./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:56:11,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:56:11,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:56:11,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:56:11,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:56:11,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:56:11,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:56:11,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:56:11,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:56:11,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:56:11,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:56:11,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:56:11,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:56:11,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:56:11,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:56:11,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:56:11,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:56:11,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:56:11,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:56:11,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:56:11,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:56:11,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:56:11,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:56:11,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:56:11,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:56:11,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:56:11,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:56:11,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:56:11,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:56:11,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:56:11,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:56:11,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:56:11,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:56:11,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:56:11,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:56:11,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:56:11,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:56:11,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:56:11,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:56:11,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:56:11,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:56:11,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:56:11,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:56:11,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:56:11,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:56:11,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:56:11,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:56:11,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:56:11,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:56:11,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:56:11,784 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:56:11,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:56:11,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:56:11,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:56:11,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:56:11,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:56:11,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:56:11,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:56:11,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:56:11,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:56:11,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:56:11,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:56:11,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:56:11,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:56:11,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:56:11,788 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 [2022-02-20 23:56:11,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:56:11,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:56:11,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:56:11,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:56:11,993 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:56:11,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2022-02-20 23:56:12,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ab6fd55/8ee0caea654745f7b4ede096be25c35c/FLAG9dfb7f451 [2022-02-20 23:56:12,551 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:56:12,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2022-02-20 23:56:12,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ab6fd55/8ee0caea654745f7b4ede096be25c35c/FLAG9dfb7f451 [2022-02-20 23:56:13,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ab6fd55/8ee0caea654745f7b4ede096be25c35c [2022-02-20 23:56:13,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:56:13,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:56:13,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:56:13,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:56:13,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:56:13,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:56:13" (1/1) ... [2022-02-20 23:56:13,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b55cc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:13, skipping insertion in model container [2022-02-20 23:56:13,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:56:13" (1/1) ... [2022-02-20 23:56:13,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:56:13,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:56:13,282 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_inl.i[455,468] [2022-02-20 23:56:13,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:56:14,010 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-02-20 23:56:14,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e16f557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:14, skipping insertion in model container [2022-02-20 23:56:14,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:56:14,011 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-20 23:56:14,013 INFO L158 Benchmark]: Toolchain (without parser) took 946.20ms. Allocated memory is still 134.2MB. Free memory was 100.3MB in the beginning and 74.5MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-02-20 23:56:14,014 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 23:56:14,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.20ms. Allocated memory is still 134.2MB. Free memory was 100.0MB in the beginning and 74.5MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-02-20 23:56:14,017 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 0.14ms. Allocated memory is still 88.1MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.20ms. Allocated memory is still 134.2MB. Free memory was 100.0MB in the beginning and 74.5MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:56:15,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:56:15,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:56:15,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:56:15,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:56:15,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:56:15,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:56:15,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:56:15,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:56:15,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:56:15,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:56:15,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:56:15,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:56:15,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:56:15,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:56:15,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:56:15,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:56:15,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:56:15,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:56:15,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:56:15,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:56:15,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:56:15,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:56:15,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:56:15,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:56:15,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:56:15,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:56:15,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:56:15,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:56:15,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:56:15,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:56:15,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:56:15,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:56:15,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:56:15,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:56:15,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:56:15,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:56:15,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:56:15,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:56:15,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:56:15,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:56:15,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-02-20 23:56:15,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:56:15,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:56:15,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:56:15,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:56:15,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:56:15,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:56:15,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:56:15,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:56:15,885 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:56:15,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:56:15,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:56:15,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:56:15,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:56:15,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:56:15,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:56:15,886 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:56:15,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:56:15,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:56:15,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:56:15,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:56:15,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:56:15,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:56:15,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:56:15,888 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 23:56:15,889 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 23:56:15,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 23:56:15,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 [2022-02-20 23:56:16,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:56:16,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:56:16,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:56:16,280 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:56:16,281 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:56:16,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2022-02-20 23:56:16,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/328bfdb56/e6ac61d8f1384f8491e637890f35aaa9/FLAG9792f17a1 [2022-02-20 23:56:16,832 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:56:16,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2022-02-20 23:56:16,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/328bfdb56/e6ac61d8f1384f8491e637890f35aaa9/FLAG9792f17a1 [2022-02-20 23:56:17,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/328bfdb56/e6ac61d8f1384f8491e637890f35aaa9 [2022-02-20 23:56:17,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:56:17,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:56:17,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:56:17,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:56:17,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:56:17,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:56:17" (1/1) ... [2022-02-20 23:56:17,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3552b579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:17, skipping insertion in model container [2022-02-20 23:56:17,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:56:17" (1/1) ... [2022-02-20 23:56:17,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:56:17,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:56:17,323 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_inl.i[455,468] [2022-02-20 23:56:17,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:56:17,979 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-02-20 23:56:17,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:56:18,002 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_inl.i[455,468] [2022-02-20 23:56:18,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:56:18,182 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:56:18,189 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_inl.i[455,468] [2022-02-20 23:56:18,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:56:18,428 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:56:18,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18 WrapperNode [2022-02-20 23:56:18,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:56:18,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:56:18,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:56:18,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:56:18,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,570 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2022-02-20 23:56:18,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:56:18,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:56:18,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:56:18,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:56:18,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:56:18,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:56:18,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:56:18,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:56:18,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (1/1) ... [2022-02-20 23:56:18,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:56:18,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:18,715 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 23:56:18,735 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 23:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-02-20 23:56:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-02-20 23:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-02-20 23:56:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-02-20 23:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-20 23:56:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-02-20 23:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 23:56:18,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 23:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-02-20 23:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 23:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-02-20 23:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-02-20 23:56:18,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-02-20 23:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-20 23:56:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-02-20 23:56:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-02-20 23:56:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-02-20 23:56:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-02-20 23:56:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-02-20 23:56:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:56:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-02-20 23:56:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-02-20 23:56:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:56:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:56:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 23:56:18,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 23:56:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-02-20 23:56:18,749 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-02-20 23:56:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-02-20 23:56:18,749 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-02-20 23:56:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:56:18,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:56:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-02-20 23:56:18,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-02-20 23:56:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-02-20 23:56:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 23:56:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-02-20 23:56:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-20 23:56:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 23:56:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 23:56:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-02-20 23:56:18,751 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-02-20 23:56:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 23:56:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:56:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 23:56:18,752 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 23:56:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-02-20 23:56:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-02-20 23:56:18,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-02-20 23:56:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-02-20 23:56:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-02-20 23:56:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 23:56:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 23:56:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-02-20 23:56:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-02-20 23:56:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-02-20 23:56:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-02-20 23:56:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-02-20 23:56:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-02-20 23:56:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-02-20 23:56:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-02-20 23:56:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-02-20 23:56:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-02-20 23:56:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-02-20 23:56:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-02-20 23:56:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-02-20 23:56:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-02-20 23:56:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-02-20 23:56:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-02-20 23:56:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-02-20 23:56:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-02-20 23:56:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-02-20 23:56:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-02-20 23:56:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-02-20 23:56:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-02-20 23:56:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-02-20 23:56:19,085 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:56:19,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:56:23,782 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:56:23,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:56:23,801 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 23:56:23,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:56:23 BoogieIcfgContainer [2022-02-20 23:56:23,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:56:23,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:56:23,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:56:23,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:56:23,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:56:17" (1/3) ... [2022-02-20 23:56:23,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137f397b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:56:23, skipping insertion in model container [2022-02-20 23:56:23,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:18" (2/3) ... [2022-02-20 23:56:23,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137f397b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:56:23, skipping insertion in model container [2022-02-20 23:56:23,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:56:23" (3/3) ... [2022-02-20 23:56:23,810 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inl.i [2022-02-20 23:56:23,814 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:56:23,815 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2022-02-20 23:56:23,847 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:56:23,853 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 23:56:23,854 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2022-02-20 23:56:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 23:56:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-02-20 23:56:23,885 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:23,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-02-20 23:56:23,886 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2022-02-20 23:56:23,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:23,890 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2022-02-20 23:56:23,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:56:23,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175423549] [2022-02-20 23:56:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:23,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:56:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:56:23,927 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 23:56:23,928 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 23:56:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:24,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-20 23:56:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:24,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:24,450 INFO L290 TraceCheckUtils]: 0: Hoare triple {669#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(44bv32, 4bv32);call #Ultimate.allocInit(31bv32, 5bv32);call #Ultimate.allocInit(4bv32, 6bv32);call write~init~intINTTYPE1(71bv8, 6bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 6bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 6bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 6bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 7bv32);call #Ultimate.allocInit(18bv32, 8bv32);call #Ultimate.allocInit(73bv32, 9bv32);call #Ultimate.allocInit(44bv32, 10bv32);call #Ultimate.allocInit(43bv32, 11bv32);call #Ultimate.allocInit(39bv32, 12bv32);call #Ultimate.allocInit(69bv32, 13bv32);call #Ultimate.allocInit(9bv32, 14bv32);call #Ultimate.allocInit(6bv32, 15bv32);call write~init~intINTTYPE1(82bv8, 15bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 15bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 15bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 15bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 16bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(78bv8, 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(83bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 19bv32);call #Ultimate.allocInit(58bv32, 20bv32);call #Ultimate.allocInit(31bv32, 21bv32);call #Ultimate.allocInit(36bv32, 22bv32);call #Ultimate.allocInit(14bv32, 23bv32);call #Ultimate.allocInit(35bv32, 24bv32);call #Ultimate.allocInit(44bv32, 25bv32);call #Ultimate.allocInit(22bv32, 26bv32);~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 := 27bv32, 0bv32;call #Ultimate.allocInit(40bv32, 27bv32);#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 := 28bv32, 0bv32;call #Ultimate.allocInit(4bv32, 28bv32);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 := 29bv32, 0bv32;call #Ultimate.allocInit(8bv32, 29bv32);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 := 30bv32, 0bv32;call #Ultimate.allocInit(8bv32, 30bv32);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 := 31bv32, 0bv32;call #Ultimate.allocInit(16bv32, 31bv32);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 := 32bv32, 0bv32;call #Ultimate.allocInit(100bv32, 32bv32);#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 := 33bv32, 0bv32;call #Ultimate.allocInit(12bv32, 33bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(14bv32, 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 := 34bv32, 0bv32;call #Ultimate.allocInit(12bv32, 34bv32);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 := 35bv32, 0bv32;call #Ultimate.allocInit(16bv32, 35bv32);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 := 36bv32, 0bv32;call #Ultimate.allocInit(64bv32, 36bv32);#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 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 37bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 37bv32);#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 := 38bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 38bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);#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);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(236bv32, 39bv32);#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 := 40bv32, 0bv32;call #Ultimate.allocInit(128bv32, 40bv32);#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 := 41bv32, 0bv32;call #Ultimate.allocInit(6bv32, 41bv32);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 := 42bv32, 0bv32;call #Ultimate.allocInit(4bv32, 42bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(40bv32, 43bv32);#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 := 44bv32, 0bv32;call #Ultimate.allocInit(8bv32, 44bv32);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 := 45bv32, 0bv32;call #Ultimate.allocInit(460bv32, 45bv32);#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 := 46bv32, 0bv32;call #Ultimate.allocInit(200bv32, 46bv32);#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; {674#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (select |#valid| (_ bv44 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:24,451 INFO L290 TraceCheckUtils]: 1: Hoare triple {674#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (select |#valid| (_ bv44 32)) (_ bv1 1)))} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret230#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~ret302#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~post298#1, init_kernel_#t~post299#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {674#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (select |#valid| (_ bv44 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:24,453 INFO L272 TraceCheckUtils]: 2: Hoare triple {674#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (select |#valid| (_ bv44 32)) (_ bv1 1)))} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {681#(and (= (select |#valid| (_ bv44 32)) (_ bv1 1)) (= |spin_lock_init_#in~lock.base| (_ bv44 32)))} is VALID [2022-02-20 23:56:24,453 INFO L290 TraceCheckUtils]: 3: Hoare triple {681#(and (= (select |#valid| (_ bv44 32)) (_ bv1 1)) (= |spin_lock_init_#in~lock.base| (_ bv44 32)))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset; {685#(and (= spin_lock_init_~lock.base (_ bv44 32)) (= (select |#valid| (_ bv44 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:24,454 INFO L290 TraceCheckUtils]: 4: Hoare triple {685#(and (= spin_lock_init_~lock.base (_ bv44 32)) (= (select |#valid| (_ bv44 32)) (_ bv1 1)))} assume !(1bv1 == #valid[~lock.base]); {670#false} is VALID [2022-02-20 23:56:24,454 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 23:56:24,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:56:24,459 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:56:24,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175423549] [2022-02-20 23:56:24,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175423549] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:24,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:24,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:56:24,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283300539] [2022-02-20 23:56:24,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:24,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:56:24,468 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:24,470 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:24,492 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:24,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:56:24,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:56:24,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:56:24,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:56:24,520 INFO L87 Difference]: Start difference. First operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:28,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-20 23:56:30,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-20 23:56:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:38,232 INFO L93 Difference]: Finished difference Result 1204 states and 1443 transitions. [2022-02-20 23:56:38,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:56:38,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:56:38,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1453 transitions. [2022-02-20 23:56:38,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1453 transitions. [2022-02-20 23:56:38,286 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 1453 transitions. [2022-02-20 23:56:39,646 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1453 edges. 1453 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:39,753 INFO L225 Difference]: With dead ends: 1204 [2022-02-20 23:56:39,753 INFO L226 Difference]: Without dead ends: 1200 [2022-02-20 23:56:39,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:56:39,757 INFO L933 BasicCegarLoop]: 759 mSDtfsCounter, 687 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:39,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [688 Valid, 2484 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1106 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-02-20 23:56:39,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2022-02-20 23:56:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 987. [2022-02-20 23:56:39,848 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:39,853 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1200 states. Second operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2022-02-20 23:56:39,858 INFO L74 IsIncluded]: Start isIncluded. First operand 1200 states. Second operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2022-02-20 23:56:39,861 INFO L87 Difference]: Start difference. First operand 1200 states. Second operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2022-02-20 23:56:39,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:39,927 INFO L93 Difference]: Finished difference Result 1200 states and 1439 transitions. [2022-02-20 23:56:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1439 transitions. [2022-02-20 23:56:39,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:39,942 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:39,947 INFO L74 IsIncluded]: Start isIncluded. First operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) Second operand 1200 states. [2022-02-20 23:56:39,949 INFO L87 Difference]: Start difference. First operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) Second operand 1200 states. [2022-02-20 23:56:40,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:40,013 INFO L93 Difference]: Finished difference Result 1200 states and 1439 transitions. [2022-02-20 23:56:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1439 transitions. [2022-02-20 23:56:40,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:40,021 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:40,021 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:40,021 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2022-02-20 23:56:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1347 transitions. [2022-02-20 23:56:40,065 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1347 transitions. Word has length 5 [2022-02-20 23:56:40,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:40,066 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1347 transitions. [2022-02-20 23:56:40,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1347 transitions. [2022-02-20 23:56:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-02-20 23:56:40,068 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:40,068 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-02-20 23:56:40,099 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 23:56:40,279 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 23:56:40,279 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2022-02-20 23:56:40,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:40,284 INFO L85 PathProgramCache]: Analyzing trace with hash 333908102, now seen corresponding path program 1 times [2022-02-20 23:56:40,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:56:40,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37739909] [2022-02-20 23:56:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:40,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:56:40,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:56:40,288 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 23:56:40,290 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 23:56:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:40,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 23:56:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:40,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:40,753 INFO L290 TraceCheckUtils]: 0: Hoare triple {5283#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(44bv32, 4bv32);call #Ultimate.allocInit(31bv32, 5bv32);call #Ultimate.allocInit(4bv32, 6bv32);call write~init~intINTTYPE1(71bv8, 6bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 6bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 6bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 6bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 7bv32);call #Ultimate.allocInit(18bv32, 8bv32);call #Ultimate.allocInit(73bv32, 9bv32);call #Ultimate.allocInit(44bv32, 10bv32);call #Ultimate.allocInit(43bv32, 11bv32);call #Ultimate.allocInit(39bv32, 12bv32);call #Ultimate.allocInit(69bv32, 13bv32);call #Ultimate.allocInit(9bv32, 14bv32);call #Ultimate.allocInit(6bv32, 15bv32);call write~init~intINTTYPE1(82bv8, 15bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 15bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 15bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 15bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 16bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(78bv8, 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(83bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 19bv32);call #Ultimate.allocInit(58bv32, 20bv32);call #Ultimate.allocInit(31bv32, 21bv32);call #Ultimate.allocInit(36bv32, 22bv32);call #Ultimate.allocInit(14bv32, 23bv32);call #Ultimate.allocInit(35bv32, 24bv32);call #Ultimate.allocInit(44bv32, 25bv32);call #Ultimate.allocInit(22bv32, 26bv32);~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 := 27bv32, 0bv32;call #Ultimate.allocInit(40bv32, 27bv32);#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 := 28bv32, 0bv32;call #Ultimate.allocInit(4bv32, 28bv32);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 := 29bv32, 0bv32;call #Ultimate.allocInit(8bv32, 29bv32);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 := 30bv32, 0bv32;call #Ultimate.allocInit(8bv32, 30bv32);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 := 31bv32, 0bv32;call #Ultimate.allocInit(16bv32, 31bv32);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 := 32bv32, 0bv32;call #Ultimate.allocInit(100bv32, 32bv32);#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 := 33bv32, 0bv32;call #Ultimate.allocInit(12bv32, 33bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(14bv32, 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 := 34bv32, 0bv32;call #Ultimate.allocInit(12bv32, 34bv32);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 := 35bv32, 0bv32;call #Ultimate.allocInit(16bv32, 35bv32);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 := 36bv32, 0bv32;call #Ultimate.allocInit(64bv32, 36bv32);#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 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 37bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 37bv32);#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 := 38bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 38bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);#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);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(236bv32, 39bv32);#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 := 40bv32, 0bv32;call #Ultimate.allocInit(128bv32, 40bv32);#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 := 41bv32, 0bv32;call #Ultimate.allocInit(6bv32, 41bv32);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 := 42bv32, 0bv32;call #Ultimate.allocInit(4bv32, 42bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(40bv32, 43bv32);#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 := 44bv32, 0bv32;call #Ultimate.allocInit(8bv32, 44bv32);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 := 45bv32, 0bv32;call #Ultimate.allocInit(460bv32, 45bv32);#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 := 46bv32, 0bv32;call #Ultimate.allocInit(200bv32, 46bv32);#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; {5288#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (_ bv8 32) (select |#length| (_ bv44 32))) (= |~#kernel_lock~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:56:40,754 INFO L290 TraceCheckUtils]: 1: Hoare triple {5288#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (_ bv8 32) (select |#length| (_ bv44 32))) (= |~#kernel_lock~0.offset| (_ bv0 32)))} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret230#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~ret302#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~post298#1, init_kernel_#t~post299#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {5288#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (_ bv8 32) (select |#length| (_ bv44 32))) (= |~#kernel_lock~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:56:40,755 INFO L272 TraceCheckUtils]: 2: Hoare triple {5288#(and (= |~#kernel_lock~0.base| (_ bv44 32)) (= (_ bv8 32) (select |#length| (_ bv44 32))) (= |~#kernel_lock~0.offset| (_ bv0 32)))} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {5295#(and (= (_ bv8 32) (select |#length| (_ bv44 32))) (= |spin_lock_init_#in~lock.base| (_ bv44 32)) (= |spin_lock_init_#in~lock.offset| (_ bv0 32)))} is VALID [2022-02-20 23:56:40,755 INFO L290 TraceCheckUtils]: 3: Hoare triple {5295#(and (= (_ bv8 32) (select |#length| (_ bv44 32))) (= |spin_lock_init_#in~lock.base| (_ bv44 32)) (= |spin_lock_init_#in~lock.offset| (_ bv0 32)))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset; {5299#(and (= (_ bv8 32) (select |#length| (_ bv44 32))) (= spin_lock_init_~lock.offset (_ bv0 32)) (= spin_lock_init_~lock.base (_ bv44 32)))} is VALID [2022-02-20 23:56:40,756 INFO L290 TraceCheckUtils]: 4: Hoare triple {5299#(and (= (_ bv8 32) (select |#length| (_ bv44 32))) (= spin_lock_init_~lock.offset (_ bv0 32)) (= spin_lock_init_~lock.base (_ bv44 32)))} assume !((~bvule32(~bvadd32(4bv32, ~lock.offset), #length[~lock.base]) && ~bvule32(~lock.offset, ~bvadd32(4bv32, ~lock.offset))) && ~bvule32(0bv32, ~lock.offset)); {5284#false} is VALID [2022-02-20 23:56:40,756 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 23:56:40,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:56:40,757 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:56:40,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37739909] [2022-02-20 23:56:40,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37739909] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:40,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:40,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:56:40,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684079308] [2022-02-20 23:56:40,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:40,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:56:40,759 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:40,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:40,783 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:40,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:56:40,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:56:40,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:56:40,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:56:40,784 INFO L87 Difference]: Start difference. First operand 987 states and 1347 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:44,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-20 23:56:46,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-20 23:56:55,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:55,436 INFO L93 Difference]: Finished difference Result 1119 states and 1439 transitions. [2022-02-20 23:56:55,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:56:55,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:56:55,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1030 transitions. [2022-02-20 23:56:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1030 transitions. [2022-02-20 23:56:55,454 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 1030 transitions. [2022-02-20 23:56:56,449 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1030 edges. 1030 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:56,484 INFO L225 Difference]: With dead ends: 1119 [2022-02-20 23:56:56,485 INFO L226 Difference]: Without dead ends: 1119 [2022-02-20 23:56:56,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:56:56,486 INFO L933 BasicCegarLoop]: 840 mSDtfsCounter, 268 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2630 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:56,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 2630 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-02-20 23:56:56,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2022-02-20 23:56:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1060. [2022-02-20 23:56:56,504 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:56,506 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1119 states. Second operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:56:56,509 INFO L74 IsIncluded]: Start isIncluded. First operand 1119 states. Second operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:56:56,511 INFO L87 Difference]: Start difference. First operand 1119 states. Second operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:56:56,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:56,551 INFO L93 Difference]: Finished difference Result 1119 states and 1439 transitions. [2022-02-20 23:56:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1439 transitions. [2022-02-20 23:56:56,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:56,554 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:56,557 INFO L74 IsIncluded]: Start isIncluded. First operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) Second operand 1119 states. [2022-02-20 23:56:56,559 INFO L87 Difference]: Start difference. First operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) Second operand 1119 states. [2022-02-20 23:56:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:56,600 INFO L93 Difference]: Finished difference Result 1119 states and 1439 transitions. [2022-02-20 23:56:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1439 transitions. [2022-02-20 23:56:56,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:56,602 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:56,603 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:56,603 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:56,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:56:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1435 transitions. [2022-02-20 23:56:56,640 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1435 transitions. Word has length 5 [2022-02-20 23:56:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:56,640 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1435 transitions. [2022-02-20 23:56:56,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1435 transitions. [2022-02-20 23:56:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 23:56:56,641 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:56,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:56,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-02-20 23:56:56,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 23:56:56,852 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2022-02-20 23:56:56,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:56,859 INFO L85 PathProgramCache]: Analyzing trace with hash -863937403, now seen corresponding path program 1 times [2022-02-20 23:56:56,860 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:56:56,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326863508] [2022-02-20 23:56:56,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:56,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:56:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:56:56,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 23:56:56,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-02-20 23:56:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:57,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 23:56:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:57,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:57,307 INFO L290 TraceCheckUtils]: 0: Hoare triple {9723#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(44bv32, 4bv32);call #Ultimate.allocInit(31bv32, 5bv32);call #Ultimate.allocInit(4bv32, 6bv32);call write~init~intINTTYPE1(71bv8, 6bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 6bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 6bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 6bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 7bv32);call #Ultimate.allocInit(18bv32, 8bv32);call #Ultimate.allocInit(73bv32, 9bv32);call #Ultimate.allocInit(44bv32, 10bv32);call #Ultimate.allocInit(43bv32, 11bv32);call #Ultimate.allocInit(39bv32, 12bv32);call #Ultimate.allocInit(69bv32, 13bv32);call #Ultimate.allocInit(9bv32, 14bv32);call #Ultimate.allocInit(6bv32, 15bv32);call write~init~intINTTYPE1(82bv8, 15bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 15bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 15bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 15bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 16bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(78bv8, 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(83bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 19bv32);call #Ultimate.allocInit(58bv32, 20bv32);call #Ultimate.allocInit(31bv32, 21bv32);call #Ultimate.allocInit(36bv32, 22bv32);call #Ultimate.allocInit(14bv32, 23bv32);call #Ultimate.allocInit(35bv32, 24bv32);call #Ultimate.allocInit(44bv32, 25bv32);call #Ultimate.allocInit(22bv32, 26bv32);~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 := 27bv32, 0bv32;call #Ultimate.allocInit(40bv32, 27bv32);#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 := 28bv32, 0bv32;call #Ultimate.allocInit(4bv32, 28bv32);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 := 29bv32, 0bv32;call #Ultimate.allocInit(8bv32, 29bv32);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 := 30bv32, 0bv32;call #Ultimate.allocInit(8bv32, 30bv32);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 := 31bv32, 0bv32;call #Ultimate.allocInit(16bv32, 31bv32);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 := 32bv32, 0bv32;call #Ultimate.allocInit(100bv32, 32bv32);#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 := 33bv32, 0bv32;call #Ultimate.allocInit(12bv32, 33bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(14bv32, 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 := 34bv32, 0bv32;call #Ultimate.allocInit(12bv32, 34bv32);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 := 35bv32, 0bv32;call #Ultimate.allocInit(16bv32, 35bv32);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 := 36bv32, 0bv32;call #Ultimate.allocInit(64bv32, 36bv32);#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 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 37bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 37bv32);#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 := 38bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 38bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);#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);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(236bv32, 39bv32);#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 := 40bv32, 0bv32;call #Ultimate.allocInit(128bv32, 40bv32);#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 := 41bv32, 0bv32;call #Ultimate.allocInit(6bv32, 41bv32);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 := 42bv32, 0bv32;call #Ultimate.allocInit(4bv32, 42bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(40bv32, 43bv32);#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 := 44bv32, 0bv32;call #Ultimate.allocInit(8bv32, 44bv32);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 := 45bv32, 0bv32;call #Ultimate.allocInit(460bv32, 45bv32);#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 := 46bv32, 0bv32;call #Ultimate.allocInit(200bv32, 46bv32);#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; {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,308 INFO L290 TraceCheckUtils]: 1: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret230#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~ret302#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~post298#1, init_kernel_#t~post299#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,308 INFO L272 TraceCheckUtils]: 2: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,309 INFO L290 TraceCheckUtils]: 3: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset; {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,310 INFO L290 TraceCheckUtils]: 4: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} SUMMARY for call write~intINTTYPE4(1bv32, ~lock.base, ~lock.offset, 4bv32); srcloc: L4154 {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,310 INFO L290 TraceCheckUtils]: 5: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} SUMMARY for call write~intINTTYPE4(0bv32, ~lock.base, ~bvadd32(4bv32, ~lock.offset), 4bv32); srcloc: L4154-1 {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,311 INFO L290 TraceCheckUtils]: 6: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} assume true; {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,311 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} #1159#return; {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,312 INFO L290 TraceCheckUtils]: 8: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} init_kernel_~i~1#1 := 0bv32; {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,312 INFO L290 TraceCheckUtils]: 9: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32); {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} is VALID [2022-02-20 23:56:57,313 INFO L290 TraceCheckUtils]: 10: Hoare triple {9728#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#valid| (_ bv43 32)) (_ bv1 1)))} assume !(1bv1 == #valid[~#shared_workqueue~0.base]); {9724#false} is VALID [2022-02-20 23:56:57,313 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 23:56:57,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:56:57,313 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:56:57,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326863508] [2022-02-20 23:56:57,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326863508] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:57,313 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:57,313 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-02-20 23:56:57,313 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018940444] [2022-02-20 23:56:57,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:57,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-20 23:56:57,314 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:57,314 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:56:57,347 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:57,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:56:57,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:56:57,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:56:57,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:56:57,348 INFO L87 Difference]: Start difference. First operand 1060 states and 1435 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:03,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:57:03,002 INFO L93 Difference]: Finished difference Result 1266 states and 1522 transitions. [2022-02-20 23:57:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:57:03,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-20 23:57:03,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:57:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:03,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1437 transitions. [2022-02-20 23:57:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1437 transitions. [2022-02-20 23:57:03,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1437 transitions. [2022-02-20 23:57:04,480 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1437 edges. 1437 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:57:04,521 INFO L225 Difference]: With dead ends: 1266 [2022-02-20 23:57:04,522 INFO L226 Difference]: Without dead ends: 1266 [2022-02-20 23:57:04,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 23:57:04,523 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 660 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-20 23:57:04,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 1290 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-20 23:57:04,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2022-02-20 23:57:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1059. [2022-02-20 23:57:04,538 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:57:04,540 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1266 states. Second operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:04,542 INFO L74 IsIncluded]: Start isIncluded. First operand 1266 states. Second operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:04,543 INFO L87 Difference]: Start difference. First operand 1266 states. Second operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:04,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:57:04,588 INFO L93 Difference]: Finished difference Result 1266 states and 1522 transitions. [2022-02-20 23:57:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1522 transitions. [2022-02-20 23:57:04,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:57:04,591 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:57:04,593 INFO L74 IsIncluded]: Start isIncluded. First operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) Second operand 1266 states. [2022-02-20 23:57:04,595 INFO L87 Difference]: Start difference. First operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) Second operand 1266 states. [2022-02-20 23:57:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:57:04,640 INFO L93 Difference]: Finished difference Result 1266 states and 1522 transitions. [2022-02-20 23:57:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1522 transitions. [2022-02-20 23:57:04,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:57:04,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:57:04,643 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:57:04,643 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:57:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1430 transitions. [2022-02-20 23:57:04,677 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1430 transitions. Word has length 11 [2022-02-20 23:57:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:57:04,678 INFO L470 AbstractCegarLoop]: Abstraction has 1059 states and 1430 transitions. [2022-02-20 23:57:04,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1430 transitions. [2022-02-20 23:57:04,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 23:57:04,678 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:57:04,679 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:57:04,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-02-20 23:57:04,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 23:57:04,907 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2022-02-20 23:57:04,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:57:04,907 INFO L85 PathProgramCache]: Analyzing trace with hash -863937402, now seen corresponding path program 1 times [2022-02-20 23:57:04,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:57:04,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274634408] [2022-02-20 23:57:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:57:04,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:57:04,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:57:04,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 23:57:04,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-02-20 23:57:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:57:05,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-20 23:57:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:57:05,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:57:05,427 INFO L290 TraceCheckUtils]: 0: Hoare triple {14615#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(44bv32, 4bv32);call #Ultimate.allocInit(31bv32, 5bv32);call #Ultimate.allocInit(4bv32, 6bv32);call write~init~intINTTYPE1(71bv8, 6bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 6bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 6bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 6bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 7bv32);call #Ultimate.allocInit(18bv32, 8bv32);call #Ultimate.allocInit(73bv32, 9bv32);call #Ultimate.allocInit(44bv32, 10bv32);call #Ultimate.allocInit(43bv32, 11bv32);call #Ultimate.allocInit(39bv32, 12bv32);call #Ultimate.allocInit(69bv32, 13bv32);call #Ultimate.allocInit(9bv32, 14bv32);call #Ultimate.allocInit(6bv32, 15bv32);call write~init~intINTTYPE1(82bv8, 15bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 15bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 15bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 15bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 16bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(78bv8, 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(83bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 19bv32);call #Ultimate.allocInit(58bv32, 20bv32);call #Ultimate.allocInit(31bv32, 21bv32);call #Ultimate.allocInit(36bv32, 22bv32);call #Ultimate.allocInit(14bv32, 23bv32);call #Ultimate.allocInit(35bv32, 24bv32);call #Ultimate.allocInit(44bv32, 25bv32);call #Ultimate.allocInit(22bv32, 26bv32);~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 := 27bv32, 0bv32;call #Ultimate.allocInit(40bv32, 27bv32);#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 := 28bv32, 0bv32;call #Ultimate.allocInit(4bv32, 28bv32);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 := 29bv32, 0bv32;call #Ultimate.allocInit(8bv32, 29bv32);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 := 30bv32, 0bv32;call #Ultimate.allocInit(8bv32, 30bv32);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 := 31bv32, 0bv32;call #Ultimate.allocInit(16bv32, 31bv32);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 := 32bv32, 0bv32;call #Ultimate.allocInit(100bv32, 32bv32);#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 := 33bv32, 0bv32;call #Ultimate.allocInit(12bv32, 33bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(14bv32, 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 := 34bv32, 0bv32;call #Ultimate.allocInit(12bv32, 34bv32);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 := 35bv32, 0bv32;call #Ultimate.allocInit(16bv32, 35bv32);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 := 36bv32, 0bv32;call #Ultimate.allocInit(64bv32, 36bv32);#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 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 37bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 37bv32);#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 := 38bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 38bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);#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);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(236bv32, 39bv32);#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 := 40bv32, 0bv32;call #Ultimate.allocInit(128bv32, 40bv32);#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 := 41bv32, 0bv32;call #Ultimate.allocInit(6bv32, 41bv32);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 := 42bv32, 0bv32;call #Ultimate.allocInit(4bv32, 42bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(40bv32, 43bv32);#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 := 44bv32, 0bv32;call #Ultimate.allocInit(8bv32, 44bv32);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 := 45bv32, 0bv32;call #Ultimate.allocInit(460bv32, 45bv32);#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 := 46bv32, 0bv32;call #Ultimate.allocInit(200bv32, 46bv32);#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; {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,428 INFO L290 TraceCheckUtils]: 1: Hoare triple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret230#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~ret302#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~post298#1, init_kernel_#t~post299#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,429 INFO L272 TraceCheckUtils]: 2: Hoare triple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,430 INFO L290 TraceCheckUtils]: 3: Hoare triple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset; {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,431 INFO L290 TraceCheckUtils]: 4: Hoare triple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} SUMMARY for call write~intINTTYPE4(1bv32, ~lock.base, ~lock.offset, 4bv32); srcloc: L4154 {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,431 INFO L290 TraceCheckUtils]: 5: Hoare triple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} SUMMARY for call write~intINTTYPE4(0bv32, ~lock.base, ~bvadd32(4bv32, ~lock.offset), 4bv32); srcloc: L4154-1 {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,432 INFO L290 TraceCheckUtils]: 6: Hoare triple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume true; {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,432 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} #1159#return; {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,433 INFO L290 TraceCheckUtils]: 8: Hoare triple {14620#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} init_kernel_~i~1#1 := 0bv32; {14645#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,433 INFO L290 TraceCheckUtils]: 9: Hoare triple {14645#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32); {14645#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:05,434 INFO L290 TraceCheckUtils]: 10: Hoare triple {14645#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume !((~bvule32(~bvadd32(4bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1))), #length[~#shared_workqueue~0.base]) && ~bvule32(~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)), ~bvadd32(4bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1))))) && ~bvule32(0bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)))); {14616#false} is VALID [2022-02-20 23:57:05,434 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 23:57:05,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:57:05,435 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:57:05,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274634408] [2022-02-20 23:57:05,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274634408] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:57:05,437 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:57:05,437 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:57:05,437 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190003833] [2022-02-20 23:57:05,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:57:05,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-20 23:57:05,438 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:57:05,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:05,477 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:57:05,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:57:05,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:57:05,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:57:05,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:57:05,479 INFO L87 Difference]: Start difference. First operand 1059 states and 1430 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:09,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-20 23:57:14,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:57:14,006 INFO L93 Difference]: Finished difference Result 1125 states and 1445 transitions. [2022-02-20 23:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:57:14,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-20 23:57:14,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:57:14,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1037 transitions. [2022-02-20 23:57:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1037 transitions. [2022-02-20 23:57:14,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 1037 transitions. [2022-02-20 23:57:15,088 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1037 edges. 1037 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:57:15,121 INFO L225 Difference]: With dead ends: 1125 [2022-02-20 23:57:15,122 INFO L226 Difference]: Without dead ends: 1125 [2022-02-20 23:57:15,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:57:15,122 INFO L933 BasicCegarLoop]: 837 mSDtfsCounter, 268 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:57:15,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 1514 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 410 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-02-20 23:57:15,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2022-02-20 23:57:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1062. [2022-02-20 23:57:15,137 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:57:15,139 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1125 states. Second operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:15,140 INFO L74 IsIncluded]: Start isIncluded. First operand 1125 states. Second operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:15,142 INFO L87 Difference]: Start difference. First operand 1125 states. Second operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:15,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:57:15,178 INFO L93 Difference]: Finished difference Result 1125 states and 1445 transitions. [2022-02-20 23:57:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1445 transitions. [2022-02-20 23:57:15,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:57:15,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:57:15,194 INFO L74 IsIncluded]: Start isIncluded. First operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) Second operand 1125 states. [2022-02-20 23:57:15,197 INFO L87 Difference]: Start difference. First operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) Second operand 1125 states. [2022-02-20 23:57:15,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:57:15,233 INFO L93 Difference]: Finished difference Result 1125 states and 1445 transitions. [2022-02-20 23:57:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1445 transitions. [2022-02-20 23:57:15,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:57:15,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:57:15,236 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:57:15,236 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:57:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-02-20 23:57:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1433 transitions. [2022-02-20 23:57:15,275 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1433 transitions. Word has length 11 [2022-02-20 23:57:15,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:57:15,276 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 1433 transitions. [2022-02-20 23:57:15,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:57:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1433 transitions. [2022-02-20 23:57:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 23:57:15,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:57:15,276 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:57:15,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-02-20 23:57:15,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 23:57:15,487 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2022-02-20 23:57:15,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:57:15,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2114831441, now seen corresponding path program 1 times [2022-02-20 23:57:15,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:57:15,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153882738] [2022-02-20 23:57:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:57:15,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:57:15,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:57:15,490 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 23:57:15,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-02-20 23:57:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:57:15,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 23:57:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:57:15,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:57:16,077 INFO L290 TraceCheckUtils]: 0: Hoare triple {19088#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(44bv32, 4bv32);call #Ultimate.allocInit(31bv32, 5bv32);call #Ultimate.allocInit(4bv32, 6bv32);call write~init~intINTTYPE1(71bv8, 6bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 6bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 6bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 6bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 7bv32);call #Ultimate.allocInit(18bv32, 8bv32);call #Ultimate.allocInit(73bv32, 9bv32);call #Ultimate.allocInit(44bv32, 10bv32);call #Ultimate.allocInit(43bv32, 11bv32);call #Ultimate.allocInit(39bv32, 12bv32);call #Ultimate.allocInit(69bv32, 13bv32);call #Ultimate.allocInit(9bv32, 14bv32);call #Ultimate.allocInit(6bv32, 15bv32);call write~init~intINTTYPE1(82bv8, 15bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 15bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 15bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 15bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 16bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(78bv8, 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(83bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 19bv32);call #Ultimate.allocInit(58bv32, 20bv32);call #Ultimate.allocInit(31bv32, 21bv32);call #Ultimate.allocInit(36bv32, 22bv32);call #Ultimate.allocInit(14bv32, 23bv32);call #Ultimate.allocInit(35bv32, 24bv32);call #Ultimate.allocInit(44bv32, 25bv32);call #Ultimate.allocInit(22bv32, 26bv32);~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 := 27bv32, 0bv32;call #Ultimate.allocInit(40bv32, 27bv32);#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 := 28bv32, 0bv32;call #Ultimate.allocInit(4bv32, 28bv32);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 := 29bv32, 0bv32;call #Ultimate.allocInit(8bv32, 29bv32);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 := 30bv32, 0bv32;call #Ultimate.allocInit(8bv32, 30bv32);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 := 31bv32, 0bv32;call #Ultimate.allocInit(16bv32, 31bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_timer~0.base, ~bvadd32(4bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~bvadd32(8bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(12bv32, ~#zf_timer~0.offset), 2bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(14bv32, ~#zf_timer~0.offset), 2bv32);~next_heartbeat~0 := 0bv32;~#zf_fops~0.base, ~#zf_fops~0.offset := 32bv32, 0bv32;call #Ultimate.allocInit(100bv32, 32bv32);#memory_$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$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, ~bvadd32(48bv32, ~#zf_fops~0.offset), 4bv32);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 33bv32, 0bv32;call #Ultimate.allocInit(12bv32, 33bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(14bv32, 0bv32, ~#zf_miscdev~0.base, ~bvadd32(4bv32, ~#zf_miscdev~0.offset), 4bv32);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, ~bvadd32(8bv32, ~#zf_miscdev~0.offset), 4bv32);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 34bv32, 0bv32;call #Ultimate.allocInit(12bv32, 34bv32);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_notifier~0.base, ~bvadd32(4bv32, ~#zf_notifier~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_notifier~0.base, ~bvadd32(8bv32, ~#zf_notifier~0.offset), 4bv32);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 35bv32, 0bv32;call #Ultimate.allocInit(16bv32, 35bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~bvadd32(4bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(8bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(12bv32, ~#fixed_cdev~0.offset), 4bv32);~fixed_cdev_used~0 := 0bv32;~number_cdev_registered~0 := 0bv16;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 36bv32, 0bv32;call #Ultimate.allocInit(64bv32, 36bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$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$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 37bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 37bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$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$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 38bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 38bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);#memory_$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$.offset, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(236bv32, 39bv32);#memory_$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$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 40bv32, 0bv32;call #Ultimate.allocInit(128bv32, 40bv32);#memory_$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$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0bv16;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 41bv32, 0bv32;call #Ultimate.allocInit(6bv32, 41bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4bv32);call write~init~intINTTYPE2(0bv16, ~#tasklet_registered~0.base, ~bvadd32(4bv32, ~#tasklet_registered~0.offset), 2bv32);~number_timer_registered~0 := 0bv16;~#timer_registered~0.base, ~#timer_registered~0.offset := 42bv32, 0bv32;call #Ultimate.allocInit(4bv32, 42bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(40bv32, 43bv32);#memory_$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$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 44bv32, 0bv32;call #Ultimate.allocInit(8bv32, 44bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~bvadd32(4bv32, ~#kernel_lock~0.offset), 4bv32);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 45bv32, 0bv32;call #Ultimate.allocInit(460bv32, 45bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);#memory_$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$.offset, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0bv32;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0bv32, 0bv32;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 46bv32, 0bv32;call #Ultimate.allocInit(200bv32, 46bv32);#memory_$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; {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,078 INFO L290 TraceCheckUtils]: 1: Hoare triple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret230#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~ret302#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~post298#1, init_kernel_#t~post299#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,079 INFO L272 TraceCheckUtils]: 2: Hoare triple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,079 INFO L290 TraceCheckUtils]: 3: Hoare triple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset; {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,080 INFO L290 TraceCheckUtils]: 4: Hoare triple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} SUMMARY for call write~intINTTYPE4(1bv32, ~lock.base, ~lock.offset, 4bv32); srcloc: L4154 {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,081 INFO L290 TraceCheckUtils]: 5: Hoare triple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} SUMMARY for call write~intINTTYPE4(0bv32, ~lock.base, ~bvadd32(4bv32, ~lock.offset), 4bv32); srcloc: L4154-1 {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,081 INFO L290 TraceCheckUtils]: 6: Hoare triple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume true; {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,082 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} #1159#return; {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,082 INFO L290 TraceCheckUtils]: 8: Hoare triple {19093#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} init_kernel_~i~1#1 := 0bv32; {19118#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,083 INFO L290 TraceCheckUtils]: 9: Hoare triple {19118#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32); {19118#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,083 INFO L290 TraceCheckUtils]: 10: Hoare triple {19118#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} SUMMARY for call write~$Pointer$(0bv32, 0bv32, ~#shared_workqueue~0.base, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)), 4bv32); srcloc: L2669 {19118#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,084 INFO L290 TraceCheckUtils]: 11: Hoare triple {19118#(and (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32)) (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} init_kernel_#t~post298#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := ~bvadd32(1bv32, init_kernel_#t~post298#1);havoc init_kernel_#t~post298#1; {19128#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,085 INFO L290 TraceCheckUtils]: 12: Hoare triple {19128#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32); {19128#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} is VALID [2022-02-20 23:57:16,085 INFO L290 TraceCheckUtils]: 13: Hoare triple {19128#(and (= |~#shared_workqueue~0.base| (_ bv43 32)) (= (select |#length| (_ bv43 32)) (_ bv40 32)) (= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (= |~#shared_workqueue~0.offset| (_ bv0 32)))} assume !((~bvule32(~bvadd32(4bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1))), #length[~#shared_workqueue~0.base]) && ~bvule32(~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)), ~bvadd32(4bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1))))) && ~bvule32(0bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)))); {19089#false} is VALID [2022-02-20 23:57:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:57:16,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:57:16,407 INFO L290 TraceCheckUtils]: 13: Hoare triple {19135#(and (bvule (bvadd (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} assume !((~bvule32(~bvadd32(4bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1))), #length[~#shared_workqueue~0.base]) && ~bvule32(~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)), ~bvadd32(4bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1))))) && ~bvule32(0bv32, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)))); {19089#false} is VALID [2022-02-20 23:57:16,408 INFO L290 TraceCheckUtils]: 12: Hoare triple {19135#(and (bvule (bvadd (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32); {19135#(and (bvule (bvadd (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,900 INFO L290 TraceCheckUtils]: 11: Hoare triple {19142#(and (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} init_kernel_#t~post298#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := ~bvadd32(1bv32, init_kernel_#t~post298#1);havoc init_kernel_#t~post298#1; {19135#(and (bvule (bvadd (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,901 INFO L290 TraceCheckUtils]: 10: Hoare triple {19142#(and (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} SUMMARY for call write~$Pointer$(0bv32, 0bv32, ~#shared_workqueue~0.base, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)), 4bv32); srcloc: L2669 {19142#(and (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,902 INFO L290 TraceCheckUtils]: 9: Hoare triple {19142#(and (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32); {19142#(and (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,903 INFO L290 TraceCheckUtils]: 8: Hoare triple {19152#(and (bvule (bvadd (_ bv4 32) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} init_kernel_~i~1#1 := 0bv32; {19142#(and (bvule (bvadd (_ bv4 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) (bvmul (_ bv4 32) |ULTIMATE.start_init_kernel_~i~1#1|) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,903 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {19088#true} {19152#(and (bvule (bvadd (_ bv4 32) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} #1159#return; {19152#(and (bvule (bvadd (_ bv4 32) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,904 INFO L290 TraceCheckUtils]: 6: Hoare triple {19088#true} assume true; {19088#true} is VALID [2022-02-20 23:57:16,904 INFO L290 TraceCheckUtils]: 5: Hoare triple {19088#true} SUMMARY for call write~intINTTYPE4(0bv32, ~lock.base, ~bvadd32(4bv32, ~lock.offset), 4bv32); srcloc: L4154-1 {19088#true} is VALID [2022-02-20 23:57:16,904 INFO L290 TraceCheckUtils]: 4: Hoare triple {19088#true} SUMMARY for call write~intINTTYPE4(1bv32, ~lock.base, ~lock.offset, 4bv32); srcloc: L4154 {19088#true} is VALID [2022-02-20 23:57:16,904 INFO L290 TraceCheckUtils]: 3: Hoare triple {19088#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset; {19088#true} is VALID [2022-02-20 23:57:16,904 INFO L272 TraceCheckUtils]: 2: Hoare triple {19152#(and (bvule (bvadd (_ bv4 32) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {19088#true} is VALID [2022-02-20 23:57:16,918 INFO L290 TraceCheckUtils]: 1: Hoare triple {19152#(and (bvule (bvadd (_ bv4 32) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret230#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~ret302#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~post298#1, init_kernel_#t~post299#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {19152#(and (bvule (bvadd (_ bv4 32) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,939 INFO L290 TraceCheckUtils]: 0: Hoare triple {19088#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(44bv32, 4bv32);call #Ultimate.allocInit(31bv32, 5bv32);call #Ultimate.allocInit(4bv32, 6bv32);call write~init~intINTTYPE1(71bv8, 6bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 6bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 6bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 6bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 7bv32);call #Ultimate.allocInit(18bv32, 8bv32);call #Ultimate.allocInit(73bv32, 9bv32);call #Ultimate.allocInit(44bv32, 10bv32);call #Ultimate.allocInit(43bv32, 11bv32);call #Ultimate.allocInit(39bv32, 12bv32);call #Ultimate.allocInit(69bv32, 13bv32);call #Ultimate.allocInit(9bv32, 14bv32);call #Ultimate.allocInit(6bv32, 15bv32);call write~init~intINTTYPE1(82bv8, 15bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 15bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 15bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 15bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 15bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 16bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(78bv8, 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(83bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 19bv32);call #Ultimate.allocInit(58bv32, 20bv32);call #Ultimate.allocInit(31bv32, 21bv32);call #Ultimate.allocInit(36bv32, 22bv32);call #Ultimate.allocInit(14bv32, 23bv32);call #Ultimate.allocInit(35bv32, 24bv32);call #Ultimate.allocInit(44bv32, 25bv32);call #Ultimate.allocInit(22bv32, 26bv32);~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 := 27bv32, 0bv32;call #Ultimate.allocInit(40bv32, 27bv32);#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 := 28bv32, 0bv32;call #Ultimate.allocInit(4bv32, 28bv32);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 := 29bv32, 0bv32;call #Ultimate.allocInit(8bv32, 29bv32);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 := 30bv32, 0bv32;call #Ultimate.allocInit(8bv32, 30bv32);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 := 31bv32, 0bv32;call #Ultimate.allocInit(16bv32, 31bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_timer~0.base, ~bvadd32(4bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~bvadd32(8bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(12bv32, ~#zf_timer~0.offset), 2bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(14bv32, ~#zf_timer~0.offset), 2bv32);~next_heartbeat~0 := 0bv32;~#zf_fops~0.base, ~#zf_fops~0.offset := 32bv32, 0bv32;call #Ultimate.allocInit(100bv32, 32bv32);#memory_$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$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, ~bvadd32(48bv32, ~#zf_fops~0.offset), 4bv32);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 33bv32, 0bv32;call #Ultimate.allocInit(12bv32, 33bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(14bv32, 0bv32, ~#zf_miscdev~0.base, ~bvadd32(4bv32, ~#zf_miscdev~0.offset), 4bv32);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, ~bvadd32(8bv32, ~#zf_miscdev~0.offset), 4bv32);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 34bv32, 0bv32;call #Ultimate.allocInit(12bv32, 34bv32);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_notifier~0.base, ~bvadd32(4bv32, ~#zf_notifier~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_notifier~0.base, ~bvadd32(8bv32, ~#zf_notifier~0.offset), 4bv32);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 35bv32, 0bv32;call #Ultimate.allocInit(16bv32, 35bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~bvadd32(4bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(8bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(12bv32, ~#fixed_cdev~0.offset), 4bv32);~fixed_cdev_used~0 := 0bv32;~number_cdev_registered~0 := 0bv16;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 36bv32, 0bv32;call #Ultimate.allocInit(64bv32, 36bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$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$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 37bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 37bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$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$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 38bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 38bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);#memory_$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$.offset, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(236bv32, 39bv32);#memory_$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$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 40bv32, 0bv32;call #Ultimate.allocInit(128bv32, 40bv32);#memory_$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$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0bv16;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 41bv32, 0bv32;call #Ultimate.allocInit(6bv32, 41bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4bv32);call write~init~intINTTYPE2(0bv16, ~#tasklet_registered~0.base, ~bvadd32(4bv32, ~#tasklet_registered~0.offset), 2bv32);~number_timer_registered~0 := 0bv16;~#timer_registered~0.base, ~#timer_registered~0.offset := 42bv32, 0bv32;call #Ultimate.allocInit(4bv32, 42bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(40bv32, 43bv32);#memory_$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$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 44bv32, 0bv32;call #Ultimate.allocInit(8bv32, 44bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~bvadd32(4bv32, ~#kernel_lock~0.offset), 4bv32);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 45bv32, 0bv32;call #Ultimate.allocInit(460bv32, 45bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);#memory_$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$.offset, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0bv32;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0bv32, 0bv32;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 46bv32, 0bv32;call #Ultimate.allocInit(200bv32, 46bv32);#memory_$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; {19152#(and (bvule (bvadd (_ bv4 32) |~#shared_workqueue~0.offset|) (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|)) (bvule (bvadd (_ bv8 32) |~#shared_workqueue~0.offset|) (select |#length| |~#shared_workqueue~0.base|)))} is VALID [2022-02-20 23:57:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:57:16,940 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:57:16,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153882738] [2022-02-20 23:57:16,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153882738] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:57:16,940 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 23:57:16,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2022-02-20 23:57:16,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131187279] [2022-02-20 23:57:16,941 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 23:57:16,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-02-20 23:57:16,941 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:57:16,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:57:17,467 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:57:17,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:57:17,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:57:17,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:57:17,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:57:17,468 INFO L87 Difference]: Start difference. First operand 1062 states and 1433 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:57:21,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []