./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF --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 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:54:11,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:54:11,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:54:11,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:54:11,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:54:11,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:54:11,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:54:11,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:54:11,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:54:11,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:54:11,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:54:11,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:54:11,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:54:11,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:54:11,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:54:11,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:54:11,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:54:11,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:54:11,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:54:11,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:54:11,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:54:11,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:54:11,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:54:11,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:54:11,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:54:11,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:54:11,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:54:11,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:54:11,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:54:11,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:54:11,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:54:11,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:54:11,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:54:11,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:54:11,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:54:11,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:54:11,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:54:11,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:54:11,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:54:11,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:54:11,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:54:11,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-20 06:54:11,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:54:11,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:54:11,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:54:11,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:54:11,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:54:11,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:54:11,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:54:11,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:54:11,998 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:54:11,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:54:11,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:54:12,000 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:54:12,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:54:12,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:54:12,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:54:12,001 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 06:54:12,001 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 06:54:12,001 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 06:54:12,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:54:12,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:54:12,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:54:12,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:54:12,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:54:12,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:54:12,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:54:12,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:54:12,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:54:12,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:54:12,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:54:12,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:54:12,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:54:12,006 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf [2021-11-20 06:54:12,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:54:12,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:54:12,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:54:12,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:54:12,305 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:54:12,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2021-11-20 06:54:12,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/7ba6ba9cc/65f4e3a3835b4631aa06dc88c0e7378f/FLAG4f042d40c [2021-11-20 06:54:13,082 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:54:13,086 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2021-11-20 06:54:13,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/7ba6ba9cc/65f4e3a3835b4631aa06dc88c0e7378f/FLAG4f042d40c [2021-11-20 06:54:13,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/7ba6ba9cc/65f4e3a3835b4631aa06dc88c0e7378f [2021-11-20 06:54:13,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:54:13,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:54:13,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:13,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:54:13,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:54:13,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:13" (1/1) ... [2021-11-20 06:54:13,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4819e241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:13, skipping insertion in model container [2021-11-20 06:54:13,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:13" (1/1) ... [2021-11-20 06:54:13,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:54:13,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:54:13,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2021-11-20 06:54:14,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:14,988 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) [2021-11-20 06:54:14,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3be91097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:14, skipping insertion in model container [2021-11-20 06:54:14,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:14,989 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 06:54:14,992 INFO L158 Benchmark]: Toolchain (without parser) took 1783.77ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 68.4MB in the beginning and 84.5MB in the end (delta: -16.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-20 06:54:14,995 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:54:14,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1781.02ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 68.2MB in the beginning and 84.5MB in the end (delta: -16.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-20 06:54:14,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1781.02ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 68.2MB in the beginning and 84.5MB in the end (delta: -16.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2978]: 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF --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 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:54:17,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:54:17,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:54:17,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:54:17,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:54:17,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:54:17,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:54:17,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:54:17,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:54:17,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:54:17,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:54:17,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:54:17,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:54:17,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:54:17,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:54:17,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:54:17,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:54:17,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:54:17,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:54:17,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:54:17,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:54:17,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:54:17,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:54:17,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:54:17,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:54:17,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:54:17,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:54:17,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:54:17,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:54:17,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:54:17,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:54:17,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:54:17,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:54:17,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:54:17,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:54:17,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:54:17,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:54:17,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:54:17,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:54:17,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:54:17,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:54:17,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-20 06:54:17,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:54:17,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:54:17,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:54:17,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:54:17,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:54:17,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:54:17,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:54:17,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:54:17,462 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:54:17,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:54:17,463 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:54:17,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:54:17,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:54:17,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:54:17,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:54:17,464 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 06:54:17,464 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 06:54:17,465 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 06:54:17,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:54:17,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:54:17,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:54:17,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:54:17,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:54:17,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:54:17,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:54:17,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:54:17,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:54:17,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:54:17,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:54:17,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:54:17,468 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:54:17,468 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:54:17,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:54:17,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:54:17,468 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf [2021-11-20 06:54:17,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:54:17,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:54:17,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:54:17,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:54:17,876 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:54:17,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2021-11-20 06:54:17,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/cc45abb0a/9ee69acbba5a4924857d40d9a1e77596/FLAGec100d5ed [2021-11-20 06:54:18,795 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:54:18,796 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2021-11-20 06:54:18,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/cc45abb0a/9ee69acbba5a4924857d40d9a1e77596/FLAGec100d5ed [2021-11-20 06:54:18,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/data/cc45abb0a/9ee69acbba5a4924857d40d9a1e77596 [2021-11-20 06:54:18,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:54:18,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:54:18,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:18,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:54:18,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:54:18,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:18" (1/1) ... [2021-11-20 06:54:18,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c25387e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:18, skipping insertion in model container [2021-11-20 06:54:18,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:18" (1/1) ... [2021-11-20 06:54:18,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:54:18,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:54:19,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2021-11-20 06:54:20,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:20,226 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 06:54:20,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:54:20,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2021-11-20 06:54:20,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:20,475 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:54:20,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2021-11-20 06:54:20,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:20,940 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:54:20,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20 WrapperNode [2021-11-20 06:54:20,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:20,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:54:20,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:54:20,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:54:20,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,150 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2021-11-20 06:54:21,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:54:21,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:54:21,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:54:21,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:54:21,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:54:21,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:54:21,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:54:21,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:54:21,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (1/1) ... [2021-11-20 06:54:21,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:54:21,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:21,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:54:21,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:54:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-20 06:54:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-20 06:54:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-20 06:54:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-11-20 06:54:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 06:54:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-20 06:54:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:54:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:54:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:54:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-20 06:54:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:54:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 06:54:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:54:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:54:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 06:54:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-20 06:54:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-20 06:54:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-20 06:54:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-20 06:54:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-20 06:54:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:54:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-20 06:54:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-20 06:54:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:54:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:54:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:54:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:54:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-20 06:54:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-20 06:54:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-20 06:54:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-20 06:54:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:54:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:54:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-20 06:54:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-20 06:54:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 06:54:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:54:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-20 06:54:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:54:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:54:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:54:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-20 06:54:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-20 06:54:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:54:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:54:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 06:54:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 06:54:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 06:54:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-20 06:54:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-20 06:54:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 06:54:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-20 06:54:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:54:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:54:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-20 06:54:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-20 06:54:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-20 06:54:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-20 06:54:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 06:54:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 06:54:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-20 06:54:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-20 06:54:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-20 06:54:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-20 06:54:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-20 06:54:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-20 06:54:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-20 06:54:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-20 06:54:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-20 06:54:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-20 06:54:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-20 06:54:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-20 06:54:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-20 06:54:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:54:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:54:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-20 06:54:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-20 06:54:21,808 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:54:21,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:54:27,567 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:54:27,590 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:54:27,591 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 06:54:27,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:27 BoogieIcfgContainer [2021-11-20 06:54:27,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:54:27,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:54:27,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:54:27,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:54:27,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:54:18" (1/3) ... [2021-11-20 06:54:27,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab07a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:54:27, skipping insertion in model container [2021-11-20 06:54:27,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:20" (2/3) ... [2021-11-20 06:54:27,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab07a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:54:27, skipping insertion in model container [2021-11-20 06:54:27,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:27" (3/3) ... [2021-11-20 06:54:27,612 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inl_p.i [2021-11-20 06:54:27,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:54:27,618 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-11-20 06:54:27,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:54:27,680 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 [2021-11-20 06:54:27,680 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-11-20 06:54:27,716 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) [2021-11-20 06:54:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-20 06:54:27,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:27,721 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-20 06:54:27,722 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)] === [2021-11-20 06:54:27,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:27,725 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-11-20 06:54:27,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:54:27,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856508877] [2021-11-20 06:54:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:27,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:54:27,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:54:27,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:54:27,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:54:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:28,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:54:28,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:28,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:28,357 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:54:28,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856508877] [2021-11-20 06:54:28,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856508877] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:28,358 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:28,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-11-20 06:54:28,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634618679] [2021-11-20 06:54:28,360 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:28,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:54:28,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:54:28,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:54:28,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:54:28,408 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 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:54:30,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:32,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:34,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:38,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:38,526 INFO L93 Difference]: Finished difference Result 1203 states and 1442 transitions. [2021-11-20 06:54:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:54:38,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-20 06:54:38,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:38,550 INFO L225 Difference]: With dead ends: 1203 [2021-11-20 06:54:38,550 INFO L226 Difference]: Without dead ends: 1199 [2021-11-20 06:54:38,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:54:38,555 INFO L933 BasicCegarLoop]: 758 mSDtfsCounter, 695 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 3608 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:38,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 3608 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1677 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2021-11-20 06:54:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2021-11-20 06:54:38,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 986. [2021-11-20 06:54:38,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 594 states have (on average 1.8013468013468013) internal successors, (1070), 813 states have internal predecessors, (1070), 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) [2021-11-20 06:54:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1346 transitions. [2021-11-20 06:54:38,691 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1346 transitions. Word has length 5 [2021-11-20 06:54:38,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:38,692 INFO L470 AbstractCegarLoop]: Abstraction has 986 states and 1346 transitions. [2021-11-20 06:54:38,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:54:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1346 transitions. [2021-11-20 06:54:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-20 06:54:38,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:38,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-20 06:54:38,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:38,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:54:38,907 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)] === [2021-11-20 06:54:38,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:38,909 INFO L85 PathProgramCache]: Analyzing trace with hash 333908102, now seen corresponding path program 1 times [2021-11-20 06:54:38,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:54:38,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503717053] [2021-11-20 06:54:38,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:38,910 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:54:38,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:54:38,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:54:38,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:54:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:39,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:54:39,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:39,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:39,561 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:54:39,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503717053] [2021-11-20 06:54:39,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503717053] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:39,562 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:39,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-11-20 06:54:39,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268580113] [2021-11-20 06:54:39,562 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:39,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:54:39,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:54:39,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:54:39,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:54:39,564 INFO L87 Difference]: Start difference. First operand 986 states and 1346 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:54:41,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:43,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:45,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:52,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:52,101 INFO L93 Difference]: Finished difference Result 1343 states and 1686 transitions. [2021-11-20 06:54:52,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:54:52,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-20 06:54:52,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:52,112 INFO L225 Difference]: With dead ends: 1343 [2021-11-20 06:54:52,112 INFO L226 Difference]: Without dead ends: 1343 [2021-11-20 06:54:52,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:54:52,114 INFO L933 BasicCegarLoop]: 860 mSDtfsCounter, 764 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 63 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 3376 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:52,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 3376 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1462 Invalid, 3 Unknown, 0 Unchecked, 12.3s Time] [2021-11-20 06:54:52,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2021-11-20 06:54:52,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1209. [2021-11-20 06:54:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 741 states have (on average 1.7543859649122806) internal successors, (1300), 962 states have internal predecessors, (1300), 184 states have call successors, (184), 80 states have call predecessors, (184), 80 states have return successors, (184), 177 states have call predecessors, (184), 184 states have call successors, (184) [2021-11-20 06:54:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1668 transitions. [2021-11-20 06:54:52,175 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1668 transitions. Word has length 5 [2021-11-20 06:54:52,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:52,176 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1668 transitions. [2021-11-20 06:54:52,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:54:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1668 transitions. [2021-11-20 06:54:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 06:54:52,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:52,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:54:52,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-20 06:54:52,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:54:52,386 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)] === [2021-11-20 06:54:52,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:52,386 INFO L85 PathProgramCache]: Analyzing trace with hash -863937403, now seen corresponding path program 1 times [2021-11-20 06:54:52,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:54:52,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752775176] [2021-11-20 06:54:52,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:52,387 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:54:52,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:54:52,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:54:52,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 06:54:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:52,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:54:52,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:52,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:52,875 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:54:52,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752775176] [2021-11-20 06:54:52,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752775176] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:52,876 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:52,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 2] imperfect sequences [] total 3 [2021-11-20 06:54:52,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633271143] [2021-11-20 06:54:52,876 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:52,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:54:52,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:54:52,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:54:52,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:54:52,879 INFO L87 Difference]: Start difference. First operand 1209 states and 1668 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-11-20 06:54:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:54:55,508 INFO L93 Difference]: Finished difference Result 2047 states and 2548 transitions. [2021-11-20 06:54:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:54:55,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 11 [2021-11-20 06:54:55,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:54:55,521 INFO L225 Difference]: With dead ends: 2047 [2021-11-20 06:54:55,521 INFO L226 Difference]: Without dead ends: 2047 [2021-11-20 06:54:55,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:54:55,523 INFO L933 BasicCegarLoop]: 832 mSDtfsCounter, 1286 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:54:55,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1286 Valid, 2248 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-20 06:54:55,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-11-20 06:54:55,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1617. [2021-11-20 06:54:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1036 states have (on average 1.750965250965251) internal successors, (1814), 1266 states have internal predecessors, (1814), 267 states have call successors, (267), 114 states have call predecessors, (267), 114 states have return successors, (267), 252 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 06:54:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2348 transitions. [2021-11-20 06:54:55,614 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2348 transitions. Word has length 11 [2021-11-20 06:54:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:54:55,615 INFO L470 AbstractCegarLoop]: Abstraction has 1617 states and 2348 transitions. [2021-11-20 06:54:55,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-11-20 06:54:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2348 transitions. [2021-11-20 06:54:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 06:54:55,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:54:55,616 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:54:55,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:54:55,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:54:55,830 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)] === [2021-11-20 06:54:55,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:54:55,831 INFO L85 PathProgramCache]: Analyzing trace with hash -863937402, now seen corresponding path program 1 times [2021-11-20 06:54:55,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:54:55,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286398511] [2021-11-20 06:54:55,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:54:55,832 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:54:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:54:55,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:54:55,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 06:54:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:54:56,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:54:56,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:54:56,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:56,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:54:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:54:56,482 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:54:56,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286398511] [2021-11-20 06:54:56,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286398511] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:54:56,483 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:54:56,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 5 [2021-11-20 06:54:56,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890643801] [2021-11-20 06:54:56,483 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:54:56,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:54:56,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:54:56,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:54:56,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:54:56,484 INFO L87 Difference]: Start difference. First operand 1617 states and 2348 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-11-20 06:54:58,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:00,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:07,457 INFO L93 Difference]: Finished difference Result 1889 states and 2538 transitions. [2021-11-20 06:55:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:55:07,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 11 [2021-11-20 06:55:07,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:07,470 INFO L225 Difference]: With dead ends: 1889 [2021-11-20 06:55:07,470 INFO L226 Difference]: Without dead ends: 1889 [2021-11-20 06:55:07,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:55:07,472 INFO L933 BasicCegarLoop]: 852 mSDtfsCounter, 831 mSDsluCounter, 2444 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 40 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:07,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [831 Valid, 3296 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1424 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2021-11-20 06:55:07,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2021-11-20 06:55:07,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1623. [2021-11-20 06:55:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1042 states have (on average 1.7476007677543186) internal successors, (1821), 1272 states have internal predecessors, (1821), 267 states have call successors, (267), 114 states have call predecessors, (267), 114 states have return successors, (267), 252 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 06:55:07,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2355 transitions. [2021-11-20 06:55:07,529 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2355 transitions. Word has length 11 [2021-11-20 06:55:07,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:07,529 INFO L470 AbstractCegarLoop]: Abstraction has 1623 states and 2355 transitions. [2021-11-20 06:55:07,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-11-20 06:55:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2355 transitions. [2021-11-20 06:55:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-20 06:55:07,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:07,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:07,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:55:07,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:55:07,745 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:55:07,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:07,745 INFO L85 PathProgramCache]: Analyzing trace with hash -833526471, now seen corresponding path program 1 times [2021-11-20 06:55:07,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:55:07,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046874612] [2021-11-20 06:55:07,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:07,746 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:55:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:55:07,748 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:55:07,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:55:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:55:08,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:55:08,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:55:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:08,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:55:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:08,153 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:55:08,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046874612] [2021-11-20 06:55:08,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046874612] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:55:08,154 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:55:08,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-20 06:55:08,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901579372] [2021-11-20 06:55:08,154 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:55:08,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:55:08,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:55:08,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:55:08,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:55:08,155 INFO L87 Difference]: Start difference. First operand 1623 states and 2355 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-11-20 06:55:08,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:08,402 INFO L93 Difference]: Finished difference Result 1629 states and 2359 transitions. [2021-11-20 06:55:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:55:08,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 16 [2021-11-20 06:55:08,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:08,414 INFO L225 Difference]: With dead ends: 1629 [2021-11-20 06:55:08,414 INFO L226 Difference]: Without dead ends: 1629 [2021-11-20 06:55:08,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:55:08,416 INFO L933 BasicCegarLoop]: 781 mSDtfsCounter, 854 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 2180 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:08,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [886 Valid, 2180 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:55:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2021-11-20 06:55:08,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1628. [2021-11-20 06:55:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1047 states have (on average 1.7430754536771729) internal successors, (1825), 1277 states have internal predecessors, (1825), 267 states have call successors, (267), 114 states have call predecessors, (267), 114 states have return successors, (267), 252 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 06:55:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2359 transitions. [2021-11-20 06:55:08,468 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2359 transitions. Word has length 16 [2021-11-20 06:55:08,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:08,469 INFO L470 AbstractCegarLoop]: Abstraction has 1628 states and 2359 transitions. [2021-11-20 06:55:08,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-11-20 06:55:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2359 transitions. [2021-11-20 06:55:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 06:55:08,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:08,470 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:08,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:55:08,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:55:08,690 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:55:08,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:08,691 INFO L85 PathProgramCache]: Analyzing trace with hash -67919898, now seen corresponding path program 1 times [2021-11-20 06:55:08,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:55:08,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657005884] [2021-11-20 06:55:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:08,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:55:08,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:55:08,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:55:08,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:55:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:55:08,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:55:08,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:55:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:09,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:55:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:10,005 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:55:10,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657005884] [2021-11-20 06:55:10,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657005884] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:55:10,006 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:55:10,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2021-11-20 06:55:10,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801581845] [2021-11-20 06:55:10,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:55:10,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:55:10,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:55:10,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:55:10,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:55:10,007 INFO L87 Difference]: Start difference. First operand 1628 states and 2359 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 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) [2021-11-20 06:55:12,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:14,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:16,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:18,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:27,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:27,304 INFO L93 Difference]: Finished difference Result 2018 states and 2788 transitions. [2021-11-20 06:55:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:55:27,305 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 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 17 [2021-11-20 06:55:27,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:27,316 INFO L225 Difference]: With dead ends: 2018 [2021-11-20 06:55:27,316 INFO L226 Difference]: Without dead ends: 2018 [2021-11-20 06:55:27,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:55:27,318 INFO L933 BasicCegarLoop]: 836 mSDtfsCounter, 1557 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 194 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 3429 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:27,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1569 Valid, 3429 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1655 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2021-11-20 06:55:27,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2021-11-20 06:55:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1753. [2021-11-20 06:55:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1132 states have (on average 1.734982332155477) internal successors, (1964), 1365 states have internal predecessors, (1964), 293 states have call successors, (293), 128 states have call predecessors, (293), 128 states have return successors, (293), 276 states have call predecessors, (293), 293 states have call successors, (293) [2021-11-20 06:55:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2550 transitions. [2021-11-20 06:55:27,374 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2550 transitions. Word has length 17 [2021-11-20 06:55:27,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:27,374 INFO L470 AbstractCegarLoop]: Abstraction has 1753 states and 2550 transitions. [2021-11-20 06:55:27,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 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) [2021-11-20 06:55:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2550 transitions. [2021-11-20 06:55:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 06:55:27,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:27,376 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:27,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:55:27,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:55:27,590 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:55:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:27,590 INFO L85 PathProgramCache]: Analyzing trace with hash -307004656, now seen corresponding path program 2 times [2021-11-20 06:55:27,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:55:27,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44905461] [2021-11-20 06:55:27,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:55:27,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:55:27,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:55:27,594 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:55:27,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:55:27,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:55:27,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:55:27,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:55:27,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:55:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-20 06:55:28,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:55:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-20 06:55:28,148 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:55:28,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44905461] [2021-11-20 06:55:28,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44905461] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:55:28,148 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:55:28,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 2] imperfect sequences [] total 3 [2021-11-20 06:55:28,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519994924] [2021-11-20 06:55:28,149 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:55:28,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:55:28,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:55:28,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:55:28,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:55:28,150 INFO L87 Difference]: Start difference. First operand 1753 states and 2550 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-20 06:55:30,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:30,545 INFO L93 Difference]: Finished difference Result 3043 states and 4128 transitions. [2021-11-20 06:55:30,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:55:30,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 25 [2021-11-20 06:55:30,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:30,561 INFO L225 Difference]: With dead ends: 3043 [2021-11-20 06:55:30,561 INFO L226 Difference]: Without dead ends: 3043 [2021-11-20 06:55:30,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:55:30,562 INFO L933 BasicCegarLoop]: 796 mSDtfsCounter, 1266 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:30,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1266 Valid, 2193 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 06:55:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2021-11-20 06:55:30,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 2512. [2021-11-20 06:55:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 1666 states have (on average 1.7028811524609844) internal successors, (2837), 1918 states have internal predecessors, (2837), 456 states have call successors, (456), 198 states have call predecessors, (456), 198 states have return successors, (456), 422 states have call predecessors, (456), 456 states have call successors, (456) [2021-11-20 06:55:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3749 transitions. [2021-11-20 06:55:30,647 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3749 transitions. Word has length 25 [2021-11-20 06:55:30,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:30,648 INFO L470 AbstractCegarLoop]: Abstraction has 2512 states and 3749 transitions. [2021-11-20 06:55:30,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-20 06:55:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3749 transitions. [2021-11-20 06:55:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 06:55:30,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:30,649 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:30,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:55:30,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:55:30,863 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:55:30,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:30,864 INFO L85 PathProgramCache]: Analyzing trace with hash -307004655, now seen corresponding path program 1 times [2021-11-20 06:55:30,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:55:30,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103624398] [2021-11-20 06:55:30,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:30,865 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:55:30,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:55:30,866 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:55:30,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 06:55:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:55:31,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:55:31,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:55:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:31,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:55:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:31,436 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:55:31,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103624398] [2021-11-20 06:55:31,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103624398] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:55:31,436 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:55:31,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-11-20 06:55:31,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523851431] [2021-11-20 06:55:31,436 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:55:31,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 06:55:31,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:55:31,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 06:55:31,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:55:31,437 INFO L87 Difference]: Start difference. First operand 2512 states and 3749 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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) [2021-11-20 06:55:32,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:32,035 INFO L93 Difference]: Finished difference Result 2526 states and 3761 transitions. [2021-11-20 06:55:32,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:55:32,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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 25 [2021-11-20 06:55:32,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:32,050 INFO L225 Difference]: With dead ends: 2526 [2021-11-20 06:55:32,050 INFO L226 Difference]: Without dead ends: 2526 [2021-11-20 06:55:32,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:55:32,051 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 872 mSDsluCounter, 3602 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:32,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [904 Valid, 4375 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:55:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2526 states. [2021-11-20 06:55:32,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2526 to 2523. [2021-11-20 06:55:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 1677 states have (on average 1.6988670244484199) internal successors, (2849), 1929 states have internal predecessors, (2849), 456 states have call successors, (456), 198 states have call predecessors, (456), 198 states have return successors, (456), 422 states have call predecessors, (456), 456 states have call successors, (456) [2021-11-20 06:55:32,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3761 transitions. [2021-11-20 06:55:32,150 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3761 transitions. Word has length 25 [2021-11-20 06:55:32,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:32,150 INFO L470 AbstractCegarLoop]: Abstraction has 2523 states and 3761 transitions. [2021-11-20 06:55:32,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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) [2021-11-20 06:55:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3761 transitions. [2021-11-20 06:55:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 06:55:32,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:32,152 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:55:32,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:55:32,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:55:32,367 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:55:32,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:32,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1241117018, now seen corresponding path program 2 times [2021-11-20 06:55:32,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:55:32,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266776764] [2021-11-20 06:55:32,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:55:32,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:55:32,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:55:32,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:55:32,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 06:55:32,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:55:32,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:55:32,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 06:55:32,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:55:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:33,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:55:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:55:35,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:55:35,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266776764] [2021-11-20 06:55:35,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266776764] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:55:35,177 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:55:35,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18 [2021-11-20 06:55:35,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517548615] [2021-11-20 06:55:35,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:55:35,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 06:55:35,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:55:35,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 06:55:35,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:55:35,179 INFO L87 Difference]: Start difference. First operand 2523 states and 3761 transitions. Second operand has 19 states, 18 states have (on average 3.0) internal successors, (54), 19 states have internal predecessors, (54), 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) [2021-11-20 06:55:37,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:39,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:41,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:43,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:45,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:47,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:49,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:51,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:12,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:12,104 INFO L93 Difference]: Finished difference Result 2768 states and 4064 transitions. [2021-11-20 06:56:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-20 06:56:12,105 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0) internal successors, (54), 19 states have internal predecessors, (54), 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 29 [2021-11-20 06:56:12,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:12,121 INFO L225 Difference]: With dead ends: 2768 [2021-11-20 06:56:12,121 INFO L226 Difference]: Without dead ends: 2768 [2021-11-20 06:56:12,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=412, Invalid=710, Unknown=0, NotChecked=0, Total=1122 [2021-11-20 06:56:12,122 INFO L933 BasicCegarLoop]: 813 mSDtfsCounter, 1237 mSDsluCounter, 6676 mSDsCounter, 0 mSdLazyCounter, 3878 mSolverCounterSat, 179 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 7489 SdHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 3878 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:12,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1249 Valid, 7489 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 3878 Invalid, 8 Unknown, 0 Unchecked, 33.8s Time] [2021-11-20 06:56:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2021-11-20 06:56:12,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2536. [2021-11-20 06:56:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2536 states, 1690 states have (on average 1.6940828402366863) internal successors, (2863), 1942 states have internal predecessors, (2863), 456 states have call successors, (456), 198 states have call predecessors, (456), 198 states have return successors, (456), 422 states have call predecessors, (456), 456 states have call successors, (456) [2021-11-20 06:56:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 3775 transitions. [2021-11-20 06:56:12,200 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 3775 transitions. Word has length 29 [2021-11-20 06:56:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:12,200 INFO L470 AbstractCegarLoop]: Abstraction has 2536 states and 3775 transitions. [2021-11-20 06:56:12,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0) internal successors, (54), 19 states have internal predecessors, (54), 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) [2021-11-20 06:56:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 3775 transitions. [2021-11-20 06:56:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 06:56:12,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:12,202 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:12,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-20 06:56:12,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:12,417 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:56:12,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:12,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1417284303, now seen corresponding path program 2 times [2021-11-20 06:56:12,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:12,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057378706] [2021-11-20 06:56:12,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:56:12,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:12,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:12,420 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:12,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 06:56:12,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:56:12,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:56:12,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:56:12,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-20 06:56:13,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-20 06:56:13,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:13,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057378706] [2021-11-20 06:56:13,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057378706] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:13,885 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:13,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 5 [2021-11-20 06:56:13,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275283445] [2021-11-20 06:56:13,886 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:13,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:56:13,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:13,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:56:13,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:56:13,887 INFO L87 Difference]: Start difference. First operand 2536 states and 3775 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2021-11-20 06:56:15,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:20,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:20,628 INFO L93 Difference]: Finished difference Result 2658 states and 3801 transitions. [2021-11-20 06:56:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:56:20,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 43 [2021-11-20 06:56:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:20,644 INFO L225 Difference]: With dead ends: 2658 [2021-11-20 06:56:20,644 INFO L226 Difference]: Without dead ends: 2658 [2021-11-20 06:56:20,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:56:20,645 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 689 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 65 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:20,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 2087 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 795 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2021-11-20 06:56:20,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2021-11-20 06:56:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2534. [2021-11-20 06:56:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 1690 states have (on average 1.6928994082840236) internal successors, (2861), 1940 states have internal predecessors, (2861), 456 states have call successors, (456), 198 states have call predecessors, (456), 198 states have return successors, (456), 422 states have call predecessors, (456), 456 states have call successors, (456) [2021-11-20 06:56:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3773 transitions. [2021-11-20 06:56:20,719 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3773 transitions. Word has length 43 [2021-11-20 06:56:20,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:20,719 INFO L470 AbstractCegarLoop]: Abstraction has 2534 states and 3773 transitions. [2021-11-20 06:56:20,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2021-11-20 06:56:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3773 transitions. [2021-11-20 06:56:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-20 06:56:20,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:20,722 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:20,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:20,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:20,935 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:56:20,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:20,936 INFO L85 PathProgramCache]: Analyzing trace with hash 495619110, now seen corresponding path program 3 times [2021-11-20 06:56:20,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:20,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281243889] [2021-11-20 06:56:20,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:56:20,937 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:20,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:20,938 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:20,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 06:56:21,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-11-20 06:56:21,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:56:21,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 06:56:21,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 134 proven. 145 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-20 06:56:22,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 134 proven. 145 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-20 06:56:22,805 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:22,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281243889] [2021-11-20 06:56:22,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281243889] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:56:22,805 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:56:22,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-11-20 06:56:22,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439804705] [2021-11-20 06:56:22,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:56:22,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-20 06:56:22,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:22,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 06:56:22,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2021-11-20 06:56:22,807 INFO L87 Difference]: Start difference. First operand 2534 states and 3773 transitions. Second operand has 24 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 24 states have internal predecessors, (74), 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) [2021-11-20 06:56:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:23,808 INFO L93 Difference]: Finished difference Result 2520 states and 3754 transitions. [2021-11-20 06:56:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:56:23,809 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 24 states have internal predecessors, (74), 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 53 [2021-11-20 06:56:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:23,823 INFO L225 Difference]: With dead ends: 2520 [2021-11-20 06:56:23,823 INFO L226 Difference]: Without dead ends: 2520 [2021-11-20 06:56:23,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2021-11-20 06:56:23,824 INFO L933 BasicCegarLoop]: 772 mSDtfsCounter, 1240 mSDsluCounter, 9581 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 10353 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:23,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 10353 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 06:56:23,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2520 states. [2021-11-20 06:56:23,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2520 to 2520. [2021-11-20 06:56:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1677 states have (on average 1.6946929039952296) internal successors, (2842), 1926 states have internal predecessors, (2842), 456 states have call successors, (456), 198 states have call predecessors, (456), 198 states have return successors, (456), 422 states have call predecessors, (456), 456 states have call successors, (456) [2021-11-20 06:56:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3754 transitions. [2021-11-20 06:56:23,907 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3754 transitions. Word has length 53 [2021-11-20 06:56:23,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:23,909 INFO L470 AbstractCegarLoop]: Abstraction has 2520 states and 3754 transitions. [2021-11-20 06:56:23,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 24 states have internal predecessors, (74), 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) [2021-11-20 06:56:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3754 transitions. [2021-11-20 06:56:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-20 06:56:23,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:23,914 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:23,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:24,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:24,134 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:56:24,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:24,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1129900010, now seen corresponding path program 1 times [2021-11-20 06:56:24,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:24,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383172309] [2021-11-20 06:56:24,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:24,135 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:24,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:24,138 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:24,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 06:56:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:24,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:56:24,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:24,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 06:56:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:56:24,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:56:24,781 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:24,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383172309] [2021-11-20 06:56:24,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1383172309] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:24,782 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:24,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:56:24,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789956093] [2021-11-20 06:56:24,782 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:24,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:56:24,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:24,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:56:24,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:56:24,783 INFO L87 Difference]: Start difference. First operand 2520 states and 3754 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 06:56:26,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:27,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:27,621 INFO L93 Difference]: Finished difference Result 2519 states and 3753 transitions. [2021-11-20 06:56:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:56:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2021-11-20 06:56:27,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:27,638 INFO L225 Difference]: With dead ends: 2519 [2021-11-20 06:56:27,638 INFO L226 Difference]: Without dead ends: 2519 [2021-11-20 06:56:27,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:56:27,639 INFO L933 BasicCegarLoop]: 777 mSDtfsCounter, 2 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:27,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1353 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-20 06:56:27,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2021-11-20 06:56:27,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2021-11-20 06:56:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1677 states have (on average 1.6940966010733454) internal successors, (2841), 1925 states have internal predecessors, (2841), 456 states have call successors, (456), 198 states have call predecessors, (456), 198 states have return successors, (456), 422 states have call predecessors, (456), 456 states have call successors, (456) [2021-11-20 06:56:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3753 transitions. [2021-11-20 06:56:27,705 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3753 transitions. Word has length 67 [2021-11-20 06:56:27,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:27,706 INFO L470 AbstractCegarLoop]: Abstraction has 2519 states and 3753 transitions. [2021-11-20 06:56:27,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 06:56:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3753 transitions. [2021-11-20 06:56:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-20 06:56:27,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:27,707 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:27,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:27,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:27,923 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:56:27,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:27,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1129900011, now seen corresponding path program 1 times [2021-11-20 06:56:27,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:27,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087588470] [2021-11-20 06:56:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:27,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:27,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:27,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:27,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 06:56:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:28,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:56:28,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:28,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 06:56:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:56:28,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:56:29,200 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:29,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087588470] [2021-11-20 06:56:29,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087588470] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:29,201 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:29,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 5 [2021-11-20 06:56:29,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383714183] [2021-11-20 06:56:29,201 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:29,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:56:29,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:29,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:56:29,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:56:29,202 INFO L87 Difference]: Start difference. First operand 2519 states and 3753 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 06:56:31,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:33,636 INFO L93 Difference]: Finished difference Result 2518 states and 3751 transitions. [2021-11-20 06:56:33,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:56:33,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 67 [2021-11-20 06:56:33,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:33,662 INFO L225 Difference]: With dead ends: 2518 [2021-11-20 06:56:33,662 INFO L226 Difference]: Without dead ends: 2518 [2021-11-20 06:56:33,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:56:33,663 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 752 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:33,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 1342 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-20 06:56:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-11-20 06:56:33,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2518. [2021-11-20 06:56:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1677 states have (on average 1.6929039952295766) internal successors, (2839), 1924 states have internal predecessors, (2839), 456 states have call successors, (456), 198 states have call predecessors, (456), 198 states have return successors, (456), 422 states have call predecessors, (456), 456 states have call successors, (456) [2021-11-20 06:56:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3751 transitions. [2021-11-20 06:56:33,726 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3751 transitions. Word has length 67 [2021-11-20 06:56:33,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:33,726 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 3751 transitions. [2021-11-20 06:56:33,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 06:56:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3751 transitions. [2021-11-20 06:56:33,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 06:56:33,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:33,731 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:33,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:33,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:33,946 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:56:33,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash -366255816, now seen corresponding path program 1 times [2021-11-20 06:56:33,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:33,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724233960] [2021-11-20 06:56:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:33,947 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:33,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:33,949 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:33,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 06:56:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:34,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:56:34,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:34,486 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 06:56:34,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 06:56:34,656 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:34,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724233960] [2021-11-20 06:56:34,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724233960] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:34,657 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:34,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:56:34,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828437323] [2021-11-20 06:56:34,658 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:34,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:56:34,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:34,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:56:34,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:56:34,659 INFO L87 Difference]: Start difference. First operand 2518 states and 3751 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:56:36,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:37,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:37,526 INFO L93 Difference]: Finished difference Result 2559 states and 3760 transitions. [2021-11-20 06:56:37,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:56:37,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2021-11-20 06:56:37,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:37,536 INFO L225 Difference]: With dead ends: 2559 [2021-11-20 06:56:37,537 INFO L226 Difference]: Without dead ends: 2547 [2021-11-20 06:56:37,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:56:37,538 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 93 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:37,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1313 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-20 06:56:37,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2021-11-20 06:56:37,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 2514. [2021-11-20 06:56:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 1675 states have (on average 1.693134328358209) internal successors, (2836), 1922 states have internal predecessors, (2836), 455 states have call successors, (455), 198 states have call predecessors, (455), 197 states have return successors, (453), 420 states have call predecessors, (453), 453 states have call successors, (453) [2021-11-20 06:56:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3744 transitions. [2021-11-20 06:56:37,608 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3744 transitions. Word has length 74 [2021-11-20 06:56:37,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:37,608 INFO L470 AbstractCegarLoop]: Abstraction has 2514 states and 3744 transitions. [2021-11-20 06:56:37,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:56:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3744 transitions. [2021-11-20 06:56:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-20 06:56:37,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:37,610 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:37,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:37,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:37,825 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:56:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:37,826 INFO L85 PathProgramCache]: Analyzing trace with hash -475870393, now seen corresponding path program 1 times [2021-11-20 06:56:37,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:37,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919826426] [2021-11-20 06:56:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:37,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:37,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:37,827 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:37,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-20 06:56:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:38,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:56:38,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:39,109 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-20 06:56:39,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-11-20 06:56:39,448 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-11-20 06:56:39,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 40 [2021-11-20 06:56:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:56:39,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 06:56:40,132 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:40,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919826426] [2021-11-20 06:56:40,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919826426] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:40,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:56:40,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2021-11-20 06:56:40,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593438167] [2021-11-20 06:56:40,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:40,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:56:40,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:40,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:56:40,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:56:40,134 INFO L87 Difference]: Start difference. First operand 2514 states and 3744 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 06:56:42,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:44,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:46,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:49,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:56:49,458 INFO L93 Difference]: Finished difference Result 4274 states and 6391 transitions. [2021-11-20 06:56:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:56:49,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 76 [2021-11-20 06:56:49,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:56:49,470 INFO L225 Difference]: With dead ends: 4274 [2021-11-20 06:56:49,470 INFO L226 Difference]: Without dead ends: 4274 [2021-11-20 06:56:49,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:56:49,471 INFO L933 BasicCegarLoop]: 707 mSDtfsCounter, 756 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:56:49,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 2655 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1470 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2021-11-20 06:56:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2021-11-20 06:56:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 2794. [2021-11-20 06:56:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 1878 states have (on average 1.7007454739084131) internal successors, (3194), 2138 states have internal predecessors, (3194), 511 states have call successors, (511), 219 states have call predecessors, (511), 218 states have return successors, (509), 467 states have call predecessors, (509), 509 states have call successors, (509) [2021-11-20 06:56:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 4214 transitions. [2021-11-20 06:56:49,553 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 4214 transitions. Word has length 76 [2021-11-20 06:56:49,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:56:49,554 INFO L470 AbstractCegarLoop]: Abstraction has 2794 states and 4214 transitions. [2021-11-20 06:56:49,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 06:56:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 4214 transitions. [2021-11-20 06:56:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-20 06:56:49,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:56:49,555 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:56:49,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:56:49,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:56:49,771 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting spin_lock_initErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:56:49,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:56:49,772 INFO L85 PathProgramCache]: Analyzing trace with hash -475870392, now seen corresponding path program 1 times [2021-11-20 06:56:49,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:56:49,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435174712] [2021-11-20 06:56:49,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:56:49,773 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:56:49,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:56:49,774 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:56:49,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-20 06:56:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:50,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 06:56:50,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:56:51,510 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:56:51,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 06:56:51,518 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 06:56:51,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-20 06:56:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:56:51,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:56:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 06:56:56,190 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:56:56,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435174712] [2021-11-20 06:56:56,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435174712] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:56:56,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:56:56,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 9 [2021-11-20 06:56:56,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946522997] [2021-11-20 06:56:56,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:56,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:56:56,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:56:56,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:56:56,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2021-11-20 06:56:56,191 INFO L87 Difference]: Start difference. First operand 2794 states and 4214 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 06:56:58,210 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:00,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:11,673 INFO L93 Difference]: Finished difference Result 3281 states and 4858 transitions. [2021-11-20 06:57:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:57:11,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 76 [2021-11-20 06:57:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:11,683 INFO L225 Difference]: With dead ends: 3281 [2021-11-20 06:57:11,683 INFO L226 Difference]: Without dead ends: 3281 [2021-11-20 06:57:11,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=44, Invalid=136, Unknown=2, NotChecked=0, Total=182 [2021-11-20 06:57:11,685 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 371 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 621 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:11,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 3163 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 848 Invalid, 2 Unknown, 621 Unchecked, 8.9s Time] [2021-11-20 06:57:11,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-11-20 06:57:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2836. [2021-11-20 06:57:11,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 1905 states have (on average 1.6939632545931758) internal successors, (3227), 2166 states have internal predecessors, (3227), 520 states have call successors, (520), 226 states have call predecessors, (520), 224 states have return successors, (517), 474 states have call predecessors, (517), 517 states have call successors, (517) [2021-11-20 06:57:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 4264 transitions. [2021-11-20 06:57:11,785 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 4264 transitions. Word has length 76 [2021-11-20 06:57:11,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:11,785 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 4264 transitions. [2021-11-20 06:57:11,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 06:57:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 4264 transitions. [2021-11-20 06:57:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 06:57:11,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:11,789 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:11,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:12,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:57:12,010 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting spin_lock_initErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:57:12,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:12,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1867080320, now seen corresponding path program 1 times [2021-11-20 06:57:12,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:57:12,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517670826] [2021-11-20 06:57:12,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:12,011 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:57:12,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:57:12,012 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:57:12,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-20 06:57:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:12,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 06:57:12,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:13,928 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:57:13,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2021-11-20 06:57:13,936 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 06:57:13,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2021-11-20 06:57:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:57:14,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 06:57:18,847 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:57:18,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517670826] [2021-11-20 06:57:18,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517670826] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:57:18,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:57:18,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 9 [2021-11-20 06:57:18,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527252589] [2021-11-20 06:57:18,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:18,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:57:18,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:57:18,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:57:18,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2021-11-20 06:57:18,850 INFO L87 Difference]: Start difference. First operand 2836 states and 4264 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 06:57:20,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:22,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:34,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:34,272 INFO L93 Difference]: Finished difference Result 3306 states and 4828 transitions. [2021-11-20 06:57:34,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:57:34,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 77 [2021-11-20 06:57:34,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:34,282 INFO L225 Difference]: With dead ends: 3306 [2021-11-20 06:57:34,282 INFO L226 Difference]: Without dead ends: 3306 [2021-11-20 06:57:34,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=44, Invalid=136, Unknown=2, NotChecked=0, Total=182 [2021-11-20 06:57:34,283 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 493 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 3258 SdHoareTripleChecker+Invalid, 1854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 1001 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:34,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [495 Valid, 3258 Invalid, 1854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 849 Invalid, 2 Unknown, 1001 Unchecked, 8.9s Time] [2021-11-20 06:57:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2021-11-20 06:57:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 2836. [2021-11-20 06:57:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 1905 states have (on average 1.6934383202099736) internal successors, (3226), 2166 states have internal predecessors, (3226), 520 states have call successors, (520), 226 states have call predecessors, (520), 224 states have return successors, (517), 474 states have call predecessors, (517), 517 states have call successors, (517) [2021-11-20 06:57:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 4263 transitions. [2021-11-20 06:57:34,350 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 4263 transitions. Word has length 77 [2021-11-20 06:57:34,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:34,351 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 4263 transitions. [2021-11-20 06:57:34,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-20 06:57:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 4263 transitions. [2021-11-20 06:57:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-20 06:57:34,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:34,352 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:34,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:57:34,570 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:57:34,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:34,570 INFO L85 PathProgramCache]: Analyzing trace with hash 862802860, now seen corresponding path program 1 times [2021-11-20 06:57:34,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:57:34,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4840209] [2021-11-20 06:57:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:34,571 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:57:34,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:57:34,572 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-20 06:57:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:35,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:57:35,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:35,988 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-20 06:57:35,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2021-11-20 06:57:36,179 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-11-20 06:57:36,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 33 [2021-11-20 06:57:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:57:36,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-20 06:57:36,753 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:57:36,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4840209] [2021-11-20 06:57:36,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4840209] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:57:36,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:57:36,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2021-11-20 06:57:36,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390530089] [2021-11-20 06:57:36,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:36,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:57:36,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:57:36,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:57:36,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:57:36,757 INFO L87 Difference]: Start difference. First operand 2836 states and 4263 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 06:57:38,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:40,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:42,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:46,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:57:46,266 INFO L93 Difference]: Finished difference Result 4303 states and 6429 transitions. [2021-11-20 06:57:46,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:57:46,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 82 [2021-11-20 06:57:46,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:57:46,278 INFO L225 Difference]: With dead ends: 4303 [2021-11-20 06:57:46,278 INFO L226 Difference]: Without dead ends: 4303 [2021-11-20 06:57:46,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:57:46,280 INFO L933 BasicCegarLoop]: 707 mSDtfsCounter, 752 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 2770 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:57:46,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [753 Valid, 2770 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1485 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2021-11-20 06:57:46,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2021-11-20 06:57:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 2835. [2021-11-20 06:57:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 1905 states have (on average 1.6929133858267718) internal successors, (3225), 2165 states have internal predecessors, (3225), 520 states have call successors, (520), 226 states have call predecessors, (520), 224 states have return successors, (517), 474 states have call predecessors, (517), 517 states have call successors, (517) [2021-11-20 06:57:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 4262 transitions. [2021-11-20 06:57:46,357 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 4262 transitions. Word has length 82 [2021-11-20 06:57:46,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:57:46,357 INFO L470 AbstractCegarLoop]: Abstraction has 2835 states and 4262 transitions. [2021-11-20 06:57:46,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 06:57:46,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 4262 transitions. [2021-11-20 06:57:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-20 06:57:46,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:57:46,359 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:57:46,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:46,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:57:46,574 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting spin_lock_initErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:57:46,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:46,574 INFO L85 PathProgramCache]: Analyzing trace with hash 862802861, now seen corresponding path program 1 times [2021-11-20 06:57:46,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:57:46,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735839441] [2021-11-20 06:57:46,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:46,575 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:57:46,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:57:46,577 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:57:46,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-20 06:57:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:57:47,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 06:57:47,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:57:48,490 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:57:48,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 06:57:48,496 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 06:57:48,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-20 06:57:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:57:48,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:57:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-20 06:57:53,499 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:57:53,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735839441] [2021-11-20 06:57:53,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735839441] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:57:53,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:57:53,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 9 [2021-11-20 06:57:53,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15876817] [2021-11-20 06:57:53,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:57:53,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:57:53,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:57:53,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:57:53,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2021-11-20 06:57:53,501 INFO L87 Difference]: Start difference. First operand 2835 states and 4262 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 06:57:55,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:57,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:08,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:08,723 INFO L93 Difference]: Finished difference Result 3278 states and 4855 transitions. [2021-11-20 06:58:08,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:58:08,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 82 [2021-11-20 06:58:08,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:08,735 INFO L225 Difference]: With dead ends: 3278 [2021-11-20 06:58:08,735 INFO L226 Difference]: Without dead ends: 3278 [2021-11-20 06:58:08,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=44, Invalid=136, Unknown=2, NotChecked=0, Total=182 [2021-11-20 06:58:08,736 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 360 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 3153 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 618 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:08,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 3153 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 845 Invalid, 2 Unknown, 618 Unchecked, 8.7s Time] [2021-11-20 06:58:08,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2021-11-20 06:58:08,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 2834. [2021-11-20 06:58:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 1905 states have (on average 1.6923884514435696) internal successors, (3224), 2164 states have internal predecessors, (3224), 520 states have call successors, (520), 226 states have call predecessors, (520), 224 states have return successors, (517), 474 states have call predecessors, (517), 517 states have call successors, (517) [2021-11-20 06:58:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 4261 transitions. [2021-11-20 06:58:08,802 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 4261 transitions. Word has length 82 [2021-11-20 06:58:08,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:08,802 INFO L470 AbstractCegarLoop]: Abstraction has 2834 states and 4261 transitions. [2021-11-20 06:58:08,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 06:58:08,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 4261 transitions. [2021-11-20 06:58:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 06:58:08,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:08,804 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:08,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:58:09,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:09,018 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:58:09,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:09,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1028659715, now seen corresponding path program 1 times [2021-11-20 06:58:09,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:09,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698420892] [2021-11-20 06:58:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:09,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:09,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:09,021 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:09,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-20 06:58:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:09,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:58:09,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:58:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 06:58:09,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 06:58:09,729 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:09,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698420892] [2021-11-20 06:58:09,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698420892] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:09,729 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:09,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 06:58:09,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038660884] [2021-11-20 06:58:09,730 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:09,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:58:09,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:09,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:58:09,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:58:09,731 INFO L87 Difference]: Start difference. First operand 2834 states and 4261 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:58:09,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:09,802 INFO L93 Difference]: Finished difference Result 2320 states and 3457 transitions. [2021-11-20 06:58:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:58:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2021-11-20 06:58:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:09,806 INFO L225 Difference]: With dead ends: 2320 [2021-11-20 06:58:09,806 INFO L226 Difference]: Without dead ends: 2315 [2021-11-20 06:58:09,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:58:09,806 INFO L933 BasicCegarLoop]: 776 mSDtfsCounter, 7 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4637 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:09,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 4637 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:58:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2021-11-20 06:58:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2312. [2021-11-20 06:58:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 1544 states have (on average 1.702720207253886) internal successors, (2629), 1787 states have internal predecessors, (2629), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:58:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3449 transitions. [2021-11-20 06:58:09,860 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3449 transitions. Word has length 81 [2021-11-20 06:58:09,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:09,860 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 3449 transitions. [2021-11-20 06:58:09,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:58:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3449 transitions. [2021-11-20 06:58:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-20 06:58:09,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:09,862 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:09,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-11-20 06:58:10,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:10,077 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting spin_lock_initErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:58:10,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:10,077 INFO L85 PathProgramCache]: Analyzing trace with hash 977084859, now seen corresponding path program 1 times [2021-11-20 06:58:10,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:10,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615830134] [2021-11-20 06:58:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:10,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:10,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:10,080 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:10,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-20 06:58:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:11,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 06:58:11,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:58:12,455 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:58:12,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 06:58:12,463 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 06:58:12,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-20 06:58:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-20 06:58:12,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-20 06:58:17,544 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:17,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615830134] [2021-11-20 06:58:17,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615830134] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:58:17,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:58:17,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 9 [2021-11-20 06:58:17,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063503732] [2021-11-20 06:58:17,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:17,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:58:17,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:17,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:58:17,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2021-11-20 06:58:17,546 INFO L87 Difference]: Start difference. First operand 2312 states and 3449 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 06:58:19,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:21,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:32,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:32,562 INFO L93 Difference]: Finished difference Result 2371 states and 3462 transitions. [2021-11-20 06:58:32,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:58:32,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 83 [2021-11-20 06:58:32,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:32,566 INFO L225 Difference]: With dead ends: 2371 [2021-11-20 06:58:32,566 INFO L226 Difference]: Without dead ends: 2371 [2021-11-20 06:58:32,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=44, Invalid=136, Unknown=2, NotChecked=0, Total=182 [2021-11-20 06:58:32,567 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 299 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 3017 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 458 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:32,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 3017 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 844 Invalid, 2 Unknown, 458 Unchecked, 8.5s Time] [2021-11-20 06:58:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2021-11-20 06:58:32,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2311. [2021-11-20 06:58:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 1544 states have (on average 1.7020725388601037) internal successors, (2628), 1786 states have internal predecessors, (2628), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:58:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 3448 transitions. [2021-11-20 06:58:32,614 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 3448 transitions. Word has length 83 [2021-11-20 06:58:32,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:32,615 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 3448 transitions. [2021-11-20 06:58:32,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 06:58:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 3448 transitions. [2021-11-20 06:58:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-20 06:58:32,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:32,616 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:32,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:58:32,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:32,817 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:58:32,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:32,817 INFO L85 PathProgramCache]: Analyzing trace with hash 838655585, now seen corresponding path program 1 times [2021-11-20 06:58:32,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:32,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685235697] [2021-11-20 06:58:32,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:32,819 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:32,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:32,819 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:32,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-20 06:58:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:33,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:58:33,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:58:34,338 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-20 06:58:34,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 30 [2021-11-20 06:58:34,581 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-11-20 06:58:34,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 39 [2021-11-20 06:58:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 06:58:34,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:58:35,283 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:35,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685235697] [2021-11-20 06:58:35,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685235697] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:35,284 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:35,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 7 [2021-11-20 06:58:35,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774934275] [2021-11-20 06:58:35,284 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:35,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:58:35,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:35,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:58:35,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:58:35,286 INFO L87 Difference]: Start difference. First operand 2311 states and 3448 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2021-11-20 06:58:35,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:35,351 INFO L93 Difference]: Finished difference Result 2403 states and 3563 transitions. [2021-11-20 06:58:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:58:35,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 88 [2021-11-20 06:58:35,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:35,360 INFO L225 Difference]: With dead ends: 2403 [2021-11-20 06:58:35,360 INFO L226 Difference]: Without dead ends: 2403 [2021-11-20 06:58:35,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 166 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:58:35,361 INFO L933 BasicCegarLoop]: 813 mSDtfsCounter, 101 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 4215 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 477 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:35,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 4215 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 477 Unchecked, 0.0s Time] [2021-11-20 06:58:35,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2021-11-20 06:58:35,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 2372. [2021-11-20 06:58:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 1583 states have (on average 1.689829437776374) internal successors, (2675), 1828 states have internal predecessors, (2675), 425 states have call successors, (425), 182 states have call predecessors, (425), 181 states have return successors, (425), 386 states have call predecessors, (425), 425 states have call successors, (425) [2021-11-20 06:58:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3525 transitions. [2021-11-20 06:58:35,412 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3525 transitions. Word has length 88 [2021-11-20 06:58:35,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:35,412 INFO L470 AbstractCegarLoop]: Abstraction has 2372 states and 3525 transitions. [2021-11-20 06:58:35,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2021-11-20 06:58:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3525 transitions. [2021-11-20 06:58:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-20 06:58:35,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:35,414 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:35,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:58:35,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:35,633 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:58:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash 838655586, now seen corresponding path program 1 times [2021-11-20 06:58:35,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:35,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713911652] [2021-11-20 06:58:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:35,635 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:35,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:35,637 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:35,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-20 06:58:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:36,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:58:36,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:58:37,698 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:58:37,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-20 06:58:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:58:38,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:58:39,995 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:39,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713911652] [2021-11-20 06:58:39,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713911652] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:39,995 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:39,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [] total 6 [2021-11-20 06:58:39,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835439371] [2021-11-20 06:58:39,995 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:39,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:58:39,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:39,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:58:39,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:58:39,996 INFO L87 Difference]: Start difference. First operand 2372 states and 3525 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-20 06:58:42,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:44,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:49,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:49,693 INFO L93 Difference]: Finished difference Result 2568 states and 3801 transitions. [2021-11-20 06:58:49,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:58:49,695 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 88 [2021-11-20 06:58:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:49,699 INFO L225 Difference]: With dead ends: 2568 [2021-11-20 06:58:49,699 INFO L226 Difference]: Without dead ends: 2568 [2021-11-20 06:58:49,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:58:49,700 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 257 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 3475 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 254 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:49,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 3475 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1052 Invalid, 2 Unknown, 254 Unchecked, 9.7s Time] [2021-11-20 06:58:49,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2021-11-20 06:58:49,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2308. [2021-11-20 06:58:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 1544 states have (on average 1.6994818652849741) internal successors, (2624), 1783 states have internal predecessors, (2624), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:58:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3444 transitions. [2021-11-20 06:58:49,766 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3444 transitions. Word has length 88 [2021-11-20 06:58:49,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:49,766 INFO L470 AbstractCegarLoop]: Abstraction has 2308 states and 3444 transitions. [2021-11-20 06:58:49,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-20 06:58:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3444 transitions. [2021-11-20 06:58:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 06:58:49,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:49,768 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:49,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:58:49,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:49,982 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:58:49,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:49,982 INFO L85 PathProgramCache]: Analyzing trace with hash 228519724, now seen corresponding path program 1 times [2021-11-20 06:58:49,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:49,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414166747] [2021-11-20 06:58:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:49,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:49,984 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:49,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-20 06:58:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:51,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:58:51,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:58:51,540 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-20 06:58:51,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-11-20 06:58:51,861 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-11-20 06:58:51,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 45 [2021-11-20 06:58:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 06:58:52,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:58:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:58:53,332 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:58:53,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414166747] [2021-11-20 06:58:53,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414166747] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:53,333 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:53,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 9 [2021-11-20 06:58:53,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837971247] [2021-11-20 06:58:53,333 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:53,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:58:53,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:58:53,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:58:53,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:58:53,334 INFO L87 Difference]: Start difference. First operand 2308 states and 3444 transitions. Second operand has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2021-11-20 06:58:55,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:57,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:59,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:59,246 INFO L93 Difference]: Finished difference Result 2769 states and 4209 transitions. [2021-11-20 06:58:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:58:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 89 [2021-11-20 06:58:59,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:59,250 INFO L225 Difference]: With dead ends: 2769 [2021-11-20 06:58:59,250 INFO L226 Difference]: Without dead ends: 2769 [2021-11-20 06:58:59,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 16 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:58:59,251 INFO L933 BasicCegarLoop]: 671 mSDtfsCounter, 356 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 2562 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 443 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:59,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 2562 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 612 Invalid, 2 Unknown, 443 Unchecked, 5.9s Time] [2021-11-20 06:58:59,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2021-11-20 06:58:59,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2307. [2021-11-20 06:58:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 1544 states have (on average 1.6988341968911918) internal successors, (2623), 1782 states have internal predecessors, (2623), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:58:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3443 transitions. [2021-11-20 06:58:59,322 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3443 transitions. Word has length 89 [2021-11-20 06:58:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:59,323 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 3443 transitions. [2021-11-20 06:58:59,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2021-11-20 06:58:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3443 transitions. [2021-11-20 06:58:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 06:58:59,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:59,324 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:59,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:58:59,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:58:59,534 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:58:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:59,535 INFO L85 PathProgramCache]: Analyzing trace with hash 228519725, now seen corresponding path program 1 times [2021-11-20 06:58:59,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:58:59,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210286502] [2021-11-20 06:58:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:59,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:58:59,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:58:59,538 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:58:59,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-20 06:59:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:00,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 06:59:00,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:01,777 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:59:01,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 06:59:01,783 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 06:59:01,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-20 06:59:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 06:59:02,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:59:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:06,542 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:59:06,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210286502] [2021-11-20 06:59:06,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210286502] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:59:06,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:59:06,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2021-11-20 06:59:06,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595298536] [2021-11-20 06:59:06,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:06,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:59:06,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:59:06,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:59:06,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=37, Unknown=1, NotChecked=0, Total=56 [2021-11-20 06:59:06,544 INFO L87 Difference]: Start difference. First operand 2307 states and 3443 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 06:59:08,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:18,394 INFO L93 Difference]: Finished difference Result 2366 states and 3456 transitions. [2021-11-20 06:59:18,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:59:18,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 89 [2021-11-20 06:59:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:18,398 INFO L225 Difference]: With dead ends: 2366 [2021-11-20 06:59:18,398 INFO L226 Difference]: Without dead ends: 2366 [2021-11-20 06:59:18,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=28, Invalid=60, Unknown=2, NotChecked=0, Total=90 [2021-11-20 06:59:18,399 INFO L933 BasicCegarLoop]: 808 mSDtfsCounter, 388 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 420 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:18,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [388 Valid, 2364 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 529 Invalid, 1 Unknown, 420 Unchecked, 5.6s Time] [2021-11-20 06:59:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2021-11-20 06:59:18,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2306. [2021-11-20 06:59:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2306 states, 1544 states have (on average 1.6981865284974094) internal successors, (2622), 1781 states have internal predecessors, (2622), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:59:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 3442 transitions. [2021-11-20 06:59:18,440 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 3442 transitions. Word has length 89 [2021-11-20 06:59:18,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:18,440 INFO L470 AbstractCegarLoop]: Abstraction has 2306 states and 3442 transitions. [2021-11-20 06:59:18,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 06:59:18,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3442 transitions. [2021-11-20 06:59:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-20 06:59:18,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:18,442 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:18,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-11-20 06:59:18,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:59:18,660 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:59:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:18,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1505822780, now seen corresponding path program 1 times [2021-11-20 06:59:18,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:59:18,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553696982] [2021-11-20 06:59:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:18,661 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:59:18,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:59:18,662 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:59:18,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-20 06:59:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:19,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:59:19,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:19,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:59:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:19,357 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:59:19,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553696982] [2021-11-20 06:59:19,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553696982] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:19,357 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:19,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:59:19,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863912832] [2021-11-20 06:59:19,357 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:19,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:59:19,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:59:19,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:59:19,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:59:19,359 INFO L87 Difference]: Start difference. First operand 2306 states and 3442 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 06:59:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:20,732 INFO L93 Difference]: Finished difference Result 3406 states and 5057 transitions. [2021-11-20 06:59:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:59:20,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2021-11-20 06:59:20,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:20,739 INFO L225 Difference]: With dead ends: 3406 [2021-11-20 06:59:20,739 INFO L226 Difference]: Without dead ends: 3406 [2021-11-20 06:59:20,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:59:20,740 INFO L933 BasicCegarLoop]: 701 mSDtfsCounter, 744 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:20,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [744 Valid, 1176 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-20 06:59:20,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2021-11-20 06:59:20,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 2305. [2021-11-20 06:59:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2305 states, 1544 states have (on average 1.697538860103627) internal successors, (2621), 1780 states have internal predecessors, (2621), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:59:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 3441 transitions. [2021-11-20 06:59:20,813 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 3441 transitions. Word has length 90 [2021-11-20 06:59:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:20,814 INFO L470 AbstractCegarLoop]: Abstraction has 2305 states and 3441 transitions. [2021-11-20 06:59:20,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 06:59:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3441 transitions. [2021-11-20 06:59:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-20 06:59:20,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:20,815 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:20,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:21,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:59:21,032 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:59:21,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:21,033 INFO L85 PathProgramCache]: Analyzing trace with hash 308299045, now seen corresponding path program 1 times [2021-11-20 06:59:21,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:59:21,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739211536] [2021-11-20 06:59:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:21,034 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:59:21,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:59:21,034 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:59:21,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-20 06:59:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:21,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:59:21,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:21,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:59:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:21,735 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:59:21,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739211536] [2021-11-20 06:59:21,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739211536] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:21,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:21,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:59:21,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273418968] [2021-11-20 06:59:21,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:21,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:59:21,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:59:21,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:59:21,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:59:21,737 INFO L87 Difference]: Start difference. First operand 2305 states and 3441 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 06:59:23,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:25,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:25,065 INFO L93 Difference]: Finished difference Result 2766 states and 4206 transitions. [2021-11-20 06:59:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:59:25,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 92 [2021-11-20 06:59:25,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:25,071 INFO L225 Difference]: With dead ends: 2766 [2021-11-20 06:59:25,072 INFO L226 Difference]: Without dead ends: 2766 [2021-11-20 06:59:25,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:59:25,072 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 345 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:25,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 1214 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-20 06:59:25,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2021-11-20 06:59:25,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2304. [2021-11-20 06:59:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2304 states, 1544 states have (on average 1.6968911917098446) internal successors, (2620), 1779 states have internal predecessors, (2620), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:59:25,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3440 transitions. [2021-11-20 06:59:25,145 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3440 transitions. Word has length 92 [2021-11-20 06:59:25,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:25,146 INFO L470 AbstractCegarLoop]: Abstraction has 2304 states and 3440 transitions. [2021-11-20 06:59:25,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 06:59:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3440 transitions. [2021-11-20 06:59:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-20 06:59:25,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:25,147 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:25,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:25,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:59:25,356 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:59:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:25,357 INFO L85 PathProgramCache]: Analyzing trace with hash 308299046, now seen corresponding path program 1 times [2021-11-20 06:59:25,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:59:25,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752325188] [2021-11-20 06:59:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:25,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:59:25,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:59:25,358 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:59:25,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-20 06:59:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:25,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:59:25,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:26,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:59:26,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-11-20 06:59:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:26,883 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:59:26,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752325188] [2021-11-20 06:59:26,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752325188] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:26,883 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:26,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 7 [2021-11-20 06:59:26,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152481457] [2021-11-20 06:59:26,884 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:26,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:59:26,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:59:26,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:59:26,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:59:26,884 INFO L87 Difference]: Start difference. First operand 2304 states and 3440 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-20 06:59:28,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:30,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:33,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:33,582 INFO L93 Difference]: Finished difference Result 2564 states and 3798 transitions. [2021-11-20 06:59:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:59:33,582 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 92 [2021-11-20 06:59:33,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:33,587 INFO L225 Difference]: With dead ends: 2564 [2021-11-20 06:59:33,587 INFO L226 Difference]: Without dead ends: 2564 [2021-11-20 06:59:33,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:59:33,588 INFO L933 BasicCegarLoop]: 713 mSDtfsCounter, 1421 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 101 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:33,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1421 Valid, 2508 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 617 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2021-11-20 06:59:33,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2021-11-20 06:59:33,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2303. [2021-11-20 06:59:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 1544 states have (on average 1.6962435233160622) internal successors, (2619), 1778 states have internal predecessors, (2619), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:59:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3439 transitions. [2021-11-20 06:59:33,636 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3439 transitions. Word has length 92 [2021-11-20 06:59:33,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:33,637 INFO L470 AbstractCegarLoop]: Abstraction has 2303 states and 3439 transitions. [2021-11-20 06:59:33,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-20 06:59:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3439 transitions. [2021-11-20 06:59:33,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-20 06:59:33,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:33,638 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:33,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-11-20 06:59:33,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:59:33,855 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting cdev_addErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:59:33,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:33,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1317347739, now seen corresponding path program 1 times [2021-11-20 06:59:33,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:59:33,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829684207] [2021-11-20 06:59:33,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:33,856 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:59:33,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:59:33,857 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-20 06:59:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:34,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:59:34,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:34,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:59:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:34,653 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:59:34,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829684207] [2021-11-20 06:59:34,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829684207] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:34,653 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:34,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 06:59:34,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757610784] [2021-11-20 06:59:34,654 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:34,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:59:34,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:59:34,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:59:34,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:59:34,655 INFO L87 Difference]: Start difference. First operand 2303 states and 3439 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 06:59:36,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:38,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:41,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:41,399 INFO L93 Difference]: Finished difference Result 3402 states and 5053 transitions. [2021-11-20 06:59:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:59:41,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 96 [2021-11-20 06:59:41,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:41,405 INFO L225 Difference]: With dead ends: 3402 [2021-11-20 06:59:41,405 INFO L226 Difference]: Without dead ends: 3402 [2021-11-20 06:59:41,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:59:41,406 INFO L933 BasicCegarLoop]: 695 mSDtfsCounter, 784 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:41,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [785 Valid, 2200 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1058 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2021-11-20 06:59:41,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2021-11-20 06:59:41,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 2301. [2021-11-20 06:59:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 1544 states have (on average 1.6949481865284974) internal successors, (2617), 1776 states have internal predecessors, (2617), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 06:59:41,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 3437 transitions. [2021-11-20 06:59:41,449 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 3437 transitions. Word has length 96 [2021-11-20 06:59:41,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:41,450 INFO L470 AbstractCegarLoop]: Abstraction has 2301 states and 3437 transitions. [2021-11-20 06:59:41,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-20 06:59:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 3437 transitions. [2021-11-20 06:59:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-20 06:59:41,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:41,451 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:41,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:59:41,669 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting cdev_addErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 06:59:41,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:41,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1317347738, now seen corresponding path program 1 times [2021-11-20 06:59:41,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:59:41,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363190459] [2021-11-20 06:59:41,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:41,670 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:59:41,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:59:41,671 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-20 06:59:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:42,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 06:59:42,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:44,084 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:59:44,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2021-11-20 06:59:44,096 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 06:59:44,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-20 06:59:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 06:59:45,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:59:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 06:59:52,481 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:59:52,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363190459] [2021-11-20 06:59:52,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363190459] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:59:52,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:59:52,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 11 [2021-11-20 06:59:52,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457827884] [2021-11-20 06:59:52,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:52,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:59:52,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:59:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:59:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=103, Unknown=1, NotChecked=0, Total=132 [2021-11-20 06:59:52,482 INFO L87 Difference]: Start difference. First operand 2301 states and 3437 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 06:59:54,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:56,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:58,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:11,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:11,232 INFO L93 Difference]: Finished difference Result 2344 states and 3446 transitions. [2021-11-20 07:00:11,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:00:11,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 96 [2021-11-20 07:00:11,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:11,240 INFO L225 Difference]: With dead ends: 2344 [2021-11-20 07:00:11,240 INFO L226 Difference]: Without dead ends: 2344 [2021-11-20 07:00:11,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=38, Invalid=142, Unknown=2, NotChecked=0, Total=182 [2021-11-20 07:00:11,241 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 174 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 392 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:11,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 3317 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 962 Invalid, 3 Unknown, 392 Unchecked, 12.3s Time] [2021-11-20 07:00:11,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2021-11-20 07:00:11,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2300. [2021-11-20 07:00:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2300 states, 1544 states have (on average 1.694300518134715) internal successors, (2616), 1775 states have internal predecessors, (2616), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 07:00:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 3436 transitions. [2021-11-20 07:00:11,283 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 3436 transitions. Word has length 96 [2021-11-20 07:00:11,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:11,283 INFO L470 AbstractCegarLoop]: Abstraction has 2300 states and 3436 transitions. [2021-11-20 07:00:11,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 07:00:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 3436 transitions. [2021-11-20 07:00:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-20 07:00:11,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:11,284 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:11,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:11,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:00:11,486 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting cdev_addErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:00:11,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:11,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2111894061, now seen corresponding path program 1 times [2021-11-20 07:00:11,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:00:11,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483328767] [2021-11-20 07:00:11,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:11,487 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:00:11,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:00:11,488 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:00:11,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-20 07:00:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:12,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 07:00:12,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:13,958 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 07:00:13,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2021-11-20 07:00:13,972 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:00:13,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-11-20 07:00:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 07:00:15,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:00:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:00:22,487 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:00:22,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483328767] [2021-11-20 07:00:22,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483328767] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:00:22,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:00:22,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 11 [2021-11-20 07:00:22,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94111523] [2021-11-20 07:00:22,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:22,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:00:22,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:00:22,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:00:22,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=103, Unknown=1, NotChecked=0, Total=132 [2021-11-20 07:00:22,489 INFO L87 Difference]: Start difference. First operand 2300 states and 3436 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 07:00:24,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:26,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:28,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:41,610 INFO L93 Difference]: Finished difference Result 2343 states and 3445 transitions. [2021-11-20 07:00:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:00:41,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 97 [2021-11-20 07:00:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:41,614 INFO L225 Difference]: With dead ends: 2343 [2021-11-20 07:00:41,615 INFO L226 Difference]: Without dead ends: 2343 [2021-11-20 07:00:41,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=38, Invalid=142, Unknown=2, NotChecked=0, Total=182 [2021-11-20 07:00:41,615 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 171 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 433 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:41,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 3334 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 959 Invalid, 3 Unknown, 433 Unchecked, 12.7s Time] [2021-11-20 07:00:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2343 states. [2021-11-20 07:00:41,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2343 to 2299. [2021-11-20 07:00:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2299 states, 1544 states have (on average 1.6936528497409327) internal successors, (2615), 1774 states have internal predecessors, (2615), 410 states have call successors, (410), 173 states have call predecessors, (410), 173 states have return successors, (410), 376 states have call predecessors, (410), 410 states have call successors, (410) [2021-11-20 07:00:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 3435 transitions. [2021-11-20 07:00:41,655 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 3435 transitions. Word has length 97 [2021-11-20 07:00:41,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:41,655 INFO L470 AbstractCegarLoop]: Abstraction has 2299 states and 3435 transitions. [2021-11-20 07:00:41,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-20 07:00:41,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 3435 transitions. [2021-11-20 07:00:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-20 07:00:41,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:41,657 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:41,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-11-20 07:00:41,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:00:41,877 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting cdev_addErr4REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:00:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:41,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1542682259, now seen corresponding path program 1 times [2021-11-20 07:00:41,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:00:41,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699504645] [2021-11-20 07:00:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:41,878 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:00:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:00:41,879 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:00:41,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-20 07:00:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:43,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:00:43,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:43,730 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-20 07:00:43,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2021-11-20 07:00:43,943 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-11-20 07:00:43,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 32 [2021-11-20 07:00:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 07:00:44,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:00:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:00:44,702 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:00:44,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699504645] [2021-11-20 07:00:44,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699504645] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:00:44,702 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:00:44,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 7 [2021-11-20 07:00:44,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611387176] [2021-11-20 07:00:44,702 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:44,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:00:44,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:00:44,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:00:44,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:00:44,703 INFO L87 Difference]: Start difference. First operand 2299 states and 3435 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 6 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2021-11-20 07:00:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:45,567 INFO L93 Difference]: Finished difference Result 2649 states and 3836 transitions. [2021-11-20 07:00:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:00:45,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 6 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 106 [2021-11-20 07:00:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:45,574 INFO L225 Difference]: With dead ends: 2649 [2021-11-20 07:00:45,574 INFO L226 Difference]: Without dead ends: 2649 [2021-11-20 07:00:45,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:00:45,575 INFO L933 BasicCegarLoop]: 690 mSDtfsCounter, 434 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1843 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 468 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:45,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 1843 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 200 Invalid, 0 Unknown, 468 Unchecked, 0.8s Time] [2021-11-20 07:00:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2021-11-20 07:00:45,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1675. [2021-11-20 07:00:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1041 states have (on average 1.5619596541786744) internal successors, (1626), 1231 states have internal predecessors, (1626), 313 states have call successors, (313), 162 states have call predecessors, (313), 162 states have return successors, (313), 295 states have call predecessors, (313), 313 states have call successors, (313) [2021-11-20 07:00:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2252 transitions. [2021-11-20 07:00:45,637 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2252 transitions. Word has length 106 [2021-11-20 07:00:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:45,640 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 2252 transitions. [2021-11-20 07:00:45,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 6 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2021-11-20 07:00:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2252 transitions. [2021-11-20 07:00:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-20 07:00:45,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:45,642 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:45,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:45,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:00:45,858 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting cdev_addErr5REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:00:45,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:45,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1542682258, now seen corresponding path program 1 times [2021-11-20 07:00:45,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:00:45,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868180648] [2021-11-20 07:00:45,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:45,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:00:45,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:00:45,860 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:00:45,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-20 07:00:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:47,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:00:47,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:48,413 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 07:00:48,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 07:00:48,419 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:00:48,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-20 07:00:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 07:00:49,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:00:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:00:54,754 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:00:54,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868180648] [2021-11-20 07:00:54,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868180648] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:00:54,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:00:54,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [2] total 5 [2021-11-20 07:00:54,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588388494] [2021-11-20 07:00:54,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:00:54,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:00:54,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:00:54,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:00:54,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-20 07:00:54,756 INFO L87 Difference]: Start difference. First operand 1675 states and 2252 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:00:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:00:59,811 INFO L93 Difference]: Finished difference Result 2216 states and 2977 transitions. [2021-11-20 07:00:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:00:59,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 106 [2021-11-20 07:00:59,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:00:59,817 INFO L225 Difference]: With dead ends: 2216 [2021-11-20 07:00:59,817 INFO L226 Difference]: Without dead ends: 2216 [2021-11-20 07:00:59,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=19, Invalid=22, Unknown=1, NotChecked=0, Total=42 [2021-11-20 07:00:59,817 INFO L933 BasicCegarLoop]: 826 mSDtfsCounter, 260 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 455 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:00:59,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 1814 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 455 Unchecked, 2.6s Time] [2021-11-20 07:00:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2021-11-20 07:00:59,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 1674. [2021-11-20 07:00:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1041 states have (on average 1.5609990393852065) internal successors, (1625), 1230 states have internal predecessors, (1625), 313 states have call successors, (313), 162 states have call predecessors, (313), 162 states have return successors, (313), 295 states have call predecessors, (313), 313 states have call successors, (313) [2021-11-20 07:00:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2251 transitions. [2021-11-20 07:00:59,840 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2251 transitions. Word has length 106 [2021-11-20 07:00:59,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:00:59,840 INFO L470 AbstractCegarLoop]: Abstraction has 1674 states and 2251 transitions. [2021-11-20 07:00:59,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:00:59,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2251 transitions. [2021-11-20 07:00:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-20 07:00:59,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:00:59,841 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:00:59,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:00,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:01:00,041 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting cdev_addErr6REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:01:00,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:00,042 INFO L85 PathProgramCache]: Analyzing trace with hash -578508750, now seen corresponding path program 1 times [2021-11-20 07:01:00,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:01:00,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422465211] [2021-11-20 07:01:00,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:00,043 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:01:00,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:01:00,043 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:01:00,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-20 07:01:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:00,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:01:00,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:01:00,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:01:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:01:00,817 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:01:00,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422465211] [2021-11-20 07:01:00,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422465211] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:00,817 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:00,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 07:01:00,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379604194] [2021-11-20 07:01:00,817 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:00,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:01:00,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:01:00,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:01:00,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:01:00,818 INFO L87 Difference]: Start difference. First operand 1674 states and 2251 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-20 07:01:02,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:02,012 INFO L93 Difference]: Finished difference Result 2800 states and 3838 transitions. [2021-11-20 07:01:02,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:01:02,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 107 [2021-11-20 07:01:02,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:02,017 INFO L225 Difference]: With dead ends: 2800 [2021-11-20 07:01:02,018 INFO L226 Difference]: Without dead ends: 2800 [2021-11-20 07:01:02,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:01:02,018 INFO L933 BasicCegarLoop]: 900 mSDtfsCounter, 695 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:02,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [695 Valid, 1209 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 07:01:02,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2021-11-20 07:01:02,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2696. [2021-11-20 07:01:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1717 states have (on average 1.57251019219569) internal successors, (2700), 1929 states have internal predecessors, (2700), 540 states have call successors, (540), 281 states have call predecessors, (540), 282 states have return successors, (541), 508 states have call predecessors, (541), 540 states have call successors, (541) [2021-11-20 07:01:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3781 transitions. [2021-11-20 07:01:02,078 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3781 transitions. Word has length 107 [2021-11-20 07:01:02,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:02,078 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 3781 transitions. [2021-11-20 07:01:02,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-20 07:01:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3781 transitions. [2021-11-20 07:01:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-20 07:01:02,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:02,079 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:02,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:02,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:01:02,290 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting cdev_addErr7REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:01:02,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:02,290 INFO L85 PathProgramCache]: Analyzing trace with hash -578508749, now seen corresponding path program 1 times [2021-11-20 07:01:02,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:01:02,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339857825] [2021-11-20 07:01:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:02,291 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:01:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:01:02,292 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:01:02,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-20 07:01:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:03,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:01:03,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:04,906 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 07:01:04,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2021-11-20 07:01:04,913 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:01:04,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2021-11-20 07:01:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 07:01:05,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:01:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:01:09,359 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:01:09,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339857825] [2021-11-20 07:01:09,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339857825] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:01:09,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:01:09,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [2] total 5 [2021-11-20 07:01:09,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379427152] [2021-11-20 07:01:09,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:09,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:01:09,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:01:09,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:01:09,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:09,361 INFO L87 Difference]: Start difference. First operand 2696 states and 3781 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:01:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:16,048 INFO L93 Difference]: Finished difference Result 2755 states and 3794 transitions. [2021-11-20 07:01:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:16,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 107 [2021-11-20 07:01:16,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:16,054 INFO L225 Difference]: With dead ends: 2755 [2021-11-20 07:01:16,054 INFO L226 Difference]: Without dead ends: 2755 [2021-11-20 07:01:16,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:01:16,054 INFO L933 BasicCegarLoop]: 826 mSDtfsCounter, 257 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 376 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:16,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 1828 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 263 Invalid, 0 Unknown, 376 Unchecked, 2.6s Time] [2021-11-20 07:01:16,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2021-11-20 07:01:16,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2695. [2021-11-20 07:01:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 1717 states have (on average 1.5719277810133954) internal successors, (2699), 1928 states have internal predecessors, (2699), 540 states have call successors, (540), 281 states have call predecessors, (540), 282 states have return successors, (541), 508 states have call predecessors, (541), 540 states have call successors, (541) [2021-11-20 07:01:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3780 transitions. [2021-11-20 07:01:16,093 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3780 transitions. Word has length 107 [2021-11-20 07:01:16,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:16,093 INFO L470 AbstractCegarLoop]: Abstraction has 2695 states and 3780 transitions. [2021-11-20 07:01:16,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:01:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3780 transitions. [2021-11-20 07:01:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-20 07:01:16,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:16,095 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:16,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:16,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:01:16,298 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting cdev_addErr9REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:01:16,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash -753901039, now seen corresponding path program 1 times [2021-11-20 07:01:16,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:01:16,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503270578] [2021-11-20 07:01:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:16,299 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:01:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:01:16,300 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:01:16,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-20 07:01:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:17,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:01:17,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:18,965 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 07:01:18,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2021-11-20 07:01:18,975 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:01:18,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2021-11-20 07:01:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 07:01:19,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:01:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:01:23,457 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:01:23,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503270578] [2021-11-20 07:01:23,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503270578] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:01:23,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:01:23,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [2] total 5 [2021-11-20 07:01:23,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382829833] [2021-11-20 07:01:23,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:23,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:01:23,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:01:23,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:01:23,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:01:23,458 INFO L87 Difference]: Start difference. First operand 2695 states and 3780 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:01:30,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:30,114 INFO L93 Difference]: Finished difference Result 2754 states and 3793 transitions. [2021-11-20 07:01:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:30,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2021-11-20 07:01:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:30,120 INFO L225 Difference]: With dead ends: 2754 [2021-11-20 07:01:30,120 INFO L226 Difference]: Without dead ends: 2754 [2021-11-20 07:01:30,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:01:30,120 INFO L933 BasicCegarLoop]: 826 mSDtfsCounter, 255 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 430 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:30,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 1828 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 262 Invalid, 0 Unknown, 430 Unchecked, 2.5s Time] [2021-11-20 07:01:30,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2021-11-20 07:01:30,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2694. [2021-11-20 07:01:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 1717 states have (on average 1.5713453698311008) internal successors, (2698), 1927 states have internal predecessors, (2698), 540 states have call successors, (540), 281 states have call predecessors, (540), 282 states have return successors, (541), 508 states have call predecessors, (541), 540 states have call successors, (541) [2021-11-20 07:01:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3779 transitions. [2021-11-20 07:01:30,170 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3779 transitions. Word has length 108 [2021-11-20 07:01:30,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:30,170 INFO L470 AbstractCegarLoop]: Abstraction has 2694 states and 3779 transitions. [2021-11-20 07:01:30,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:01:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3779 transitions. [2021-11-20 07:01:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-20 07:01:30,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:30,172 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:30,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:30,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:01:30,393 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting cdev_addErr11REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:01:30,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:30,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1896094730, now seen corresponding path program 1 times [2021-11-20 07:01:30,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:01:30,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241655071] [2021-11-20 07:01:30,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:30,394 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:01:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:01:30,395 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:01:30,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-20 07:01:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:31,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:01:31,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:33,081 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 07:01:33,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2021-11-20 07:01:33,087 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:01:33,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2021-11-20 07:01:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 07:01:33,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:01:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:01:39,132 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:01:39,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241655071] [2021-11-20 07:01:39,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241655071] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:01:39,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:01:39,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [2] total 5 [2021-11-20 07:01:39,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54828543] [2021-11-20 07:01:39,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:39,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:01:39,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:01:39,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:01:39,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=17, Unknown=1, NotChecked=0, Total=30 [2021-11-20 07:01:39,134 INFO L87 Difference]: Start difference. First operand 2694 states and 3779 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:01:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:47,945 INFO L93 Difference]: Finished difference Result 2753 states and 3792 transitions. [2021-11-20 07:01:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:47,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 109 [2021-11-20 07:01:47,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:47,951 INFO L225 Difference]: With dead ends: 2753 [2021-11-20 07:01:47,951 INFO L226 Difference]: Without dead ends: 2753 [2021-11-20 07:01:47,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=17, Invalid=23, Unknown=2, NotChecked=0, Total=42 [2021-11-20 07:01:47,952 INFO L933 BasicCegarLoop]: 826 mSDtfsCounter, 253 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 396 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:47,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 1814 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 261 Invalid, 0 Unknown, 396 Unchecked, 2.6s Time] [2021-11-20 07:01:47,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2021-11-20 07:01:47,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2693. [2021-11-20 07:01:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 1717 states have (on average 1.570762958648806) internal successors, (2697), 1926 states have internal predecessors, (2697), 540 states have call successors, (540), 281 states have call predecessors, (540), 282 states have return successors, (541), 508 states have call predecessors, (541), 540 states have call successors, (541) [2021-11-20 07:01:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 3778 transitions. [2021-11-20 07:01:47,999 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 3778 transitions. Word has length 109 [2021-11-20 07:01:47,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:48,000 INFO L470 AbstractCegarLoop]: Abstraction has 2693 states and 3778 transitions. [2021-11-20 07:01:48,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:01:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3778 transitions. [2021-11-20 07:01:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-20 07:01:48,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:48,001 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:48,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:48,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:01:48,218 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:01:48,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:48,219 INFO L85 PathProgramCache]: Analyzing trace with hash -844434734, now seen corresponding path program 1 times [2021-11-20 07:01:48,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:01:48,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115995520] [2021-11-20 07:01:48,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:48,220 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:01:48,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:01:48,220 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:01:48,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-20 07:01:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:48,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:01:48,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:01:49,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:01:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-20 07:01:49,515 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:01:49,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115995520] [2021-11-20 07:01:49,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115995520] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:01:49,515 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:01:49,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 07:01:49,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839030518] [2021-11-20 07:01:49,515 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:01:49,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:01:49,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:01:49,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:01:49,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:01:49,517 INFO L87 Difference]: Start difference. First operand 2693 states and 3778 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2021-11-20 07:01:51,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:53,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:01:53,378 INFO L93 Difference]: Finished difference Result 3253 states and 4510 transitions. [2021-11-20 07:01:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:01:53,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 121 [2021-11-20 07:01:53,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:01:53,388 INFO L225 Difference]: With dead ends: 3253 [2021-11-20 07:01:53,389 INFO L226 Difference]: Without dead ends: 3253 [2021-11-20 07:01:53,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:01:53,389 INFO L933 BasicCegarLoop]: 695 mSDtfsCounter, 901 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 383 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:01:53,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [964 Valid, 2072 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 797 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 07:01:53,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2021-11-20 07:01:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 3173. [2021-11-20 07:01:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3173 states, 2032 states have (on average 1.5733267716535433) internal successors, (3197), 2251 states have internal predecessors, (3197), 647 states have call successors, (647), 339 states have call predecessors, (647), 340 states have return successors, (648), 609 states have call predecessors, (648), 647 states have call successors, (648) [2021-11-20 07:01:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 4492 transitions. [2021-11-20 07:01:53,446 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 4492 transitions. Word has length 121 [2021-11-20 07:01:53,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:01:53,447 INFO L470 AbstractCegarLoop]: Abstraction has 3173 states and 4492 transitions. [2021-11-20 07:01:53,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 6 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2021-11-20 07:01:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 4492 transitions. [2021-11-20 07:01:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-20 07:01:53,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:01:53,448 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:01:53,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-20 07:01:53,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:01:53,667 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:01:53,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:01:53,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1807226178, now seen corresponding path program 1 times [2021-11-20 07:01:53,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:01:53,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798825543] [2021-11-20 07:01:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:01:53,668 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:01:53,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:01:53,669 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:01:53,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-20 07:01:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:01:55,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:01:55,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:01:55,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-20 07:01:55,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2021-11-20 07:02:05,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-20 07:02:13,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2021-11-20 07:02:38,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2021-11-20 07:02:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-20 07:02:42,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:02:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-20 07:02:52,600 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:02:52,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798825543] [2021-11-20 07:02:52,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798825543] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:02:52,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:02:52,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2021-11-20 07:02:52,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988889694] [2021-11-20 07:02:52,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:02:52,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:02:52,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:02:52,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:02:52,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=46, Unknown=5, NotChecked=0, Total=72 [2021-11-20 07:02:52,601 INFO L87 Difference]: Start difference. First operand 3173 states and 4492 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-20 07:02:54,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:56,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:58,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:02:58,031 INFO L93 Difference]: Finished difference Result 3216 states and 4501 transitions. [2021-11-20 07:02:58,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:02:58,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 121 [2021-11-20 07:02:58,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:02:58,040 INFO L225 Difference]: With dead ends: 3216 [2021-11-20 07:02:58,040 INFO L226 Difference]: Without dead ends: 3176 [2021-11-20 07:02:58,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 206 SyntacticMatches, 27 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 56.3s TimeCoverageRelationStatistics Valid=21, Invalid=46, Unknown=5, NotChecked=0, Total=72 [2021-11-20 07:02:58,041 INFO L933 BasicCegarLoop]: 712 mSDtfsCounter, 128 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 2285 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 198 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:02:58,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 2285 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 449 Invalid, 2 Unknown, 198 Unchecked, 5.4s Time] [2021-11-20 07:02:58,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2021-11-20 07:02:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3141. [2021-11-20 07:02:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3141 states, 2016 states have (on average 1.5768849206349207) internal successors, (3179), 2235 states have internal predecessors, (3179), 639 states have call successors, (639), 339 states have call predecessors, (639), 332 states have return successors, (624), 593 states have call predecessors, (624), 623 states have call successors, (624) [2021-11-20 07:02:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 3141 states and 4442 transitions. [2021-11-20 07:02:58,099 INFO L78 Accepts]: Start accepts. Automaton has 3141 states and 4442 transitions. Word has length 121 [2021-11-20 07:02:58,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:02:58,100 INFO L470 AbstractCegarLoop]: Abstraction has 3141 states and 4442 transitions. [2021-11-20 07:02:58,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-20 07:02:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 4442 transitions. [2021-11-20 07:02:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-20 07:02:58,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:02:58,102 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:02:58,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:58,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:02:58,318 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:02:58,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:58,318 INFO L85 PathProgramCache]: Analyzing trace with hash -2002999623, now seen corresponding path program 1 times [2021-11-20 07:02:58,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:02:58,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304099486] [2021-11-20 07:02:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:58,320 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:02:58,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:02:58,321 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:02:58,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-20 07:02:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:02:58,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 07:02:58,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:02:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-20 07:02:59,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:02:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-20 07:02:59,771 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:02:59,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304099486] [2021-11-20 07:02:59,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304099486] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:02:59,771 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:02:59,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 10] imperfect sequences [] total 21 [2021-11-20 07:02:59,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159402737] [2021-11-20 07:02:59,772 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:02:59,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 07:02:59,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:02:59,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 07:02:59,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-11-20 07:02:59,773 INFO L87 Difference]: Start difference. First operand 3141 states and 4442 transitions. Second operand has 21 states, 21 states have (on average 3.857142857142857) internal successors, (81), 18 states have internal predecessors, (81), 4 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-20 07:03:00,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:03:00,516 INFO L93 Difference]: Finished difference Result 2108 states and 2902 transitions. [2021-11-20 07:03:00,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 07:03:00,517 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.857142857142857) internal successors, (81), 18 states have internal predecessors, (81), 4 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2021-11-20 07:03:00,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:03:00,522 INFO L225 Difference]: With dead ends: 2108 [2021-11-20 07:03:00,522 INFO L226 Difference]: Without dead ends: 2084 [2021-11-20 07:03:00,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2021-11-20 07:03:00,523 INFO L933 BasicCegarLoop]: 723 mSDtfsCounter, 66 mSDsluCounter, 10047 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 10770 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:03:00,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 10770 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 07:03:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2021-11-20 07:03:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 2078. [2021-11-20 07:03:00,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2078 states, 1317 states have (on average 1.5732725892179196) internal successors, (2072), 1514 states have internal predecessors, (2072), 401 states have call successors, (401), 206 states have call predecessors, (401), 206 states have return successors, (401), 374 states have call predecessors, (401), 401 states have call successors, (401) [2021-11-20 07:03:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 2874 transitions. [2021-11-20 07:03:00,559 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 2874 transitions. Word has length 128 [2021-11-20 07:03:00,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:03:00,560 INFO L470 AbstractCegarLoop]: Abstraction has 2078 states and 2874 transitions. [2021-11-20 07:03:00,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.857142857142857) internal successors, (81), 18 states have internal predecessors, (81), 4 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-20 07:03:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2874 transitions. [2021-11-20 07:03:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-20 07:03:00,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:03:00,562 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:03:00,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-20 07:03:00,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:03:00,777 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:03:00,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:03:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1231645919, now seen corresponding path program 1 times [2021-11-20 07:03:00,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:03:00,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260982550] [2021-11-20 07:03:00,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:03:00,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:03:00,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:03:00,780 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:03:00,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-20 07:03:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:01,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:03:01,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:03:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-20 07:03:01,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:03:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-20 07:03:01,827 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:03:01,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260982550] [2021-11-20 07:03:01,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260982550] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:03:01,827 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:03:01,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 07:03:01,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929602552] [2021-11-20 07:03:01,828 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:03:01,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:03:01,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:03:01,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:03:01,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:03:01,829 INFO L87 Difference]: Start difference. First operand 2078 states and 2874 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:03:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:03:01,844 INFO L93 Difference]: Finished difference Result 2076 states and 2870 transitions. [2021-11-20 07:03:01,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:03:01,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2021-11-20 07:03:01,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:03:01,849 INFO L225 Difference]: With dead ends: 2076 [2021-11-20 07:03:01,849 INFO L226 Difference]: Without dead ends: 2076 [2021-11-20 07:03:01,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:03:01,850 INFO L933 BasicCegarLoop]: 729 mSDtfsCounter, 0 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:03:01,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2183 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:03:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2021-11-20 07:03:01,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2076. [2021-11-20 07:03:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2076 states, 1316 states have (on average 1.5729483282674772) internal successors, (2070), 1512 states have internal predecessors, (2070), 400 states have call successors, (400), 206 states have call predecessors, (400), 206 states have return successors, (400), 373 states have call predecessors, (400), 400 states have call successors, (400) [2021-11-20 07:03:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2870 transitions. [2021-11-20 07:03:01,887 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2870 transitions. Word has length 137 [2021-11-20 07:03:01,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:03:01,887 INFO L470 AbstractCegarLoop]: Abstraction has 2076 states and 2870 transitions. [2021-11-20 07:03:01,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:03:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2870 transitions. [2021-11-20 07:03:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-20 07:03:01,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:03:01,889 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:03:01,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-11-20 07:03:02,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:03:02,103 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-11-20 07:03:02,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:03:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2065698045, now seen corresponding path program 1 times [2021-11-20 07:03:02,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:03:02,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14635217] [2021-11-20 07:03:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:03:02,105 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:03:02,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:03:02,105 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:03:02,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-20 07:03:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:03:03,984 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:03:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:03:06,080 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-20 07:03:06,080 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:03:06,081 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK (204 of 205 remaining) [2021-11-20 07:03:06,082 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr0REQUIRES_VIOLATION (203 of 205 remaining) [2021-11-20 07:03:06,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr1REQUIRES_VIOLATION (202 of 205 remaining) [2021-11-20 07:03:06,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr2REQUIRES_VIOLATION (201 of 205 remaining) [2021-11-20 07:03:06,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr3REQUIRES_VIOLATION (200 of 205 remaining) [2021-11-20 07:03:06,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr0REQUIRES_VIOLATION (199 of 205 remaining) [2021-11-20 07:03:06,083 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr1REQUIRES_VIOLATION (198 of 205 remaining) [2021-11-20 07:03:06,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr0REQUIRES_VIOLATION (197 of 205 remaining) [2021-11-20 07:03:06,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr1REQUIRES_VIOLATION (196 of 205 remaining) [2021-11-20 07:03:06,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0REQUIRES_VIOLATION (195 of 205 remaining) [2021-11-20 07:03:06,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1REQUIRES_VIOLATION (194 of 205 remaining) [2021-11-20 07:03:06,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2REQUIRES_VIOLATION (193 of 205 remaining) [2021-11-20 07:03:06,084 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3REQUIRES_VIOLATION (192 of 205 remaining) [2021-11-20 07:03:06,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4REQUIRES_VIOLATION (191 of 205 remaining) [2021-11-20 07:03:06,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5REQUIRES_VIOLATION (190 of 205 remaining) [2021-11-20 07:03:06,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr6REQUIRES_VIOLATION (189 of 205 remaining) [2021-11-20 07:03:06,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr7REQUIRES_VIOLATION (188 of 205 remaining) [2021-11-20 07:03:06,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr8REQUIRES_VIOLATION (187 of 205 remaining) [2021-11-20 07:03:06,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr9REQUIRES_VIOLATION (186 of 205 remaining) [2021-11-20 07:03:06,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr0REQUIRES_VIOLATION (185 of 205 remaining) [2021-11-20 07:03:06,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr1REQUIRES_VIOLATION (184 of 205 remaining) [2021-11-20 07:03:06,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr0REQUIRES_VIOLATION (183 of 205 remaining) [2021-11-20 07:03:06,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr1REQUIRES_VIOLATION (182 of 205 remaining) [2021-11-20 07:03:06,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr0REQUIRES_VIOLATION (181 of 205 remaining) [2021-11-20 07:03:06,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr1REQUIRES_VIOLATION (180 of 205 remaining) [2021-11-20 07:03:06,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr0REQUIRES_VIOLATION (179 of 205 remaining) [2021-11-20 07:03:06,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr1REQUIRES_VIOLATION (178 of 205 remaining) [2021-11-20 07:03:06,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr0REQUIRES_VIOLATION (177 of 205 remaining) [2021-11-20 07:03:06,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr1REQUIRES_VIOLATION (176 of 205 remaining) [2021-11-20 07:03:06,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (175 of 205 remaining) [2021-11-20 07:03:06,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (174 of 205 remaining) [2021-11-20 07:03:06,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (173 of 205 remaining) [2021-11-20 07:03:06,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (172 of 205 remaining) [2021-11-20 07:03:06,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (171 of 205 remaining) [2021-11-20 07:03:06,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (170 of 205 remaining) [2021-11-20 07:03:06,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION (169 of 205 remaining) [2021-11-20 07:03:06,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION (168 of 205 remaining) [2021-11-20 07:03:06,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION (167 of 205 remaining) [2021-11-20 07:03:06,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION (166 of 205 remaining) [2021-11-20 07:03:06,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION (165 of 205 remaining) [2021-11-20 07:03:06,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION (164 of 205 remaining) [2021-11-20 07:03:06,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION (163 of 205 remaining) [2021-11-20 07:03:06,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION (162 of 205 remaining) [2021-11-20 07:03:06,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION (161 of 205 remaining) [2021-11-20 07:03:06,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION (160 of 205 remaining) [2021-11-20 07:03:06,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION (159 of 205 remaining) [2021-11-20 07:03:06,094 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION (158 of 205 remaining) [2021-11-20 07:03:06,094 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATION (157 of 205 remaining) [2021-11-20 07:03:06,094 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATION (156 of 205 remaining) [2021-11-20 07:03:06,094 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATION (155 of 205 remaining) [2021-11-20 07:03:06,094 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATION (154 of 205 remaining) [2021-11-20 07:03:06,094 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATION (153 of 205 remaining) [2021-11-20 07:03:06,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATION (152 of 205 remaining) [2021-11-20 07:03:06,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATION (151 of 205 remaining) [2021-11-20 07:03:06,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATION (150 of 205 remaining) [2021-11-20 07:03:06,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATION (149 of 205 remaining) [2021-11-20 07:03:06,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATION (148 of 205 remaining) [2021-11-20 07:03:06,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATION (147 of 205 remaining) [2021-11-20 07:03:06,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATION (146 of 205 remaining) [2021-11-20 07:03:06,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATION (145 of 205 remaining) [2021-11-20 07:03:06,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATION (144 of 205 remaining) [2021-11-20 07:03:06,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATION (143 of 205 remaining) [2021-11-20 07:03:06,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATION (142 of 205 remaining) [2021-11-20 07:03:06,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATION (141 of 205 remaining) [2021-11-20 07:03:06,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATION (140 of 205 remaining) [2021-11-20 07:03:06,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATION (139 of 205 remaining) [2021-11-20 07:03:06,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATION (138 of 205 remaining) [2021-11-20 07:03:06,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATION (137 of 205 remaining) [2021-11-20 07:03:06,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATION (136 of 205 remaining) [2021-11-20 07:03:06,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATION (135 of 205 remaining) [2021-11-20 07:03:06,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATION (134 of 205 remaining) [2021-11-20 07:03:06,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATION (133 of 205 remaining) [2021-11-20 07:03:06,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATION (132 of 205 remaining) [2021-11-20 07:03:06,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATION (131 of 205 remaining) [2021-11-20 07:03:06,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATION (130 of 205 remaining) [2021-11-20 07:03:06,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATION (129 of 205 remaining) [2021-11-20 07:03:06,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATION (128 of 205 remaining) [2021-11-20 07:03:06,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATION (127 of 205 remaining) [2021-11-20 07:03:06,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATION (126 of 205 remaining) [2021-11-20 07:03:06,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATION (125 of 205 remaining) [2021-11-20 07:03:06,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATION (124 of 205 remaining) [2021-11-20 07:03:06,099 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATION (123 of 205 remaining) [2021-11-20 07:03:06,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATION (122 of 205 remaining) [2021-11-20 07:03:06,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATION (121 of 205 remaining) [2021-11-20 07:03:06,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATION (120 of 205 remaining) [2021-11-20 07:03:06,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATION (119 of 205 remaining) [2021-11-20 07:03:06,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATION (118 of 205 remaining) [2021-11-20 07:03:06,100 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATION (117 of 205 remaining) [2021-11-20 07:03:06,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATION (116 of 205 remaining) [2021-11-20 07:03:06,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATION (115 of 205 remaining) [2021-11-20 07:03:06,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATION (114 of 205 remaining) [2021-11-20 07:03:06,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATION (113 of 205 remaining) [2021-11-20 07:03:06,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATION (112 of 205 remaining) [2021-11-20 07:03:06,101 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATION (111 of 205 remaining) [2021-11-20 07:03:06,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATION (110 of 205 remaining) [2021-11-20 07:03:06,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATION (109 of 205 remaining) [2021-11-20 07:03:06,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATION (108 of 205 remaining) [2021-11-20 07:03:06,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATION (107 of 205 remaining) [2021-11-20 07:03:06,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATION (106 of 205 remaining) [2021-11-20 07:03:06,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATION (105 of 205 remaining) [2021-11-20 07:03:06,102 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATION (104 of 205 remaining) [2021-11-20 07:03:06,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATION (103 of 205 remaining) [2021-11-20 07:03:06,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATION (102 of 205 remaining) [2021-11-20 07:03:06,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATION (101 of 205 remaining) [2021-11-20 07:03:06,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATION (100 of 205 remaining) [2021-11-20 07:03:06,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATION (99 of 205 remaining) [2021-11-20 07:03:06,103 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATION (98 of 205 remaining) [2021-11-20 07:03:06,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATION (97 of 205 remaining) [2021-11-20 07:03:06,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATION (96 of 205 remaining) [2021-11-20 07:03:06,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATION (95 of 205 remaining) [2021-11-20 07:03:06,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATION (94 of 205 remaining) [2021-11-20 07:03:06,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82REQUIRES_VIOLATION (93 of 205 remaining) [2021-11-20 07:03:06,104 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83REQUIRES_VIOLATION (92 of 205 remaining) [2021-11-20 07:03:06,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84REQUIRES_VIOLATION (91 of 205 remaining) [2021-11-20 07:03:06,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85REQUIRES_VIOLATION (90 of 205 remaining) [2021-11-20 07:03:06,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86REQUIRES_VIOLATION (89 of 205 remaining) [2021-11-20 07:03:06,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87REQUIRES_VIOLATION (88 of 205 remaining) [2021-11-20 07:03:06,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88REQUIRES_VIOLATION (87 of 205 remaining) [2021-11-20 07:03:06,105 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89REQUIRES_VIOLATION (86 of 205 remaining) [2021-11-20 07:03:06,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90REQUIRES_VIOLATION (85 of 205 remaining) [2021-11-20 07:03:06,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91REQUIRES_VIOLATION (84 of 205 remaining) [2021-11-20 07:03:06,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92REQUIRES_VIOLATION (83 of 205 remaining) [2021-11-20 07:03:06,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93REQUIRES_VIOLATION (82 of 205 remaining) [2021-11-20 07:03:06,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94REQUIRES_VIOLATION (81 of 205 remaining) [2021-11-20 07:03:06,106 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95REQUIRES_VIOLATION (80 of 205 remaining) [2021-11-20 07:03:06,107 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96REQUIRES_VIOLATION (79 of 205 remaining) [2021-11-20 07:03:06,107 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97REQUIRES_VIOLATION (78 of 205 remaining) [2021-11-20 07:03:06,107 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98REQUIRES_VIOLATION (77 of 205 remaining) [2021-11-20 07:03:06,107 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99REQUIRES_VIOLATION (76 of 205 remaining) [2021-11-20 07:03:06,107 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100REQUIRES_VIOLATION (75 of 205 remaining) [2021-11-20 07:03:06,107 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101REQUIRES_VIOLATION (74 of 205 remaining) [2021-11-20 07:03:06,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102REQUIRES_VIOLATION (73 of 205 remaining) [2021-11-20 07:03:06,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103REQUIRES_VIOLATION (72 of 205 remaining) [2021-11-20 07:03:06,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104REQUIRES_VIOLATION (71 of 205 remaining) [2021-11-20 07:03:06,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105REQUIRES_VIOLATION (70 of 205 remaining) [2021-11-20 07:03:06,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106REQUIRES_VIOLATION (69 of 205 remaining) [2021-11-20 07:03:06,108 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107REQUIRES_VIOLATION (68 of 205 remaining) [2021-11-20 07:03:06,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108REQUIRES_VIOLATION (67 of 205 remaining) [2021-11-20 07:03:06,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109REQUIRES_VIOLATION (66 of 205 remaining) [2021-11-20 07:03:06,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110REQUIRES_VIOLATION (65 of 205 remaining) [2021-11-20 07:03:06,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111REQUIRES_VIOLATION (64 of 205 remaining) [2021-11-20 07:03:06,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112REQUIRES_VIOLATION (63 of 205 remaining) [2021-11-20 07:03:06,109 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113REQUIRES_VIOLATION (62 of 205 remaining) [2021-11-20 07:03:06,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114REQUIRES_VIOLATION (61 of 205 remaining) [2021-11-20 07:03:06,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115REQUIRES_VIOLATION (60 of 205 remaining) [2021-11-20 07:03:06,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116REQUIRES_VIOLATION (59 of 205 remaining) [2021-11-20 07:03:06,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117REQUIRES_VIOLATION (58 of 205 remaining) [2021-11-20 07:03:06,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118REQUIRES_VIOLATION (57 of 205 remaining) [2021-11-20 07:03:06,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119REQUIRES_VIOLATION (56 of 205 remaining) [2021-11-20 07:03:06,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120REQUIRES_VIOLATION (55 of 205 remaining) [2021-11-20 07:03:06,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121REQUIRES_VIOLATION (54 of 205 remaining) [2021-11-20 07:03:06,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122REQUIRES_VIOLATION (53 of 205 remaining) [2021-11-20 07:03:06,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123REQUIRES_VIOLATION (52 of 205 remaining) [2021-11-20 07:03:06,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124REQUIRES_VIOLATION (51 of 205 remaining) [2021-11-20 07:03:06,111 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125REQUIRES_VIOLATION (50 of 205 remaining) [2021-11-20 07:03:06,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126REQUIRES_VIOLATION (49 of 205 remaining) [2021-11-20 07:03:06,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127REQUIRES_VIOLATION (48 of 205 remaining) [2021-11-20 07:03:06,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128REQUIRES_VIOLATION (47 of 205 remaining) [2021-11-20 07:03:06,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129REQUIRES_VIOLATION (46 of 205 remaining) [2021-11-20 07:03:06,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130REQUIRES_VIOLATION (45 of 205 remaining) [2021-11-20 07:03:06,112 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131REQUIRES_VIOLATION (44 of 205 remaining) [2021-11-20 07:03:06,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132REQUIRES_VIOLATION (43 of 205 remaining) [2021-11-20 07:03:06,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133REQUIRES_VIOLATION (42 of 205 remaining) [2021-11-20 07:03:06,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134REQUIRES_VIOLATION (41 of 205 remaining) [2021-11-20 07:03:06,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135REQUIRES_VIOLATION (40 of 205 remaining) [2021-11-20 07:03:06,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136REQUIRES_VIOLATION (39 of 205 remaining) [2021-11-20 07:03:06,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr137REQUIRES_VIOLATION (38 of 205 remaining) [2021-11-20 07:03:06,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr138REQUIRES_VIOLATION (37 of 205 remaining) [2021-11-20 07:03:06,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr139REQUIRES_VIOLATION (36 of 205 remaining) [2021-11-20 07:03:06,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr140REQUIRES_VIOLATION (35 of 205 remaining) [2021-11-20 07:03:06,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr141REQUIRES_VIOLATION (34 of 205 remaining) [2021-11-20 07:03:06,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr142REQUIRES_VIOLATION (33 of 205 remaining) [2021-11-20 07:03:06,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr143REQUIRES_VIOLATION (32 of 205 remaining) [2021-11-20 07:03:06,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr144REQUIRES_VIOLATION (31 of 205 remaining) [2021-11-20 07:03:06,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr145REQUIRES_VIOLATION (30 of 205 remaining) [2021-11-20 07:03:06,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr146REQUIRES_VIOLATION (29 of 205 remaining) [2021-11-20 07:03:06,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr147REQUIRES_VIOLATION (28 of 205 remaining) [2021-11-20 07:03:06,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr148REQUIRES_VIOLATION (27 of 205 remaining) [2021-11-20 07:03:06,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr149REQUIRES_VIOLATION (26 of 205 remaining) [2021-11-20 07:03:06,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr150REQUIRES_VIOLATION (25 of 205 remaining) [2021-11-20 07:03:06,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr151REQUIRES_VIOLATION (24 of 205 remaining) [2021-11-20 07:03:06,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr152REQUIRES_VIOLATION (23 of 205 remaining) [2021-11-20 07:03:06,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr153REQUIRES_VIOLATION (22 of 205 remaining) [2021-11-20 07:03:06,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr154REQUIRES_VIOLATION (21 of 205 remaining) [2021-11-20 07:03:06,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr155REQUIRES_VIOLATION (20 of 205 remaining) [2021-11-20 07:03:06,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr156REQUIRES_VIOLATION (19 of 205 remaining) [2021-11-20 07:03:06,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr157REQUIRES_VIOLATION (18 of 205 remaining) [2021-11-20 07:03:06,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr158REQUIRES_VIOLATION (17 of 205 remaining) [2021-11-20 07:03:06,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr159REQUIRES_VIOLATION (16 of 205 remaining) [2021-11-20 07:03:06,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr160REQUIRES_VIOLATION (15 of 205 remaining) [2021-11-20 07:03:06,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr161REQUIRES_VIOLATION (14 of 205 remaining) [2021-11-20 07:03:06,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr162REQUIRES_VIOLATION (13 of 205 remaining) [2021-11-20 07:03:06,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr163REQUIRES_VIOLATION (12 of 205 remaining) [2021-11-20 07:03:06,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr0REQUIRES_VIOLATION (11 of 205 remaining) [2021-11-20 07:03:06,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr1REQUIRES_VIOLATION (10 of 205 remaining) [2021-11-20 07:03:06,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr2REQUIRES_VIOLATION (9 of 205 remaining) [2021-11-20 07:03:06,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr3REQUIRES_VIOLATION (8 of 205 remaining) [2021-11-20 07:03:06,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr4REQUIRES_VIOLATION (7 of 205 remaining) [2021-11-20 07:03:06,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr5REQUIRES_VIOLATION (6 of 205 remaining) [2021-11-20 07:03:06,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr6REQUIRES_VIOLATION (5 of 205 remaining) [2021-11-20 07:03:06,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr7REQUIRES_VIOLATION (4 of 205 remaining) [2021-11-20 07:03:06,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr8REQUIRES_VIOLATION (3 of 205 remaining) [2021-11-20 07:03:06,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr9REQUIRES_VIOLATION (2 of 205 remaining) [2021-11-20 07:03:06,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr10REQUIRES_VIOLATION (1 of 205 remaining) [2021-11-20 07:03:06,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr11REQUIRES_VIOLATION (0 of 205 remaining) [2021-11-20 07:03:06,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-11-20 07:03:06,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:03:06,336 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:03:06,340 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:03:06,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:03:06 BoogieIcfgContainer [2021-11-20 07:03:06,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:03:06,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:03:06,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:03:06,633 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:03:06,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:54:27" (3/4) ... [2021-11-20 07:03:06,640 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:03:06,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:03:06,640 INFO L158 Benchmark]: Toolchain (without parser) took 527767.01ms. Allocated memory was 56.6MB in the beginning and 226.5MB in the end (delta: 169.9MB). Free memory was 29.9MB in the beginning and 156.0MB in the end (delta: -126.1MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-11-20 07:03:06,641 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:03:06,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2064.58ms. Allocated memory was 56.6MB in the beginning and 83.9MB in the end (delta: 27.3MB). Free memory was 29.7MB in the beginning and 50.2MB in the end (delta: -20.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2021-11-20 07:03:06,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 219.37ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 41.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:03:06,648 INFO L158 Benchmark]: Boogie Preprocessor took 140.96ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 33.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:03:06,648 INFO L158 Benchmark]: RCFGBuilder took 6296.96ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 33.4MB in the beginning and 108.8MB in the end (delta: -75.4MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2021-11-20 07:03:06,648 INFO L158 Benchmark]: TraceAbstraction took 519015.68ms. Allocated memory is still 226.5MB. Free memory was 108.8MB in the beginning and 156.0MB in the end (delta: -47.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-11-20 07:03:06,649 INFO L158 Benchmark]: Witness Printer took 21.31ms. Allocated memory is still 226.5MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:03:06,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2064.58ms. Allocated memory was 56.6MB in the beginning and 83.9MB in the end (delta: 27.3MB). Free memory was 29.7MB in the beginning and 50.2MB in the end (delta: -20.5MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 219.37ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 41.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.96ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 33.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6296.96ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 33.4MB in the beginning and 108.8MB in the end (delta: -75.4MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. * TraceAbstraction took 519015.68ms. Allocated memory is still 226.5MB. Free memory was 108.8MB in the beginning and 156.0MB in the end (delta: -47.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 21.31ms. Allocated memory is still 226.5MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1848]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of large string literal at line 1803, overapproximation of memtrack at line 1848. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2599] struct ddv_pci_driver registered_pci_driver; [L2610] struct registered_irq registered_irq[16]; [L2620] short number_tasklet_registered = 0; [L2627] struct ddv_tasklet tasklet_registered[1]; [L2637] short number_timer_registered = 0; [L2643] struct ddv_timer timer_registered[1]; [L2653] struct work_struct *shared_workqueue[10]; [L2663] spinlock_t kernel_lock; [L3349] request_queue_t fixed_request_queue[10]; [L3351] int number_request_queue_used = 0; [L3435] struct proc_dir_entry *proc_root_driver; [L3745] struct ddv_tty_driver global_tty_driver; [L3924] int ddv_ioport_request_start; [L3925] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={36:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2727] int err; [L2729] current_execution_context = 1 [L2731] CALL init_kernel() [L2667] int i; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4157] lock->init = 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4158] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] RET spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2671] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2675] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2675] COND TRUE i < 1 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2676] tasklet_registered[i].tasklet = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2677] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2675] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2675] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2731] RET init_kernel() [L2733] CALL, EXPR (* _ddv_module_init)() [L1776] int ret; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4484] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] CALL, EXPR zf_readw(0x02) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(port)=2, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, port=2, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1470] CALL, EXPR inw(0x21A) [L3964] return __VERIFIER_nondet_ushort(); [L1470] RET, EXPR inw(0x21A) [L1470] return inw(0x21A); [L1780] RET, EXPR zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_readw(0x02)=-32768, zf_timer={31:0}] [L1780] ret = zf_readw(0x02) [L1781] COND FALSE !((!ret) || (ret == 0xffff)) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1786] COND TRUE (action <= 3) && (action >= 0) [L1787] zf_action = zf_action>>action VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1791] CALL zf_show_action(action) [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={62:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] EXPR str[act] VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={62:0}, str[act]={15:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] CALL printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={19:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4484] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={19:0}, fmt={19:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] RET printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act])=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={62:0}, str[act]={15:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1791] RET zf_show_action(action) [L1793] CALL spin_lock_init(&zf_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4157] lock->init = 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, lock={29:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4158] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, lock={29:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1793] RET spin_lock_init(&zf_lock) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1794] CALL spin_lock_init(&zf_port_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4157] lock->init = 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, lock={30:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4158] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, lock={30:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1794] RET spin_lock_init(&zf_port_lock) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1796] CALL, EXPR misc_register(&zf_miscdev) [L3495] int i; [L3496] dev_t dev; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3498] COND TRUE fixed_cdev_used < 1 [L3499] i = fixed_cdev_used [L3500] fixed_cdev_used++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3502] fixed_cdev[i].owner = ((struct module *) 0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3503] EXPR misc->fops VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->fops={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3503] fixed_cdev[i].ops = misc->fops VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->fops={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3505] EXPR misc->minor VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->minor=130, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3505] dev = (((10) << 20) | (misc->minor)) [L3507] CALL, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3850] p->dev = dev VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3851] p->count = count VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3853] int return_value = __VERIFIER_nondet_int(); [L3854] CALL assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L10] COND FALSE !(!cond) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, cond=1, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3854] RET assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3856] COND TRUE return_value == 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3857] COND TRUE number_cdev_registered < 1 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3859] cdev_registered[number_cdev_registered].cdevp = p VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3860] cdev_registered[number_cdev_registered].inode.i_rdev = dev VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3861] cdev_registered[number_cdev_registered].inode.i_cdev = p VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3862] cdev_registered[number_cdev_registered].open = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3864] number_cdev_registered++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3870] return return_value; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, \result=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3507] RET, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_add(&fixed_cdev[i], dev, 0)=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3507] return cdev_add(&fixed_cdev[i], dev, 0); [L1796] RET, EXPR misc_register(&zf_miscdev) [L1796] ret = misc_register(&zf_miscdev) [L1797] COND FALSE !(\read(ret)) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1803] CALL, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=0, \old(ddv_ioport_request_start)=0, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, name={23:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3929] unsigned int i; [L3930] struct resource *resource = (struct resource*)malloc(sizeof(struct resource)); [L3935] ddv_ioport_request_start = start [L3936] ddv_ioport_request_len = len [L3938] return resource; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=0, \old(ddv_ioport_request_start)=0, \old(len)=3, \old(start)=536, \result={50:0}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, len=3, name={23:0}, name={23:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, resource={50:0}, shared_workqueue={43:0}, start=536, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1803] RET, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, request_region(0x218, 3, "MachZ ZFL WDT")={50:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1803] COND FALSE !(!request_region(0x218, 3, "MachZ ZFL WDT")) [L1810] CALL, EXPR register_reboot_notifier(&zf_notifier) [L4525] int i; [L4525] return i; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, dummy={34:0}, dummy={34:0}, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2147483648, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1810] RET, EXPR register_reboot_notifier(&zf_notifier) [L1810] ret = register_reboot_notifier(&zf_notifier) [L1811] COND TRUE \read(ret) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1812-L1813] CALL printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={25:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4484] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={25:0}, fmt={25:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1812-L1813] RET printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<3>" "can't register reboot notifier (err=%d)\n", ret)=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1828] CALL release_region(0x218, 3) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3943] unsigned int i = 0; [L3949] ddv_ioport_request_start = 0 [L3950] ddv_ioport_request_len = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, len=3, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, start=536, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1828] RET release_region(0x218, 3) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1830] CALL misc_deregister(&zf_miscdev) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4526] int i; [L4526] return i; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=49, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=49, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1830] RET misc_deregister(&zf_miscdev) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc_deregister(&zf_miscdev)=49, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1832] return ret; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2733] RET, EXPR (* _ddv_module_init)() [L2733] err = (* _ddv_module_init)() [L2735] COND TRUE \read(err) [L2736] return -1; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \result=-1, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, err=2147483648, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1852] RET call_ddv() [L1854] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] - UnprovableResult [Line: 4157]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4157]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4158]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4158]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1615]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1615]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4169]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4169]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4512]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4512]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4513]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4513]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1575]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1575]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4264]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4264]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4215]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4215]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4224]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4224]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4275]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4275]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4181]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4181]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2672]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2672]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2676]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2676]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2677]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2677]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1771]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1771]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3502]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3502]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3503]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3503]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3503]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3503]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4250]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4250]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4251]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4251]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4252]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4252]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1822]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1822]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1823]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1823]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2771]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2771]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2794]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2794]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2794]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2794]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2794]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2794]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2795]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2795]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2798]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2798]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2798]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2798]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2798]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2798]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2814]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2814]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2814]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2814]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2814]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2814]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2818]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2818]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2818]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2818]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2818]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2818]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2836]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2836]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2837]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2837]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2837]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2837]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2837]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2837]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2841]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2841]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2850]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2850]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2855]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2855]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3118]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3118]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3118]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3118]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3119]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3039]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3039]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3040]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3040]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3040]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3040]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4367]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4367]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4368]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4369]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4369]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3101]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3101]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3103]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3103]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3105]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3105]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3106]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3106]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3850]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3850]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3851]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3859]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3859]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3860]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3860]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3861]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3861]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3862]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3862]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 670 locations, 205 error locations. Started 1 CEGAR loops. OverallTime: 518.7s, OverallIterations: 42, TraceHistogramMax: 15, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 315.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 23480 SdHoareTripleChecker+Valid, 246.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23166 mSDsluCounter, 125306 SdHoareTripleChecker+Invalid, 232.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7440 IncrementalHoareTripleChecker+Unchecked, 93302 mSDsCounter, 1394 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30448 IncrementalHoareTripleChecker+Invalid, 39339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1394 mSolverCounterUnsat, 32004 mSDtfsCounter, 30448 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6151 GetRequests, 5752 SyntacticMatches, 55 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 151.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3173occurred in iteration=38, InterpolantAutomatonStates: 282, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 41 MinimizatonAttempts, 12349 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 25.4s SatisfiabilityAnalysisTime, 159.1s InterpolantComputationTime, 3215 NumberOfCodeBlocks, 3173 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 6062 ConstructedInterpolants, 1084 QuantifiedInterpolants, 67761 SizeOfPredicates, 80 NumberOfNonLiveVariables, 22160 ConjunctsInSsa, 287 ConjunctsInUnsatCore, 82 InterpolantComputations, 58 PerfectInterpolantSequences, 10165/10766 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 07:03:06,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c475ab-61bb-4cd8-a585-baeec2572038/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample