./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa --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 cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:59:19,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:59:19,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:59:19,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:59:19,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:59:19,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:59:19,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:59:19,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:59:19,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:59:19,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:59:19,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:59:19,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:59:19,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:59:19,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:59:19,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:59:19,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:59:19,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:59:19,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:59:19,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:59:19,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:59:19,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:59:19,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:59:19,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:59:19,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:59:19,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:59:19,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:59:19,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:59:19,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:59:19,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:59:19,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:59:19,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:59:19,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:59:19,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:59:19,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:59:19,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:59:19,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:59:19,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:59:19,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:59:19,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:59:19,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:59:19,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:59:19,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-06 17:59:19,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:59:19,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:59:19,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:59:19,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:59:19,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:59:19,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:59:19,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:59:19,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:59:19,418 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:59:19,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:59:19,418 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:59:19,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:59:19,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:59:19,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:59:19,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:59:19,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:59:19,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:59:19,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:59:19,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:59:19,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:59:19,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:59:19,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:59:19,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:59:19,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:59:19,421 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_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 [2021-12-06 17:59:19,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:59:19,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:59:19,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:59:19,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:59:19,603 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:59:19,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-06 17:59:19,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/afe0cf115/950ff4036ae546cb8b8643f4166bc838/FLAG203dacb41 [2021-12-06 17:59:20,180 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:59:20,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-06 17:59:20,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/afe0cf115/950ff4036ae546cb8b8643f4166bc838/FLAG203dacb41 [2021-12-06 17:59:20,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/afe0cf115/950ff4036ae546cb8b8643f4166bc838 [2021-12-06 17:59:20,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:59:20,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:59:20,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:59:20,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:59:20,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:59:20,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:59:20" (1/1) ... [2021-12-06 17:59:20,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0ec6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:20, skipping insertion in model container [2021-12-06 17:59:20,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:59:20" (1/1) ... [2021-12-06 17:59:20,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:59:20,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:59:20,863 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_1ccc06fe-6e38-4b8c-b380-842b632465f3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i[457,470] [2021-12-06 17:59:21,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:59:21,633 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) [2021-12-06 17:59:21,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32b226d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:21, skipping insertion in model container [2021-12-06 17:59:21,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:59:21,634 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-06 17:59:21,636 INFO L158 Benchmark]: Toolchain (without parser) took 977.67ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 55.6MB in the end (delta: 15.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-12-06 17:59:21,636 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:59:21,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.06ms. Allocated memory is still 109.1MB. Free memory was 71.3MB in the beginning and 55.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-12-06 17:59:21,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.06ms. Allocated memory is still 109.1MB. Free memory was 71.3MB in the beginning and 55.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2977]: 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_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa --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 cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:59:23,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:59:23,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:59:23,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:59:23,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:59:23,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:59:23,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:59:23,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:59:23,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:59:23,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:59:23,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:59:23,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:59:23,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:59:23,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:59:23,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:59:23,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:59:23,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:59:23,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:59:23,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:59:23,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:59:23,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:59:23,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:59:23,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:59:23,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:59:23,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:59:23,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:59:23,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:59:23,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:59:23,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:59:23,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:59:23,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:59:23,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:59:23,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:59:23,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:59:23,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:59:23,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:59:23,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:59:23,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:59:23,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:59:23,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:59:23,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:59:23,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-06 17:59:23,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:59:23,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:59:23,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:59:23,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:59:23,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:59:23,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:59:23,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:59:23,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:59:23,179 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:59:23,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:59:23,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:59:23,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:59:23,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:59:23,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:59:23,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:59:23,181 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 17:59:23,181 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 17:59:23,181 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 17:59:23,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:59:23,181 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:59:23,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 17:59:23,182 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 17:59:23,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:59:23,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:59:23,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:59:23,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:59:23,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:59:23,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:59:23,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:59:23,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:59:23,184 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 17:59:23,184 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 17:59:23,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:59:23,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 17:59:23,184 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_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 [2021-12-06 17:59:23,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:59:23,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:59:23,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:59:23,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:59:23,421 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:59:23,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-06 17:59:23,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/951781943/cced475a556f43259b0fef86690c0960/FLAGf3565a925 [2021-12-06 17:59:23,974 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:59:23,974 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-06 17:59:24,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/951781943/cced475a556f43259b0fef86690c0960/FLAGf3565a925 [2021-12-06 17:59:24,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/data/951781943/cced475a556f43259b0fef86690c0960 [2021-12-06 17:59:24,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:59:24,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:59:24,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:59:24,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:59:24,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:59:24,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:59:24" (1/1) ... [2021-12-06 17:59:24,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c86605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:24, skipping insertion in model container [2021-12-06 17:59:24,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:59:24" (1/1) ... [2021-12-06 17:59:24,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:59:24,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:59:24,710 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_1ccc06fe-6e38-4b8c-b380-842b632465f3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i[457,470] [2021-12-06 17:59:25,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:59:25,526 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 17:59:25,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:59:25,575 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_1ccc06fe-6e38-4b8c-b380-842b632465f3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i[457,470] [2021-12-06 17:59:25,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:59:25,684 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:59:25,692 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_1ccc06fe-6e38-4b8c-b380-842b632465f3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i[457,470] [2021-12-06 17:59:25,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:59:25,903 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:59:25,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25 WrapperNode [2021-12-06 17:59:25,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:59:25,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:59:25,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:59:25,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:59:25,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:25,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,016 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2021-12-06 17:59:26,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:59:26,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:59:26,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:59:26,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:59:26,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:59:26,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:59:26,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:59:26,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:59:26,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (1/1) ... [2021-12-06 17:59:26,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:59:26,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:59:26,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:59:26,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:59:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-06 17:59:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-06 17:59:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-06 17:59:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-06 17:59:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 17:59:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-06 17:59:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 17:59:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 17:59:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:59:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-06 17:59:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 17:59:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 17:59:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 17:59:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 17:59:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-06 17:59:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 17:59:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-06 17:59:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:59:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:59:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-06 17:59:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-06 17:59:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-06 17:59:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-06 17:59:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:59:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:59:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-06 17:59:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-06 17:59:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 17:59:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 17:59:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 17:59:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 17:59:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 17:59:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 17:59:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-06 17:59:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-06 17:59:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:59:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:59:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-06 17:59:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-06 17:59:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 17:59:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-06 17:59:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-06 17:59:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 17:59:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-06 17:59:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 17:59:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:59:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-06 17:59:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-06 17:59:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-06 17:59:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-06 17:59:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-06 17:59:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-06 17:59:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-06 17:59:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-06 17:59:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-06 17:59:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-06 17:59:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-06 17:59:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-06 17:59:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-06 17:59:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-06 17:59:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-06 17:59:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-06 17:59:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 17:59:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-06 17:59:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-06 17:59:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 17:59:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 17:59:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-06 17:59:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-06 17:59:26,373 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:59:26,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:59:30,800 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:59:30,810 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:59:30,810 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 17:59:30,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:59:30 BoogieIcfgContainer [2021-12-06 17:59:30,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:59:30,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:59:30,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:59:30,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:59:30,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:59:24" (1/3) ... [2021-12-06 17:59:30,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa7f5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:59:30, skipping insertion in model container [2021-12-06 17:59:30,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:59:25" (2/3) ... [2021-12-06 17:59:30,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa7f5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:59:30, skipping insertion in model container [2021-12-06 17:59:30,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:59:30" (3/3) ... [2021-12-06 17:59:30,819 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw_p.i [2021-12-06 17:59:30,822 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:59:30,822 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-12-06 17:59:30,853 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:59:30,858 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 [2021-12-06 17:59:30,858 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-12-06 17:59:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-12-06 17:59:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 17:59:30,884 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:30,884 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 17:59:30,884 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)] === [2021-12-06 17:59:30,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:30,888 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-12-06 17:59:30,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:59:30,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994612077] [2021-12-06 17:59:30,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:30,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:59:30,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:59:30,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:59:30,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 17:59:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:31,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:59:31,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:59:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:59:31,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:59:31,325 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:59:31,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994612077] [2021-12-06 17:59:31,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994612077] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:31,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:31,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:59:31,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004757980] [2021-12-06 17:59:31,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:31,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:59:31,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:59:31,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:59:31,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:31,361 INFO L87 Difference]: Start difference. First operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:59:33,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:35,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:37,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:37,657 INFO L93 Difference]: Finished difference Result 1204 states and 1443 transitions. [2021-12-06 17:59:37,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:37,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-12-06 17:59:37,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:37,673 INFO L225 Difference]: With dead ends: 1204 [2021-12-06 17:59:37,673 INFO L226 Difference]: Without dead ends: 1200 [2021-12-06 17:59:37,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:59:37,677 INFO L933 BasicCegarLoop]: 759 mSDtfsCounter, 687 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:37,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [688 Valid, 2484 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1106 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2021-12-06 17:59:37,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2021-12-06 17:59:37,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 987. [2021-12-06 17:59:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2021-12-06 17:59:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1347 transitions. [2021-12-06 17:59:37,754 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1347 transitions. Word has length 5 [2021-12-06 17:59:37,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:37,754 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1347 transitions. [2021-12-06 17:59:37,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:59:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1347 transitions. [2021-12-06 17:59:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 17:59:37,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:37,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 17:59:37,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:59:37,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:59:37,957 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)] === [2021-12-06 17:59:37,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:37,959 INFO L85 PathProgramCache]: Analyzing trace with hash 333908102, now seen corresponding path program 1 times [2021-12-06 17:59:37,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:59:37,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036595810] [2021-12-06 17:59:37,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:37,963 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:59:37,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:59:37,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:59:37,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 17:59:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:38,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:59:38,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:59:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:59:38,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:59:38,349 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:59:38,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036595810] [2021-12-06 17:59:38,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036595810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:38,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:38,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:59:38,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044296256] [2021-12-06 17:59:38,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:38,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:59:38,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:59:38,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:59:38,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:38,352 INFO L87 Difference]: Start difference. First operand 987 states and 1347 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:59:40,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:42,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:44,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:44,652 INFO L93 Difference]: Finished difference Result 1119 states and 1439 transitions. [2021-12-06 17:59:44,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:44,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-12-06 17:59:44,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:44,659 INFO L225 Difference]: With dead ends: 1119 [2021-12-06 17:59:44,659 INFO L226 Difference]: Without dead ends: 1119 [2021-12-06 17:59:44,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:59:44,660 INFO L933 BasicCegarLoop]: 840 mSDtfsCounter, 268 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2630 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:44,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 2630 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2021-12-06 17:59:44,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2021-12-06 17:59:44,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1060. [2021-12-06 17:59:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2021-12-06 17:59:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1435 transitions. [2021-12-06 17:59:44,691 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1435 transitions. Word has length 5 [2021-12-06 17:59:44,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:44,692 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1435 transitions. [2021-12-06 17:59:44,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:59:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1435 transitions. [2021-12-06 17:59:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:59:44,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:44,692 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:44,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 17:59:44,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:59:44,894 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)] === [2021-12-06 17:59:44,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash -863937403, now seen corresponding path program 1 times [2021-12-06 17:59:44,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:59:44,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964705939] [2021-12-06 17:59:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:44,900 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:59:44,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:59:44,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:59:44,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 17:59:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 17:59:45,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:59:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:59:45,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:59:45,276 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:59:45,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964705939] [2021-12-06 17:59:45,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1964705939] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:45,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:45,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-06 17:59:45,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261067102] [2021-12-06 17:59:45,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:45,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:59:45,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:59:45,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:59:45,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:59:45,277 INFO L87 Difference]: Start difference. First operand 1060 states and 1435 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:59:46,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:46,515 INFO L93 Difference]: Finished difference Result 1266 states and 1522 transitions. [2021-12-06 17:59:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:59:46,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-12-06 17:59:46,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:46,521 INFO L225 Difference]: With dead ends: 1266 [2021-12-06 17:59:46,521 INFO L226 Difference]: Without dead ends: 1266 [2021-12-06 17:59:46,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:59:46,522 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 660 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:46,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 1290 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 17:59:46,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2021-12-06 17:59:46,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1059. [2021-12-06 17:59:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2021-12-06 17:59:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1430 transitions. [2021-12-06 17:59:46,558 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1430 transitions. Word has length 11 [2021-12-06 17:59:46,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:46,558 INFO L470 AbstractCegarLoop]: Abstraction has 1059 states and 1430 transitions. [2021-12-06 17:59:46,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:59:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1430 transitions. [2021-12-06 17:59:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 17:59:46,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:46,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:46,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 17:59:46,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:59:46,760 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)] === [2021-12-06 17:59:46,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:46,761 INFO L85 PathProgramCache]: Analyzing trace with hash -863937402, now seen corresponding path program 1 times [2021-12-06 17:59:46,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:59:46,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806180179] [2021-12-06 17:59:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:46,761 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:59:46,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:59:46,762 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:59:46,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 17:59:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:47,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:59:47,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:59:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:59:47,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:59:47,125 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:59:47,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806180179] [2021-12-06 17:59:47,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806180179] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:47,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:47,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:59:47,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941441907] [2021-12-06 17:59:47,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:47,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:59:47,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:59:47,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:59:47,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:47,127 INFO L87 Difference]: Start difference. First operand 1059 states and 1430 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:59:49,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:50,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:50,665 INFO L93 Difference]: Finished difference Result 1125 states and 1445 transitions. [2021-12-06 17:59:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:59:50,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-12-06 17:59:50,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:50,670 INFO L225 Difference]: With dead ends: 1125 [2021-12-06 17:59:50,670 INFO L226 Difference]: Without dead ends: 1125 [2021-12-06 17:59:50,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:50,671 INFO L933 BasicCegarLoop]: 837 mSDtfsCounter, 268 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:50,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 1514 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 410 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-12-06 17:59:50,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2021-12-06 17:59:50,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1062. [2021-12-06 17:59:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2021-12-06 17:59:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1433 transitions. [2021-12-06 17:59:50,700 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1433 transitions. Word has length 11 [2021-12-06 17:59:50,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:50,701 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 1433 transitions. [2021-12-06 17:59:50,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:59:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1433 transitions. [2021-12-06 17:59:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 17:59:50,701 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:50,702 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:50,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-06 17:59:50,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:59:50,902 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 17:59:50,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:50,903 INFO L85 PathProgramCache]: Analyzing trace with hash -2114831441, now seen corresponding path program 1 times [2021-12-06 17:59:50,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:59:50,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377038262] [2021-12-06 17:59:50,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:50,903 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:59:50,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:59:50,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:59:50,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 17:59:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:51,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:59:51,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:59:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:59:51,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:59:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:59:51,634 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:59:51,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377038262] [2021-12-06 17:59:51,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377038262] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:59:51,634 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:59:51,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2021-12-06 17:59:51,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748373140] [2021-12-06 17:59:51,635 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:59:51,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:59:51,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:59:51,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:59:51,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:59:51,636 INFO L87 Difference]: Start difference. First operand 1062 states and 1433 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 17:59:53,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:55,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:59:57,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:04,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:04,836 INFO L93 Difference]: Finished difference Result 1335 states and 1679 transitions. [2021-12-06 18:00:04,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:00:04,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2021-12-06 18:00:04,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:04,842 INFO L225 Difference]: With dead ends: 1335 [2021-12-06 18:00:04,843 INFO L226 Difference]: Without dead ends: 1335 [2021-12-06 18:00:04,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2021-12-06 18:00:04,843 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 863 mSDsluCounter, 2512 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 125 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 3350 SdHoareTripleChecker+Invalid, 1675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:04,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [875 Valid, 3350 Invalid, 1675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1547 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2021-12-06 18:00:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-12-06 18:00:04,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1209. [2021-12-06 18:00:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 742 states have (on average 1.7398921832884098) internal successors, (1291), 964 states have internal predecessors, (1291), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:00:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1659 transitions. [2021-12-06 18:00:04,868 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1659 transitions. Word has length 14 [2021-12-06 18:00:04,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:04,868 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1659 transitions. [2021-12-06 18:00:04,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 18:00:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1659 transitions. [2021-12-06 18:00:04,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 18:00:04,869 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:04,869 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:04,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 18:00:05,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:00:05,069 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:00:05,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:05,070 INFO L85 PathProgramCache]: Analyzing trace with hash -846555216, now seen corresponding path program 1 times [2021-12-06 18:00:05,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:00:05,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240905449] [2021-12-06 18:00:05,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:05,071 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:00:05,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:00:05,071 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:00:05,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 18:00:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:00:05,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:05,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:00:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:05,461 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:00:05,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240905449] [2021-12-06 18:00:05,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240905449] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:00:05,461 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:00:05,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 18:00:05,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604030217] [2021-12-06 18:00:05,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:00:05,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 18:00:05,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:00:05,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 18:00:05,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 18:00:05,462 INFO L87 Difference]: Start difference. First operand 1209 states and 1659 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-12-06 18:00:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:05,713 INFO L93 Difference]: Finished difference Result 1215 states and 1663 transitions. [2021-12-06 18:00:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 18:00:05,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 19 [2021-12-06 18:00:05,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:05,719 INFO L225 Difference]: With dead ends: 1215 [2021-12-06 18:00:05,719 INFO L226 Difference]: Without dead ends: 1215 [2021-12-06 18:00:05,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:00:05,720 INFO L933 BasicCegarLoop]: 785 mSDtfsCounter, 442 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 3595 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:05,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 3595 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 18:00:05,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2021-12-06 18:00:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1214. [2021-12-06 18:00:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 747 states have (on average 1.7336010709504686) internal successors, (1295), 969 states have internal predecessors, (1295), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:00:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1663 transitions. [2021-12-06 18:00:05,745 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1663 transitions. Word has length 19 [2021-12-06 18:00:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:05,745 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 1663 transitions. [2021-12-06 18:00:05,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-12-06 18:00:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1663 transitions. [2021-12-06 18:00:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 18:00:05,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:05,746 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:05,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 18:00:05,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:00:05,947 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:00:05,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:05,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1706941254, now seen corresponding path program 2 times [2021-12-06 18:00:05,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:00:05,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970205011] [2021-12-06 18:00:05,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 18:00:05,952 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:00:05,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:00:05,954 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:00:05,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 18:00:06,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 18:00:06,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 18:00:06,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:00:06,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:06,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:00:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:07,669 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:00:07,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970205011] [2021-12-06 18:00:07,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970205011] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:00:07,669 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:00:07,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2021-12-06 18:00:07,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305727582] [2021-12-06 18:00:07,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:00:07,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 18:00:07,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:00:07,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 18:00:07,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-12-06 18:00:07,670 INFO L87 Difference]: Start difference. First operand 1214 states and 1663 transitions. Second operand has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 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) [2021-12-06 18:00:09,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:11,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:13,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:29,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:29,005 INFO L93 Difference]: Finished difference Result 1341 states and 1697 transitions. [2021-12-06 18:00:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 18:00:29,006 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 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 23 [2021-12-06 18:00:29,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:29,011 INFO L225 Difference]: With dead ends: 1341 [2021-12-06 18:00:29,011 INFO L226 Difference]: Without dead ends: 1341 [2021-12-06 18:00:29,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=243, Invalid=407, Unknown=0, NotChecked=0, Total=650 [2021-12-06 18:00:29,012 INFO L933 BasicCegarLoop]: 826 mSDtfsCounter, 1112 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 202 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 5195 SdHoareTripleChecker+Invalid, 2762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:29,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 5195 Invalid, 2762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2557 Invalid, 3 Unknown, 0 Unchecked, 19.4s Time] [2021-12-06 18:00:29,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2021-12-06 18:00:29,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1227. [2021-12-06 18:00:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 760 states have (on average 1.725) internal successors, (1311), 982 states have internal predecessors, (1311), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:00:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1679 transitions. [2021-12-06 18:00:29,035 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1679 transitions. Word has length 23 [2021-12-06 18:00:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:29,035 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 1679 transitions. [2021-12-06 18:00:29,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 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) [2021-12-06 18:00:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1679 transitions. [2021-12-06 18:00:29,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 18:00:29,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:29,036 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:29,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 18:00:29,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:00:29,236 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:00:29,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:29,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1287411312, now seen corresponding path program 2 times [2021-12-06 18:00:29,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:00:29,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462473035] [2021-12-06 18:00:29,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 18:00:29,238 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:00:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:00:29,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:00:29,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 18:00:29,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 18:00:29,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 18:00:29,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 18:00:29,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-06 18:00:29,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:00:29,631 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:00:29,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462473035] [2021-12-06 18:00:29,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462473035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:29,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:29,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-06 18:00:29,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36177754] [2021-12-06 18:00:29,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:29,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:29,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:00:29,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:29,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:29,632 INFO L87 Difference]: Start difference. First operand 1227 states and 1679 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-12-06 18:00:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:30,930 INFO L93 Difference]: Finished difference Result 1435 states and 1772 transitions. [2021-12-06 18:00:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:30,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 31 [2021-12-06 18:00:30,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:30,936 INFO L225 Difference]: With dead ends: 1435 [2021-12-06 18:00:30,936 INFO L226 Difference]: Without dead ends: 1435 [2021-12-06 18:00:30,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:30,937 INFO L933 BasicCegarLoop]: 743 mSDtfsCounter, 646 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:30,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1288 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 18:00:30,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2021-12-06 18:00:30,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1225. [2021-12-06 18:00:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 760 states have (on average 1.7131578947368422) internal successors, (1302), 980 states have internal predecessors, (1302), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:00:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1670 transitions. [2021-12-06 18:00:30,962 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1670 transitions. Word has length 31 [2021-12-06 18:00:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:30,962 INFO L470 AbstractCegarLoop]: Abstraction has 1225 states and 1670 transitions. [2021-12-06 18:00:30,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-12-06 18:00:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1670 transitions. [2021-12-06 18:00:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 18:00:30,963 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:30,963 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:30,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-06 18:00:31,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:00:31,164 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:00:31,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:31,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1287411313, now seen corresponding path program 1 times [2021-12-06 18:00:31,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:00:31,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035985416] [2021-12-06 18:00:31,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:31,165 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:00:31,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:00:31,166 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:00:31,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 18:00:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:31,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:00:31,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:31,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:00:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:31,744 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:00:31,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035985416] [2021-12-06 18:00:31,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035985416] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:00:31,744 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:00:31,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-06 18:00:31,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276677252] [2021-12-06 18:00:31,745 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:00:31,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 18:00:31,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:00:31,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 18:00:31,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:00:31,746 INFO L87 Difference]: Start difference. First operand 1225 states and 1670 transitions. Second operand has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 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) [2021-12-06 18:00:32,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:32,289 INFO L93 Difference]: Finished difference Result 1225 states and 1666 transitions. [2021-12-06 18:00:32,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 18:00:32,290 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 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 31 [2021-12-06 18:00:32,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:32,295 INFO L225 Difference]: With dead ends: 1225 [2021-12-06 18:00:32,295 INFO L226 Difference]: Without dead ends: 1225 [2021-12-06 18:00:32,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:00:32,296 INFO L933 BasicCegarLoop]: 783 mSDtfsCounter, 868 mSDsluCounter, 5466 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 6249 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:32,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 6249 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 18:00:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2021-12-06 18:00:32,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2021-12-06 18:00:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 760 states have (on average 1.7078947368421054) internal successors, (1298), 980 states have internal predecessors, (1298), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:00:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1666 transitions. [2021-12-06 18:00:32,325 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1666 transitions. Word has length 31 [2021-12-06 18:00:32,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:32,326 INFO L470 AbstractCegarLoop]: Abstraction has 1225 states and 1666 transitions. [2021-12-06 18:00:32,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 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) [2021-12-06 18:00:32,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1666 transitions. [2021-12-06 18:00:32,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 18:00:32,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:32,327 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:32,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-06 18:00:32,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:00:32,528 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:00:32,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:32,530 INFO L85 PathProgramCache]: Analyzing trace with hash 338189670, now seen corresponding path program 3 times [2021-12-06 18:00:32,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:00:32,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240488220] [2021-12-06 18:00:32,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 18:00:32,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:00:32,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:00:32,534 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:00:32,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 18:00:33,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-06 18:00:33,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 18:00:33,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 18:00:33,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:34,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:00:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:37,091 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:00:37,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240488220] [2021-12-06 18:00:37,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240488220] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:00:37,091 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:00:37,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-12-06 18:00:37,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327466591] [2021-12-06 18:00:37,091 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:00:37,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-06 18:00:37,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:00:37,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-06 18:00:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2021-12-06 18:00:37,092 INFO L87 Difference]: Start difference. First operand 1225 states and 1666 transitions. Second operand has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 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) [2021-12-06 18:00:39,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:41,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:43,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:45,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:47,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:49,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:51,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:00:53,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:27,129 INFO L93 Difference]: Finished difference Result 1574 states and 1894 transitions. [2021-12-06 18:01:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 18:01:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 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 41 [2021-12-06 18:01:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:27,135 INFO L225 Difference]: With dead ends: 1574 [2021-12-06 18:01:27,136 INFO L226 Difference]: Without dead ends: 1574 [2021-12-06 18:01:27,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2021-12-06 18:01:27,136 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 2005 mSDsluCounter, 8344 mSDsCounter, 0 mSdLazyCounter, 5799 mSolverCounterSat, 226 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 9096 SdHoareTripleChecker+Invalid, 6033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 5799 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:27,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2017 Valid, 9096 Invalid, 6033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 5799 Invalid, 8 Unknown, 0 Unchecked, 49.0s Time] [2021-12-06 18:01:27,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2021-12-06 18:01:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1223. [2021-12-06 18:01:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 759 states have (on average 1.7061923583662715) internal successors, (1295), 978 states have internal predecessors, (1295), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:01:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1663 transitions. [2021-12-06 18:01:27,170 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1663 transitions. Word has length 41 [2021-12-06 18:01:27,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:27,171 INFO L470 AbstractCegarLoop]: Abstraction has 1223 states and 1663 transitions. [2021-12-06 18:01:27,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 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) [2021-12-06 18:01:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1663 transitions. [2021-12-06 18:01:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-06 18:01:27,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:27,172 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:27,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 18:01:27,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:01:27,374 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:01:27,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:27,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1417284303, now seen corresponding path program 2 times [2021-12-06 18:01:27,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:01:27,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148547286] [2021-12-06 18:01:27,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 18:01:27,377 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:01:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:01:27,378 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:01:27,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 18:01:27,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 18:01:27,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 18:01:27,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:01:27,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-12-06 18:01:28,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:01:28,162 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:01:28,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148547286] [2021-12-06 18:01:28,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148547286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:28,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:28,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:01:28,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193466961] [2021-12-06 18:01:28,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:28,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:01:28,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:01:28,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:01:28,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:28,164 INFO L87 Difference]: Start difference. First operand 1223 states and 1663 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-12-06 18:01:30,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:31,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:31,695 INFO L93 Difference]: Finished difference Result 1279 states and 1675 transitions. [2021-12-06 18:01:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:01:31,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 43 [2021-12-06 18:01:31,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:31,701 INFO L225 Difference]: With dead ends: 1279 [2021-12-06 18:01:31,701 INFO L226 Difference]: Without dead ends: 1279 [2021-12-06 18:01:31,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:31,702 INFO L933 BasicCegarLoop]: 833 mSDtfsCounter, 237 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:31,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 1498 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 404 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-12-06 18:01:31,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2021-12-06 18:01:31,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1221. [2021-12-06 18:01:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 759 states have (on average 1.7035573122529644) internal successors, (1293), 976 states have internal predecessors, (1293), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:01:31,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1661 transitions. [2021-12-06 18:01:31,720 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1661 transitions. Word has length 43 [2021-12-06 18:01:31,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:31,720 INFO L470 AbstractCegarLoop]: Abstraction has 1221 states and 1661 transitions. [2021-12-06 18:01:31,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-12-06 18:01:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1661 transitions. [2021-12-06 18:01:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-06 18:01:31,721 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:31,721 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] [2021-12-06 18:01:31,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-06 18:01:31,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:01:31,923 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)] === [2021-12-06 18:01:31,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:31,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1129900010, now seen corresponding path program 1 times [2021-12-06 18:01:31,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:01:31,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891425726] [2021-12-06 18:01:31,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:31,927 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:01:31,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:01:31,928 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:01:31,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 18:01:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:32,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 18:01:32,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:32,443 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 [2021-12-06 18:01:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 18:01:32,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:01:32,449 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:01:32,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891425726] [2021-12-06 18:01:32,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891425726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:32,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:32,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:01:32,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350596269] [2021-12-06 18:01:32,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:32,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:32,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:01:32,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:32,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:32,451 INFO L87 Difference]: Start difference. First operand 1221 states and 1661 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) [2021-12-06 18:01:34,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:35,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:35,223 INFO L93 Difference]: Finished difference Result 1220 states and 1660 transitions. [2021-12-06 18:01:35,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:35,224 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 [2021-12-06 18:01:35,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:35,229 INFO L225 Difference]: With dead ends: 1220 [2021-12-06 18:01:35,229 INFO L226 Difference]: Without dead ends: 1220 [2021-12-06 18:01:35,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:35,229 INFO L933 BasicCegarLoop]: 787 mSDtfsCounter, 2 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:35,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1363 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-12-06 18:01:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2021-12-06 18:01:35,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1220. [2021-12-06 18:01:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 759 states have (on average 1.702239789196311) internal successors, (1292), 975 states have internal predecessors, (1292), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:01:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1660 transitions. [2021-12-06 18:01:35,250 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1660 transitions. Word has length 67 [2021-12-06 18:01:35,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:35,251 INFO L470 AbstractCegarLoop]: Abstraction has 1220 states and 1660 transitions. [2021-12-06 18:01:35,251 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) [2021-12-06 18:01:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1660 transitions. [2021-12-06 18:01:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-06 18:01:35,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:35,252 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] [2021-12-06 18:01:35,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-06 18:01:35,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:01:35,454 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)] === [2021-12-06 18:01:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:35,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1129900011, now seen corresponding path program 1 times [2021-12-06 18:01:35,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:01:35,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022560110] [2021-12-06 18:01:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:35,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:01:35,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:01:35,459 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:01:35,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 18:01:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:35,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 18:01:35,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:36,054 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 [2021-12-06 18:01:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 18:01:36,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:01:36,066 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:01:36,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022560110] [2021-12-06 18:01:36,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022560110] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:36,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:36,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:01:36,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966064282] [2021-12-06 18:01:36,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:36,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:01:36,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:01:36,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:01:36,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:36,067 INFO L87 Difference]: Start difference. First operand 1220 states and 1660 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) 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) [2021-12-06 18:01:38,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:39,195 INFO L93 Difference]: Finished difference Result 1219 states and 1658 transitions. [2021-12-06 18:01:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:01:39,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) 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 [2021-12-06 18:01:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:39,201 INFO L225 Difference]: With dead ends: 1219 [2021-12-06 18:01:39,201 INFO L226 Difference]: Without dead ends: 1219 [2021-12-06 18:01:39,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:01:39,202 INFO L933 BasicCegarLoop]: 783 mSDtfsCounter, 749 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:39,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [749 Valid, 1362 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2021-12-06 18:01:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2021-12-06 18:01:39,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2021-12-06 18:01:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 759 states have (on average 1.699604743083004) internal successors, (1290), 974 states have internal predecessors, (1290), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2021-12-06 18:01:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1658 transitions. [2021-12-06 18:01:39,223 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1658 transitions. Word has length 67 [2021-12-06 18:01:39,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:39,223 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1658 transitions. [2021-12-06 18:01:39,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) 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) [2021-12-06 18:01:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1658 transitions. [2021-12-06 18:01:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-06 18:01:39,224 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:39,224 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] [2021-12-06 18:01:39,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-06 18:01:39,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:01:39,425 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)] === [2021-12-06 18:01:39,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:39,426 INFO L85 PathProgramCache]: Analyzing trace with hash -366255816, now seen corresponding path program 1 times [2021-12-06 18:01:39,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:01:39,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820677963] [2021-12-06 18:01:39,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:39,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:01:39,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:01:39,428 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:01:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-06 18:01:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:39,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:01:39,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 18:01:39,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:01:39,911 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:01:39,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820677963] [2021-12-06 18:01:39,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820677963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:39,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:39,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:01:39,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083367028] [2021-12-06 18:01:39,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:39,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:39,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:01:39,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:39,913 INFO L87 Difference]: Start difference. First operand 1219 states and 1658 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) [2021-12-06 18:01:41,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:42,779 INFO L93 Difference]: Finished difference Result 1260 states and 1667 transitions. [2021-12-06 18:01:42,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:42,779 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 [2021-12-06 18:01:42,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:42,784 INFO L225 Difference]: With dead ends: 1260 [2021-12-06 18:01:42,784 INFO L226 Difference]: Without dead ends: 1248 [2021-12-06 18:01:42,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:42,785 INFO L933 BasicCegarLoop]: 775 mSDtfsCounter, 93 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:42,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1323 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-12-06 18:01:42,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2021-12-06 18:01:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1215. [2021-12-06 18:01:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 757 states have (on average 1.7001321003963012) internal successors, (1287), 972 states have internal predecessors, (1287), 183 states have call successors, (183), 79 states have call predecessors, (183), 78 states have return successors, (181), 174 states have call predecessors, (181), 181 states have call successors, (181) [2021-12-06 18:01:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1651 transitions. [2021-12-06 18:01:42,805 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1651 transitions. Word has length 74 [2021-12-06 18:01:42,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:42,806 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 1651 transitions. [2021-12-06 18:01:42,806 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) [2021-12-06 18:01:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1651 transitions. [2021-12-06 18:01:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-06 18:01:42,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:42,807 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] [2021-12-06 18:01:42,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-06 18:01:43,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:01:43,008 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)] === [2021-12-06 18:01:43,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash -475870393, now seen corresponding path program 1 times [2021-12-06 18:01:43,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:01:43,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909837698] [2021-12-06 18:01:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:43,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:01:43,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:01:43,015 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:01:43,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-06 18:01:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:43,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:01:43,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:44,245 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 18:01:44,246 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 [2021-12-06 18:01:44,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2021-12-06 18:01:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 18:01:44,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:01:44,489 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:01:44,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909837698] [2021-12-06 18:01:44,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909837698] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:44,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1359575428] [2021-12-06 18:01:44,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:44,490 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:01:44,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:01:44,490 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:01:44,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-12-06 18:01:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:46,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 18:01:46,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:46,513 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-12-06 18:01:46,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 48 [2021-12-06 18:01:46,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 36 [2021-12-06 18:01:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 18:01:46,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:01:46,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1359575428] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:46,918 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:01:46,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-12-06 18:01:46,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211277128] [2021-12-06 18:01:46,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:01:46,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 18:01:46,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:01:46,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 18:01:46,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-06 18:01:46,920 INFO L87 Difference]: Start difference. First operand 1215 states and 1651 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-12-06 18:01:48,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:50,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:01:53,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:53,708 INFO L93 Difference]: Finished difference Result 1760 states and 2299 transitions. [2021-12-06 18:01:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:01:53,709 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2021-12-06 18:01:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:53,715 INFO L225 Difference]: With dead ends: 1760 [2021-12-06 18:01:53,715 INFO L226 Difference]: Without dead ends: 1760 [2021-12-06 18:01:53,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 143 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:01:53,716 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 752 mSDsluCounter, 3286 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 3986 SdHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 372 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:53,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 3986 Invalid, 1909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1526 Invalid, 2 Unknown, 372 Unchecked, 6.7s Time] [2021-12-06 18:01:53,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2021-12-06 18:01:53,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1537. [2021-12-06 18:01:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 995 states have (on average 1.7236180904522613) internal successors, (1715), 1221 states have internal predecessors, (1715), 242 states have call successors, (242), 104 states have call predecessors, (242), 103 states have return successors, (240), 226 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-06 18:01:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2197 transitions. [2021-12-06 18:01:53,745 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2197 transitions. Word has length 76 [2021-12-06 18:01:53,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:53,745 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2197 transitions. [2021-12-06 18:01:53,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-12-06 18:01:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2197 transitions. [2021-12-06 18:01:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-06 18:01:53,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:53,746 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] [2021-12-06 18:01:53,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-12-06 18:01:53,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-12-06 18:01:54,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:01:54,149 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)] === [2021-12-06 18:01:54,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:54,151 INFO L85 PathProgramCache]: Analyzing trace with hash -475870392, now seen corresponding path program 1 times [2021-12-06 18:01:54,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:01:54,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029554819] [2021-12-06 18:01:54,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:54,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:01:54,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:01:54,155 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:01:54,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-06 18:01:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:55,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 18:01:55,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:01:55,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:01:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 18:01:55,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:01:58,282 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:01:58,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029554819] [2021-12-06 18:01:58,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029554819] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:58,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1390912676] [2021-12-06 18:01:58,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:58,282 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:01:58,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:01:58,283 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:01:58,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-12-06 18:01:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:59,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 18:02:00,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:02:00,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:02:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 18:02:00,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:02:02,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1390912676] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:02:02,966 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:02:02,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-12-06 18:02:02,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887154967] [2021-12-06 18:02:02,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:02:02,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:02:02,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:02:02,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:02:02,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2021-12-06 18:02:02,968 INFO L87 Difference]: Start difference. First operand 1537 states and 2197 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 18:02:04,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:06,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:11,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:11,362 INFO L93 Difference]: Finished difference Result 1960 states and 2522 transitions. [2021-12-06 18:02:11,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:02:11,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 76 [2021-12-06 18:02:11,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:02:11,374 INFO L225 Difference]: With dead ends: 1960 [2021-12-06 18:02:11,374 INFO L226 Difference]: Without dead ends: 1960 [2021-12-06 18:02:11,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=50, Invalid=105, Unknown=1, NotChecked=0, Total=156 [2021-12-06 18:02:11,375 INFO L933 BasicCegarLoop]: 637 mSDtfsCounter, 994 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:02:11,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [994 Valid, 2359 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1863 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2021-12-06 18:02:11,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2021-12-06 18:02:11,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1714. [2021-12-06 18:02:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1130 states have (on average 1.7327433628318585) internal successors, (1958), 1352 states have internal predecessors, (1958), 269 states have call successors, (269), 119 states have call predecessors, (269), 118 states have return successors, (267), 258 states have call predecessors, (267), 267 states have call successors, (267) [2021-12-06 18:02:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2494 transitions. [2021-12-06 18:02:11,402 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2494 transitions. Word has length 76 [2021-12-06 18:02:11,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:02:11,403 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2494 transitions. [2021-12-06 18:02:11,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 18:02:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2494 transitions. [2021-12-06 18:02:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-06 18:02:11,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:02:11,404 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] [2021-12-06 18:02:11,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2021-12-06 18:02:11,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:11,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:02:11,807 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:02:11,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:11,808 INFO L85 PathProgramCache]: Analyzing trace with hash 862802860, now seen corresponding path program 1 times [2021-12-06 18:02:11,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:02:11,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680626591] [2021-12-06 18:02:11,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:11,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:02:11,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:02:11,814 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:02:11,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-06 18:02:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:12,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:02:12,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:13,124 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 18:02:13,124 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 [2021-12-06 18:02:13,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-12-06 18:02:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-06 18:02:13,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:02:13,319 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:02:13,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680626591] [2021-12-06 18:02:13,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680626591] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:02:13,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [284449750] [2021-12-06 18:02:13,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:13,319 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:02:13,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:02:13,320 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:02:13,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-12-06 18:02:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:14,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 18:02:14,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:15,387 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-12-06 18:02:15,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 51 [2021-12-06 18:02:15,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2021-12-06 18:02:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-06 18:02:15,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:02:15,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [284449750] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:02:15,646 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:02:15,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-12-06 18:02:15,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254828856] [2021-12-06 18:02:15,646 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:02:15,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 18:02:15,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:02:15,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 18:02:15,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-06 18:02:15,647 INFO L87 Difference]: Start difference. First operand 1714 states and 2494 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2021-12-06 18:02:17,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:19,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:21,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:24,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:24,569 INFO L93 Difference]: Finished difference Result 1889 states and 2506 transitions. [2021-12-06 18:02:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:02:24,570 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 82 [2021-12-06 18:02:24,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:02:24,577 INFO L225 Difference]: With dead ends: 1889 [2021-12-06 18:02:24,577 INFO L226 Difference]: Without dead ends: 1889 [2021-12-06 18:02:24,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:02:24,578 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 1344 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 154 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 2746 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:02:24,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1345 Valid, 2746 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1529 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2021-12-06 18:02:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2021-12-06 18:02:24,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1712. [2021-12-06 18:02:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1130 states have (on average 1.7309734513274335) internal successors, (1956), 1350 states have internal predecessors, (1956), 269 states have call successors, (269), 119 states have call predecessors, (269), 118 states have return successors, (267), 258 states have call predecessors, (267), 267 states have call successors, (267) [2021-12-06 18:02:24,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2492 transitions. [2021-12-06 18:02:24,607 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2492 transitions. Word has length 82 [2021-12-06 18:02:24,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:02:24,607 INFO L470 AbstractCegarLoop]: Abstraction has 1712 states and 2492 transitions. [2021-12-06 18:02:24,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2021-12-06 18:02:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2492 transitions. [2021-12-06 18:02:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-06 18:02:24,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:02:24,608 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] [2021-12-06 18:02:24,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2021-12-06 18:02:24,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-12-06 18:02:25,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:02:25,011 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting spin_lock_initErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:02:25,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:25,012 INFO L85 PathProgramCache]: Analyzing trace with hash 862802861, now seen corresponding path program 1 times [2021-12-06 18:02:25,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:02:25,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101559000] [2021-12-06 18:02:25,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:25,015 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:02:25,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:02:25,018 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:02:25,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-06 18:02:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:26,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 18:02:26,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:02:26,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:02:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 18:02:26,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:02:27,306 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:02:27,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101559000] [2021-12-06 18:02:27,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2101559000] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:02:27,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1436930869] [2021-12-06 18:02:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:27,306 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:02:27,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:02:27,307 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:02:27,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-12-06 18:02:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:29,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 18:02:29,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:02:29,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:02:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 18:02:29,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:02:30,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1436930869] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:02:30,133 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:02:30,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-12-06 18:02:30,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653125264] [2021-12-06 18:02:30,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:02:30,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:02:30,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:02:30,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:02:30,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:02:30,134 INFO L87 Difference]: Start difference. First operand 1712 states and 2492 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 18:02:32,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:34,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:38,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:38,241 INFO L93 Difference]: Finished difference Result 1956 states and 2518 transitions. [2021-12-06 18:02:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:02:38,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 82 [2021-12-06 18:02:38,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:02:38,248 INFO L225 Difference]: With dead ends: 1956 [2021-12-06 18:02:38,248 INFO L226 Difference]: Without dead ends: 1956 [2021-12-06 18:02:38,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-12-06 18:02:38,249 INFO L933 BasicCegarLoop]: 637 mSDtfsCounter, 1524 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1643 mSolverCounterSat, 152 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1643 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:02:38,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1525 Valid, 2069 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1643 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2021-12-06 18:02:38,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2021-12-06 18:02:38,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1710. [2021-12-06 18:02:38,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1130 states have (on average 1.7292035398230088) internal successors, (1954), 1348 states have internal predecessors, (1954), 269 states have call successors, (269), 119 states have call predecessors, (269), 118 states have return successors, (267), 258 states have call predecessors, (267), 267 states have call successors, (267) [2021-12-06 18:02:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2490 transitions. [2021-12-06 18:02:38,278 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2490 transitions. Word has length 82 [2021-12-06 18:02:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:02:38,279 INFO L470 AbstractCegarLoop]: Abstraction has 1710 states and 2490 transitions. [2021-12-06 18:02:38,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 18:02:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2490 transitions. [2021-12-06 18:02:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-06 18:02:38,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:02:38,280 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] [2021-12-06 18:02:38,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-12-06 18:02:38,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2021-12-06 18:02:38,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt [2021-12-06 18:02:38,681 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:02:38,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:38,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1028659715, now seen corresponding path program 1 times [2021-12-06 18:02:38,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:02:38,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234474854] [2021-12-06 18:02:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:38,686 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:02:38,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:02:38,688 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:02:38,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-06 18:02:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:39,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:02:39,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 18:02:39,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:02:39,207 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:02:39,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234474854] [2021-12-06 18:02:39,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234474854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:02:39,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:02:39,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:02:39,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962146587] [2021-12-06 18:02:39,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:02:39,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:02:39,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:02:39,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:02:39,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:02:39,208 INFO L87 Difference]: Start difference. First operand 1710 states and 2490 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 18:02:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:39,246 INFO L93 Difference]: Finished difference Result 1339 states and 1888 transitions. [2021-12-06 18:02:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:02:39,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2021-12-06 18:02:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:02:39,252 INFO L225 Difference]: With dead ends: 1339 [2021-12-06 18:02:39,252 INFO L226 Difference]: Without dead ends: 1331 [2021-12-06 18:02:39,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:02:39,252 INFO L933 BasicCegarLoop]: 782 mSDtfsCounter, 3 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:02:39,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 3121 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:02:39,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2021-12-06 18:02:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2021-12-06 18:02:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 861 states have (on average 1.7375145180023228) internal successors, (1496), 1067 states have internal predecessors, (1496), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:02:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1880 transitions. [2021-12-06 18:02:39,273 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1880 transitions. Word has length 81 [2021-12-06 18:02:39,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:02:39,274 INFO L470 AbstractCegarLoop]: Abstraction has 1331 states and 1880 transitions. [2021-12-06 18:02:39,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 18:02:39,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1880 transitions. [2021-12-06 18:02:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-06 18:02:39,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:02:39,274 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] [2021-12-06 18:02:39,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-12-06 18:02:39,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:02:39,476 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:02:39,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:39,477 INFO L85 PathProgramCache]: Analyzing trace with hash 838655585, now seen corresponding path program 1 times [2021-12-06 18:02:39,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:02:39,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303930806] [2021-12-06 18:02:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:39,481 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:02:39,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:02:39,483 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:02:39,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-06 18:02:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:40,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:02:40,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:41,062 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 18:02:41,062 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 [2021-12-06 18:02:41,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2021-12-06 18:02:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:02:41,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:02:41,226 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:02:41,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303930806] [2021-12-06 18:02:41,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303930806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:02:41,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:02:41,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:02:41,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994839049] [2021-12-06 18:02:41,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:02:41,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:02:41,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:02:41,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:02:41,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:02:41,227 INFO L87 Difference]: Start difference. First operand 1331 states and 1880 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 18:02:42,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:42,604 INFO L93 Difference]: Finished difference Result 1506 states and 1892 transitions. [2021-12-06 18:02:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:02:42,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2021-12-06 18:02:42,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:02:42,609 INFO L225 Difference]: With dead ends: 1506 [2021-12-06 18:02:42,609 INFO L226 Difference]: Without dead ends: 1506 [2021-12-06 18:02:42,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:02:42,610 INFO L933 BasicCegarLoop]: 701 mSDtfsCounter, 720 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 359 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 18:02:42,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [720 Valid, 1580 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 374 Invalid, 0 Unknown, 359 Unchecked, 1.4s Time] [2021-12-06 18:02:42,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2021-12-06 18:02:42,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1329. [2021-12-06 18:02:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 861 states have (on average 1.735191637630662) internal successors, (1494), 1065 states have internal predecessors, (1494), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:02:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1878 transitions. [2021-12-06 18:02:42,630 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1878 transitions. Word has length 88 [2021-12-06 18:02:42,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:02:42,630 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1878 transitions. [2021-12-06 18:02:42,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 18:02:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1878 transitions. [2021-12-06 18:02:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-06 18:02:42,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:02:42,631 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] [2021-12-06 18:02:42,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:42,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:02:42,833 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:02:42,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:42,834 INFO L85 PathProgramCache]: Analyzing trace with hash 838655586, now seen corresponding path program 1 times [2021-12-06 18:02:42,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:02:42,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522597971] [2021-12-06 18:02:42,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:42,837 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:02:42,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:02:42,839 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:02:42,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-06 18:02:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:44,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:02:44,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:44,661 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 18:02:44,661 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 [2021-12-06 18:02:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:02:44,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:02:44,887 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:02:44,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522597971] [2021-12-06 18:02:44,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522597971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:02:44,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:02:44,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:02:44,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714511697] [2021-12-06 18:02:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:02:44,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:02:44,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:02:44,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:02:44,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:02:44,890 INFO L87 Difference]: Start difference. First operand 1329 states and 1878 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-12-06 18:02:46,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:48,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:48,648 INFO L93 Difference]: Finished difference Result 1380 states and 1885 transitions. [2021-12-06 18:02:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:02:48,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 88 [2021-12-06 18:02:48,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:02:48,651 INFO L225 Difference]: With dead ends: 1380 [2021-12-06 18:02:48,651 INFO L226 Difference]: Without dead ends: 1380 [2021-12-06 18:02:48,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:02:48,652 INFO L933 BasicCegarLoop]: 766 mSDtfsCounter, 123 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:02:48,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 1857 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 516 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-06 18:02:48,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2021-12-06 18:02:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1327. [2021-12-06 18:02:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 861 states have (on average 1.7317073170731707) internal successors, (1491), 1063 states have internal predecessors, (1491), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:02:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1875 transitions. [2021-12-06 18:02:48,673 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1875 transitions. Word has length 88 [2021-12-06 18:02:48,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:02:48,673 INFO L470 AbstractCegarLoop]: Abstraction has 1327 states and 1875 transitions. [2021-12-06 18:02:48,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-12-06 18:02:48,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1875 transitions. [2021-12-06 18:02:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 18:02:48,674 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:02:48,674 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] [2021-12-06 18:02:48,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-12-06 18:02:48,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:02:48,874 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:02:48,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:48,875 INFO L85 PathProgramCache]: Analyzing trace with hash 228519724, now seen corresponding path program 1 times [2021-12-06 18:02:48,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:02:48,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079089131] [2021-12-06 18:02:48,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:48,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:02:48,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:02:48,876 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:02:48,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-12-06 18:02:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:50,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:02:50,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:50,412 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 18:02:50,413 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 [2021-12-06 18:02:50,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2021-12-06 18:02:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:02:50,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:02:50,595 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:02:50,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079089131] [2021-12-06 18:02:50,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079089131] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:02:50,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:02:50,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:02:50,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909588405] [2021-12-06 18:02:50,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:02:50,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:02:50,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:02:50,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:02:50,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:02:50,596 INFO L87 Difference]: Start difference. First operand 1327 states and 1875 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 18:02:52,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:02:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:54,517 INFO L93 Difference]: Finished difference Result 1502 states and 1887 transitions. [2021-12-06 18:02:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:02:54,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2021-12-06 18:02:54,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:02:54,520 INFO L225 Difference]: With dead ends: 1502 [2021-12-06 18:02:54,520 INFO L226 Difference]: Without dead ends: 1502 [2021-12-06 18:02:54,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:02:54,521 INFO L933 BasicCegarLoop]: 671 mSDtfsCounter, 1079 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 359 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:02:54,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 2021 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 719 Invalid, 1 Unknown, 359 Unchecked, 3.9s Time] [2021-12-06 18:02:54,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2021-12-06 18:02:54,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1325. [2021-12-06 18:02:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 861 states have (on average 1.7293844367015099) internal successors, (1489), 1061 states have internal predecessors, (1489), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:02:54,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1873 transitions. [2021-12-06 18:02:54,536 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1873 transitions. Word has length 89 [2021-12-06 18:02:54,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:02:54,536 INFO L470 AbstractCegarLoop]: Abstraction has 1325 states and 1873 transitions. [2021-12-06 18:02:54,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 18:02:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1873 transitions. [2021-12-06 18:02:54,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 18:02:54,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:02:54,537 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] [2021-12-06 18:02:54,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:54,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:02:54,738 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:02:54,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:54,738 INFO L85 PathProgramCache]: Analyzing trace with hash 228519725, now seen corresponding path program 1 times [2021-12-06 18:02:54,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:02:54,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053963488] [2021-12-06 18:02:54,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:54,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:02:54,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:02:54,740 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-12-06 18:02:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:56,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 18:02:56,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:02:56,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:02:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:02:56,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:02:57,147 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:02:57,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053963488] [2021-12-06 18:02:57,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053963488] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:02:57,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [151062489] [2021-12-06 18:02:57,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:57,147 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:02:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:02:57,148 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:02:57,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2021-12-06 18:02:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:59,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 18:02:59,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:02:59,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:03:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:03:00,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:03:00,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [151062489] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:03:00,345 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:03:00,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-12-06 18:03:00,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507540302] [2021-12-06 18:03:00,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:03:00,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:03:00,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:03:00,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:03:00,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-06 18:03:00,346 INFO L87 Difference]: Start difference. First operand 1325 states and 1873 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, (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) [2021-12-06 18:03:02,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:05,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:03:05,827 INFO L93 Difference]: Finished difference Result 1569 states and 1899 transitions. [2021-12-06 18:03:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:03:05,827 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, (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 89 [2021-12-06 18:03:05,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:03:05,829 INFO L225 Difference]: With dead ends: 1569 [2021-12-06 18:03:05,829 INFO L226 Difference]: Without dead ends: 1569 [2021-12-06 18:03:05,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:03:05,830 INFO L933 BasicCegarLoop]: 582 mSDtfsCounter, 1903 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 221 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-06 18:03:05,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1903 Valid, 1585 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 1039 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-12-06 18:03:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2021-12-06 18:03:05,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1323. [2021-12-06 18:03:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 861 states have (on average 1.727061556329849) internal successors, (1487), 1059 states have internal predecessors, (1487), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:03:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1871 transitions. [2021-12-06 18:03:05,844 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1871 transitions. Word has length 89 [2021-12-06 18:03:05,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:03:05,845 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1871 transitions. [2021-12-06 18:03:05,845 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, (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) [2021-12-06 18:03:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1871 transitions. [2021-12-06 18:03:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-06 18:03:05,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:03:05,845 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] [2021-12-06 18:03:05,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2021-12-06 18:03:06,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-12-06 18:03:06,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:03:06,247 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting cdev_addErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:03:06,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:03:06,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1317347739, now seen corresponding path program 1 times [2021-12-06 18:03:06,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:03:06,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644883474] [2021-12-06 18:03:06,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:03:06,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:03:06,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:03:06,255 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:03:06,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-12-06 18:03:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:03:06,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:03:06,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:03:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:03:07,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:03:07,018 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:03:07,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644883474] [2021-12-06 18:03:07,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644883474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:03:07,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:03:07,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:03:07,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000785846] [2021-12-06 18:03:07,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:03:07,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:03:07,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:03:07,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:03:07,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:03:07,019 INFO L87 Difference]: Start difference. First operand 1323 states and 1871 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) [2021-12-06 18:03:09,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:11,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:13,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:03:13,318 INFO L93 Difference]: Finished difference Result 1498 states and 1883 transitions. [2021-12-06 18:03:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:03:13,319 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 [2021-12-06 18:03:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:03:13,321 INFO L225 Difference]: With dead ends: 1498 [2021-12-06 18:03:13,322 INFO L226 Difference]: Without dead ends: 1498 [2021-12-06 18:03:13,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:03:13,322 INFO L933 BasicCegarLoop]: 695 mSDtfsCounter, 793 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:03:13,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [794 Valid, 2200 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1094 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2021-12-06 18:03:13,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2021-12-06 18:03:13,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1321. [2021-12-06 18:03:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 861 states have (on average 1.7247386759581882) internal successors, (1485), 1057 states have internal predecessors, (1485), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:03:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1869 transitions. [2021-12-06 18:03:13,337 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1869 transitions. Word has length 96 [2021-12-06 18:03:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:03:13,337 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 1869 transitions. [2021-12-06 18:03:13,337 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) [2021-12-06 18:03:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1869 transitions. [2021-12-06 18:03:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-06 18:03:13,338 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:03:13,338 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] [2021-12-06 18:03:13,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-12-06 18:03:13,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:03:13,539 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting cdev_addErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:03:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:03:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1317347738, now seen corresponding path program 1 times [2021-12-06 18:03:13,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:03:13,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772649906] [2021-12-06 18:03:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:03:13,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:03:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:03:13,547 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:03:13,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-12-06 18:03:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:03:14,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 18:03:14,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:03:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:03:15,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:03:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:03:15,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:03:17,034 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:03:17,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772649906] [2021-12-06 18:03:17,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772649906] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:03:17,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [954467574] [2021-12-06 18:03:17,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:03:17,034 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:03:17,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:03:17,035 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:03:17,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2021-12-06 18:03:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:03:19,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 18:03:19,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:03:20,004 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-06 18:03:20,004 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 18 [2021-12-06 18:03:20,183 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 [2021-12-06 18:03:20,729 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 18:03:20,730 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 16 treesize of output 16 [2021-12-06 18:03:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:03:20,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:03:21,449 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 28 treesize of output 26 [2021-12-06 18:03:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:03:22,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [954467574] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 18:03:22,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:03:22,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2021-12-06 18:03:22,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109356239] [2021-12-06 18:03:22,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:03:22,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 18:03:22,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:03:22,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 18:03:22,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:03:22,853 INFO L87 Difference]: Start difference. First operand 1321 states and 1869 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-06 18:03:24,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:26,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:28,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:39,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:03:39,115 INFO L93 Difference]: Finished difference Result 1373 states and 1878 transitions. [2021-12-06 18:03:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:03:39,115 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 96 [2021-12-06 18:03:39,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:03:39,117 INFO L225 Difference]: With dead ends: 1373 [2021-12-06 18:03:39,117 INFO L226 Difference]: Without dead ends: 1373 [2021-12-06 18:03:39,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-12-06 18:03:39,118 INFO L933 BasicCegarLoop]: 747 mSDtfsCounter, 335 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 22 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:03:39,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 3828 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1703 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2021-12-06 18:03:39,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-12-06 18:03:39,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1320. [2021-12-06 18:03:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 861 states have (on average 1.7235772357723578) internal successors, (1484), 1056 states have internal predecessors, (1484), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:03:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1868 transitions. [2021-12-06 18:03:39,132 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1868 transitions. Word has length 96 [2021-12-06 18:03:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:03:39,132 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1868 transitions. [2021-12-06 18:03:39,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-06 18:03:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1868 transitions. [2021-12-06 18:03:39,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-06 18:03:39,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:03:39,133 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] [2021-12-06 18:03:39,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2021-12-06 18:03:39,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-12-06 18:03:39,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:03:39,535 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting cdev_addErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:03:39,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:03:39,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2111894061, now seen corresponding path program 1 times [2021-12-06 18:03:39,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:03:39,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204325012] [2021-12-06 18:03:39,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:03:39,540 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:03:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:03:39,543 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:03:39,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-12-06 18:03:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:03:41,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 18:03:41,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:03:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:03:41,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:03:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:03:42,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:03:43,216 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:03:43,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204325012] [2021-12-06 18:03:43,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204325012] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:03:43,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [366271100] [2021-12-06 18:03:43,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:03:43,216 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:03:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:03:43,217 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:03:43,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-12-06 18:03:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:03:45,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 18:03:45,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:03:46,256 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-06 18:03:46,256 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 18 [2021-12-06 18:03:46,417 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 [2021-12-06 18:03:46,921 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 18:03:46,921 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 17 treesize of output 17 [2021-12-06 18:03:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:03:46,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:03:47,680 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 30 treesize of output 28 [2021-12-06 18:03:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:03:49,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [366271100] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 18:03:49,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:03:49,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2021-12-06 18:03:49,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530803718] [2021-12-06 18:03:49,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:03:49,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 18:03:49,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:03:49,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 18:03:49,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:03:49,202 INFO L87 Difference]: Start difference. First operand 1320 states and 1868 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-06 18:03:51,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:53,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:55,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:03:57,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:04:08,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:04:08,755 INFO L93 Difference]: Finished difference Result 1372 states and 1877 transitions. [2021-12-06 18:04:08,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:04:08,756 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 97 [2021-12-06 18:04:08,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:04:08,758 INFO L225 Difference]: With dead ends: 1372 [2021-12-06 18:04:08,758 INFO L226 Difference]: Without dead ends: 1372 [2021-12-06 18:04:08,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-12-06 18:04:08,759 INFO L933 BasicCegarLoop]: 747 mSDtfsCounter, 219 mSDsluCounter, 3614 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 4361 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2021-12-06 18:04:08,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 4361 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1922 Invalid, 4 Unknown, 0 Unchecked, 19.3s Time] [2021-12-06 18:04:08,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2021-12-06 18:04:08,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1319. [2021-12-06 18:04:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 861 states have (on average 1.7224157955865274) internal successors, (1483), 1055 states have internal predecessors, (1483), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:04:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1867 transitions. [2021-12-06 18:04:08,774 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1867 transitions. Word has length 97 [2021-12-06 18:04:08,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:04:08,774 INFO L470 AbstractCegarLoop]: Abstraction has 1319 states and 1867 transitions. [2021-12-06 18:04:08,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-06 18:04:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1867 transitions. [2021-12-06 18:04:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 18:04:08,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:04:08,775 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] [2021-12-06 18:04:08,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-12-06 18:04:09,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2021-12-06 18:04:09,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt [2021-12-06 18:04:09,176 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting cdev_addErr4REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:04:09,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:09,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1542682259, now seen corresponding path program 1 times [2021-12-06 18:04:09,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:04:09,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296979955] [2021-12-06 18:04:09,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:09,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:04:09,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:04:09,183 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:04:09,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-12-06 18:04:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:04:11,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:04:11,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:04:11,309 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 18:04:11,310 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 [2021-12-06 18:04:11,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-12-06 18:04:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:04:11,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:04:11,522 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:04:11,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296979955] [2021-12-06 18:04:11,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296979955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:04:11,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:04:11,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:04:11,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224178814] [2021-12-06 18:04:11,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:04:11,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:04:11,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:04:11,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:04:11,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:04:11,523 INFO L87 Difference]: Start difference. First operand 1319 states and 1867 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-06 18:04:13,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:04:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:04:15,580 INFO L93 Difference]: Finished difference Result 1476 states and 1861 transitions. [2021-12-06 18:04:15,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:04:15,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2021-12-06 18:04:15,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:04:15,583 INFO L225 Difference]: With dead ends: 1476 [2021-12-06 18:04:15,583 INFO L226 Difference]: Without dead ends: 1476 [2021-12-06 18:04:15,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:04:15,584 INFO L933 BasicCegarLoop]: 691 mSDtfsCounter, 673 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:04:15,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 1527 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-12-06 18:04:15,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2021-12-06 18:04:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1315. [2021-12-06 18:04:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 861 states have (on average 1.6991869918699187) internal successors, (1463), 1051 states have internal predecessors, (1463), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2021-12-06 18:04:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1847 transitions. [2021-12-06 18:04:15,598 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1847 transitions. Word has length 106 [2021-12-06 18:04:15,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:04:15,598 INFO L470 AbstractCegarLoop]: Abstraction has 1315 states and 1847 transitions. [2021-12-06 18:04:15,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-06 18:04:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1847 transitions. [2021-12-06 18:04:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 18:04:15,599 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:04:15,599 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] [2021-12-06 18:04:15,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-12-06 18:04:15,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:04:15,800 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting cdev_addErr5REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:04:15,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:15,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1542682258, now seen corresponding path program 1 times [2021-12-06 18:04:15,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:04:15,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851312056] [2021-12-06 18:04:15,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:15,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:04:15,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:04:15,805 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:04:15,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-12-06 18:04:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:04:17,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:04:17,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:04:18,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:04:18,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:04:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:04:18,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:04:19,915 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:04:19,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851312056] [2021-12-06 18:04:19,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851312056] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:04:19,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1094519564] [2021-12-06 18:04:19,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:19,915 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 18:04:19,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 18:04:19,916 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 18:04:19,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2021-12-06 18:04:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:04:22,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:04:22,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:04:23,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 18:04:23,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 18:04:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 18:04:23,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:04:24,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1094519564] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:04:24,355 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:04:24,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2021-12-06 18:04:24,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668716856] [2021-12-06 18:04:24,355 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 18:04:24,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:04:24,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:04:24,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:04:24,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:04:24,356 INFO L87 Difference]: Start difference. First operand 1315 states and 1847 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-06 18:04:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:04:26,012 INFO L93 Difference]: Finished difference Result 1525 states and 2083 transitions. [2021-12-06 18:04:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:04:26,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2021-12-06 18:04:26,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:04:26,016 INFO L225 Difference]: With dead ends: 1525 [2021-12-06 18:04:26,016 INFO L226 Difference]: Without dead ends: 1525 [2021-12-06 18:04:26,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:04:26,016 INFO L933 BasicCegarLoop]: 819 mSDtfsCounter, 266 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:04:26,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 1425 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 18:04:26,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2021-12-06 18:04:26,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1454. [2021-12-06 18:04:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 960 states have (on average 1.6927083333333333) internal successors, (1625), 1148 states have internal predecessors, (1625), 220 states have call successors, (220), 100 states have call predecessors, (220), 101 states have return successors, (221), 217 states have call predecessors, (221), 220 states have call successors, (221) [2021-12-06 18:04:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2066 transitions. [2021-12-06 18:04:26,035 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2066 transitions. Word has length 106 [2021-12-06 18:04:26,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:04:26,035 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2066 transitions. [2021-12-06 18:04:26,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-06 18:04:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2066 transitions. [2021-12-06 18:04:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-06 18:04:26,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:04:26,036 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] [2021-12-06 18:04:26,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Ended with exit code 0 [2021-12-06 18:04:26,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2021-12-06 18:04:26,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt [2021-12-06 18:04:26,437 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:04:26,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:26,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1807226178, now seen corresponding path program 1 times [2021-12-06 18:04:26,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:04:26,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167722550] [2021-12-06 18:04:26,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:26,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:04:26,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:04:26,439 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:04:26,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-12-06 18:04:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:04:28,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:04:28,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:04:28,265 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 [2021-12-06 18:04:30,341 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 14 treesize of output 11 [2021-12-06 18:04:34,434 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 [2021-12-06 18:04:34,622 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 [2021-12-06 18:04:34,740 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 [2021-12-06 18:04:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-06 18:04:34,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:04:34,880 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:04:34,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167722550] [2021-12-06 18:04:34,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167722550] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:04:34,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:04:34,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:04:34,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980745828] [2021-12-06 18:04:34,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:04:34,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:04:34,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:04:34,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:04:34,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2021-12-06 18:04:34,881 INFO L87 Difference]: Start difference. First operand 1454 states and 2066 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2021-12-06 18:04:36,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:04:37,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:04:37,543 INFO L93 Difference]: Finished difference Result 1478 states and 2099 transitions. [2021-12-06 18:04:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:04:37,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 121 [2021-12-06 18:04:37,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:04:37,546 INFO L225 Difference]: With dead ends: 1478 [2021-12-06 18:04:37,546 INFO L226 Difference]: Without dead ends: 1476 [2021-12-06 18:04:37,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2021-12-06 18:04:37,547 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 81 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 452 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:04:37,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 2354 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 1 Unknown, 452 Unchecked, 2.6s Time] [2021-12-06 18:04:37,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2021-12-06 18:04:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1461. [2021-12-06 18:04:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 965 states have (on average 1.688082901554404) internal successors, (1629), 1153 states have internal predecessors, (1629), 220 states have call successors, (220), 102 states have call predecessors, (220), 103 states have return successors, (221), 217 states have call predecessors, (221), 220 states have call successors, (221) [2021-12-06 18:04:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2070 transitions. [2021-12-06 18:04:37,565 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2070 transitions. Word has length 121 [2021-12-06 18:04:37,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:04:37,565 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2070 transitions. [2021-12-06 18:04:37,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2021-12-06 18:04:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2070 transitions. [2021-12-06 18:04:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 18:04:37,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:04:37,566 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] [2021-12-06 18:04:37,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2021-12-06 18:04:37,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:04:37,767 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:04:37,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1016230897, now seen corresponding path program 1 times [2021-12-06 18:04:37,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:04:37,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544428726] [2021-12-06 18:04:37,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:37,772 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:04:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:04:37,775 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:04:37,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-12-06 18:04:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:04:38,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:04:38,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:04:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:04:38,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:04:38,820 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:04:38,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544428726] [2021-12-06 18:04:38,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544428726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:04:38,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:04:38,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:04:38,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778702671] [2021-12-06 18:04:38,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:04:38,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 18:04:38,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:04:38,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:04:38,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:04:38,822 INFO L87 Difference]: Start difference. First operand 1461 states and 2070 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 18:04:38,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:04:38,932 INFO L93 Difference]: Finished difference Result 2977 states and 4470 transitions. [2021-12-06 18:04:38,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 18:04:38,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 127 [2021-12-06 18:04:38,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:04:38,936 INFO L225 Difference]: With dead ends: 2977 [2021-12-06 18:04:38,937 INFO L226 Difference]: Without dead ends: 2977 [2021-12-06 18:04:38,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:04:38,937 INFO L933 BasicCegarLoop]: 1959 mSDtfsCounter, 763 mSDsluCounter, 8191 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 10150 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:04:38,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [803 Valid, 10150 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 18:04:38,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2021-12-06 18:04:38,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 1324. [2021-12-06 18:04:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 871 states have (on average 1.6842709529276694) internal successors, (1467), 1057 states have internal predecessors, (1467), 192 states have call successors, (192), 87 states have call predecessors, (192), 88 states have return successors, (193), 190 states have call predecessors, (193), 192 states have call successors, (193) [2021-12-06 18:04:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1852 transitions. [2021-12-06 18:04:38,966 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1852 transitions. Word has length 127 [2021-12-06 18:04:38,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:04:38,966 INFO L470 AbstractCegarLoop]: Abstraction has 1324 states and 1852 transitions. [2021-12-06 18:04:38,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 18:04:38,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1852 transitions. [2021-12-06 18:04:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-06 18:04:38,967 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:04:38,967 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] [2021-12-06 18:04:38,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-12-06 18:04:39,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:04:39,168 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:04:39,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:39,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2002999623, now seen corresponding path program 1 times [2021-12-06 18:04:39,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:04:39,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812526844] [2021-12-06 18:04:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:39,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:04:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:04:39,170 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:04:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-12-06 18:04:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:04:40,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 18:04:40,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:04:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 18:04:40,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:04:40,231 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:04:40,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812526844] [2021-12-06 18:04:40,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812526844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:04:40,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:04:40,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 18:04:40,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834230316] [2021-12-06 18:04:40,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:04:40,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 18:04:40,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:04:40,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 18:04:40,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-12-06 18:04:40,233 INFO L87 Difference]: Start difference. First operand 1324 states and 1852 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 18:04:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:04:40,497 INFO L93 Difference]: Finished difference Result 1193 states and 1641 transitions. [2021-12-06 18:04:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 18:04:40,498 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2021-12-06 18:04:40,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:04:40,500 INFO L225 Difference]: With dead ends: 1193 [2021-12-06 18:04:40,500 INFO L226 Difference]: Without dead ends: 1178 [2021-12-06 18:04:40,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-12-06 18:04:40,500 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 26 mSDsluCounter, 8123 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 8865 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:04:40,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 8865 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 18:04:40,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2021-12-06 18:04:40,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1178. [2021-12-06 18:04:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 770 states have (on average 1.6857142857142857) internal successors, (1298), 954 states have internal predecessors, (1298), 164 states have call successors, (164), 71 states have call predecessors, (164), 71 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2021-12-06 18:04:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1626 transitions. [2021-12-06 18:04:40,513 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1626 transitions. Word has length 128 [2021-12-06 18:04:40,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:04:40,513 INFO L470 AbstractCegarLoop]: Abstraction has 1178 states and 1626 transitions. [2021-12-06 18:04:40,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 18:04:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1626 transitions. [2021-12-06 18:04:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-06 18:04:40,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:04:40,514 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] [2021-12-06 18:04:40,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-12-06 18:04:40,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:04:40,715 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:04:40,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1231645919, now seen corresponding path program 1 times [2021-12-06 18:04:40,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:04:40,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360296127] [2021-12-06 18:04:40,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:40,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:04:40,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:04:40,717 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:04:40,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-12-06 18:04:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:04:41,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:04:41,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:04:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 18:04:41,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:04:41,639 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:04:41,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360296127] [2021-12-06 18:04:41,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360296127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:04:41,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:04:41,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:04:41,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352406189] [2021-12-06 18:04:41,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:04:41,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:04:41,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:04:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:04:41,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:04:41,640 INFO L87 Difference]: Start difference. First operand 1178 states and 1626 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 18:04:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:04:41,652 INFO L93 Difference]: Finished difference Result 1176 states and 1622 transitions. [2021-12-06 18:04:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:04:41,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 137 [2021-12-06 18:04:41,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:04:41,654 INFO L225 Difference]: With dead ends: 1176 [2021-12-06 18:04:41,654 INFO L226 Difference]: Without dead ends: 1176 [2021-12-06 18:04:41,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:04:41,655 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 0 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2240 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 [2021-12-06 18:04:41,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2240 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:04:41,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2021-12-06 18:04:41,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2021-12-06 18:04:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 769 states have (on average 1.6853055916775033) internal successors, (1296), 952 states have internal predecessors, (1296), 163 states have call successors, (163), 71 states have call predecessors, (163), 71 states have return successors, (163), 161 states have call predecessors, (163), 163 states have call successors, (163) [2021-12-06 18:04:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1622 transitions. [2021-12-06 18:04:41,667 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1622 transitions. Word has length 137 [2021-12-06 18:04:41,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:04:41,668 INFO L470 AbstractCegarLoop]: Abstraction has 1176 states and 1622 transitions. [2021-12-06 18:04:41,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 18:04:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1622 transitions. [2021-12-06 18:04:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-12-06 18:04:41,668 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:04:41,668 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] [2021-12-06 18:04:41,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2021-12-06 18:04:41,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:04:41,869 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 18:04:41,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:04:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash 2065698045, now seen corresponding path program 1 times [2021-12-06 18:04:41,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:04:41,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302429705] [2021-12-06 18:04:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:04:41,871 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:04:41,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:04:41,871 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:04:41,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-12-06 18:04:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:44,353 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:04:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:04:46,233 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 18:04:46,233 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 18:04:46,234 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK (204 of 205 remaining) [2021-12-06 18:04:46,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr0REQUIRES_VIOLATION (203 of 205 remaining) [2021-12-06 18:04:46,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr1REQUIRES_VIOLATION (202 of 205 remaining) [2021-12-06 18:04:46,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr2REQUIRES_VIOLATION (201 of 205 remaining) [2021-12-06 18:04:46,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr3REQUIRES_VIOLATION (200 of 205 remaining) [2021-12-06 18:04:46,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr0REQUIRES_VIOLATION (199 of 205 remaining) [2021-12-06 18:04:46,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr1REQUIRES_VIOLATION (198 of 205 remaining) [2021-12-06 18:04:46,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr0REQUIRES_VIOLATION (197 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr1REQUIRES_VIOLATION (196 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0REQUIRES_VIOLATION (195 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1REQUIRES_VIOLATION (194 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2REQUIRES_VIOLATION (193 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3REQUIRES_VIOLATION (192 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4REQUIRES_VIOLATION (191 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5REQUIRES_VIOLATION (190 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr6REQUIRES_VIOLATION (189 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr7REQUIRES_VIOLATION (188 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr8REQUIRES_VIOLATION (187 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr9REQUIRES_VIOLATION (186 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr0REQUIRES_VIOLATION (185 of 205 remaining) [2021-12-06 18:04:46,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr1REQUIRES_VIOLATION (184 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr0REQUIRES_VIOLATION (183 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr1REQUIRES_VIOLATION (182 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr0REQUIRES_VIOLATION (181 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr1REQUIRES_VIOLATION (180 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr0REQUIRES_VIOLATION (179 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr1REQUIRES_VIOLATION (178 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr0REQUIRES_VIOLATION (177 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr1REQUIRES_VIOLATION (176 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (175 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (174 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (173 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (172 of 205 remaining) [2021-12-06 18:04:46,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (171 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (170 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION (169 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION (168 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION (167 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION (166 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION (165 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION (164 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION (163 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION (162 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION (161 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION (160 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION (159 of 205 remaining) [2021-12-06 18:04:46,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION (158 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATION (157 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATION (156 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATION (155 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATION (154 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATION (153 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATION (152 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATION (151 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATION (150 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATION (149 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATION (148 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATION (147 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATION (146 of 205 remaining) [2021-12-06 18:04:46,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATION (145 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATION (144 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATION (143 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATION (142 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATION (141 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATION (140 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATION (139 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATION (138 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATION (137 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATION (136 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATION (135 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATION (134 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATION (133 of 205 remaining) [2021-12-06 18:04:46,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATION (132 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATION (131 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATION (130 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATION (129 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATION (128 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATION (127 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATION (126 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATION (125 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATION (124 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATION (123 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATION (122 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATION (121 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATION (120 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATION (119 of 205 remaining) [2021-12-06 18:04:46,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATION (118 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATION (117 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATION (116 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATION (115 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATION (114 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATION (113 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATION (112 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATION (111 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATION (110 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATION (109 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATION (108 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATION (107 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATION (106 of 205 remaining) [2021-12-06 18:04:46,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATION (105 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATION (104 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATION (103 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATION (102 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATION (101 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATION (100 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATION (99 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATION (98 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATION (97 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATION (96 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATION (95 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATION (94 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82REQUIRES_VIOLATION (93 of 205 remaining) [2021-12-06 18:04:46,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83REQUIRES_VIOLATION (92 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84REQUIRES_VIOLATION (91 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85REQUIRES_VIOLATION (90 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86REQUIRES_VIOLATION (89 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87REQUIRES_VIOLATION (88 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88REQUIRES_VIOLATION (87 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89REQUIRES_VIOLATION (86 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90REQUIRES_VIOLATION (85 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91REQUIRES_VIOLATION (84 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92REQUIRES_VIOLATION (83 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93REQUIRES_VIOLATION (82 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94REQUIRES_VIOLATION (81 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95REQUIRES_VIOLATION (80 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96REQUIRES_VIOLATION (79 of 205 remaining) [2021-12-06 18:04:46,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97REQUIRES_VIOLATION (78 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98REQUIRES_VIOLATION (77 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99REQUIRES_VIOLATION (76 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100REQUIRES_VIOLATION (75 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101REQUIRES_VIOLATION (74 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102REQUIRES_VIOLATION (73 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103REQUIRES_VIOLATION (72 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104REQUIRES_VIOLATION (71 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105REQUIRES_VIOLATION (70 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106REQUIRES_VIOLATION (69 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107REQUIRES_VIOLATION (68 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108REQUIRES_VIOLATION (67 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109REQUIRES_VIOLATION (66 of 205 remaining) [2021-12-06 18:04:46,245 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110REQUIRES_VIOLATION (65 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111REQUIRES_VIOLATION (64 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112REQUIRES_VIOLATION (63 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113REQUIRES_VIOLATION (62 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114REQUIRES_VIOLATION (61 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115REQUIRES_VIOLATION (60 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116REQUIRES_VIOLATION (59 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117REQUIRES_VIOLATION (58 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118REQUIRES_VIOLATION (57 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119REQUIRES_VIOLATION (56 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120REQUIRES_VIOLATION (55 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121REQUIRES_VIOLATION (54 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122REQUIRES_VIOLATION (53 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123REQUIRES_VIOLATION (52 of 205 remaining) [2021-12-06 18:04:46,246 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124REQUIRES_VIOLATION (51 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125REQUIRES_VIOLATION (50 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126REQUIRES_VIOLATION (49 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127REQUIRES_VIOLATION (48 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128REQUIRES_VIOLATION (47 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129REQUIRES_VIOLATION (46 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130REQUIRES_VIOLATION (45 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131REQUIRES_VIOLATION (44 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132REQUIRES_VIOLATION (43 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133REQUIRES_VIOLATION (42 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134REQUIRES_VIOLATION (41 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135REQUIRES_VIOLATION (40 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136REQUIRES_VIOLATION (39 of 205 remaining) [2021-12-06 18:04:46,247 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr137REQUIRES_VIOLATION (38 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr138REQUIRES_VIOLATION (37 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr139REQUIRES_VIOLATION (36 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr140REQUIRES_VIOLATION (35 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr141REQUIRES_VIOLATION (34 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr142REQUIRES_VIOLATION (33 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr143REQUIRES_VIOLATION (32 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr144REQUIRES_VIOLATION (31 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr145REQUIRES_VIOLATION (30 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr146REQUIRES_VIOLATION (29 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr147REQUIRES_VIOLATION (28 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr148REQUIRES_VIOLATION (27 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr149REQUIRES_VIOLATION (26 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr150REQUIRES_VIOLATION (25 of 205 remaining) [2021-12-06 18:04:46,248 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr151REQUIRES_VIOLATION (24 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr152REQUIRES_VIOLATION (23 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr153REQUIRES_VIOLATION (22 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr154REQUIRES_VIOLATION (21 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr155REQUIRES_VIOLATION (20 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr156REQUIRES_VIOLATION (19 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr157REQUIRES_VIOLATION (18 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr158REQUIRES_VIOLATION (17 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr159REQUIRES_VIOLATION (16 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr160REQUIRES_VIOLATION (15 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr161REQUIRES_VIOLATION (14 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr162REQUIRES_VIOLATION (13 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr163REQUIRES_VIOLATION (12 of 205 remaining) [2021-12-06 18:04:46,249 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr0REQUIRES_VIOLATION (11 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr1REQUIRES_VIOLATION (10 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr2REQUIRES_VIOLATION (9 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr3REQUIRES_VIOLATION (8 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr4REQUIRES_VIOLATION (7 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr5REQUIRES_VIOLATION (6 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr6REQUIRES_VIOLATION (5 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr7REQUIRES_VIOLATION (4 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr8REQUIRES_VIOLATION (3 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr9REQUIRES_VIOLATION (2 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr10REQUIRES_VIOLATION (1 of 205 remaining) [2021-12-06 18:04:46,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr11REQUIRES_VIOLATION (0 of 205 remaining) [2021-12-06 18:04:46,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-12-06 18:04:46,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:04:46,460 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] [2021-12-06 18:04:46,473 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:04:46,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:04:46 BoogieIcfgContainer [2021-12-06 18:04:46,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:04:46,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:04:46,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:04:46,673 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:04:46,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:59:30" (3/4) ... [2021-12-06 18:04:46,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:04:46,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:04:46,676 INFO L158 Benchmark]: Toolchain (without parser) took 322165.07ms. Allocated memory was 67.1MB in the beginning and 264.2MB in the end (delta: 197.1MB). Free memory was 49.2MB in the beginning and 76.8MB in the end (delta: -27.6MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. [2021-12-06 18:04:46,677 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:04:46,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.58ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 49.0MB in the beginning and 48.0MB in the end (delta: 993.0kB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-12-06 18:04:46,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.06ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 39.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 18:04:46,677 INFO L158 Benchmark]: Boogie Preprocessor took 67.39ms. Allocated memory is still 81.8MB. Free memory was 39.6MB in the beginning and 31.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 18:04:46,677 INFO L158 Benchmark]: RCFGBuilder took 4728.40ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 31.2MB in the beginning and 74.9MB in the end (delta: -43.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2021-12-06 18:04:46,677 INFO L158 Benchmark]: TraceAbstraction took 315858.46ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 73.8MB in the beginning and 76.8MB in the end (delta: -3.0MB). Peak memory consumption was 157.5MB. Max. memory is 16.1GB. [2021-12-06 18:04:46,678 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 264.2MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:04:46,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.58ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 49.0MB in the beginning and 48.0MB in the end (delta: 993.0kB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.06ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 39.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.39ms. Allocated memory is still 81.8MB. Free memory was 39.6MB in the beginning and 31.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4728.40ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 31.2MB in the beginning and 74.9MB in the end (delta: -43.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * TraceAbstraction took 315858.46ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 73.8MB in the beginning and 76.8MB in the end (delta: -3.0MB). Peak memory consumption was 157.5MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 264.2MB. Free memory is still 76.8MB. 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]; [L2598] struct ddv_pci_driver registered_pci_driver; [L2609] struct registered_irq registered_irq[16]; [L2619] short number_tasklet_registered = 0; [L2626] struct ddv_tasklet tasklet_registered[1]; [L2636] short number_timer_registered = 0; [L2642] struct ddv_timer timer_registered[1]; [L2652] struct work_struct *shared_workqueue[10]; [L2662] spinlock_t kernel_lock; [L3348] request_queue_t fixed_request_queue[10]; [L3350] int number_request_queue_used = 0; [L3434] struct proc_dir_entry *proc_root_driver; [L3744] struct ddv_tty_driver global_tty_driver; [L3923] int ddv_ioport_request_start; [L3924] 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() [L2726] int err; [L2728] current_execution_context = 1 [L2730] CALL init_kernel() [L2666] int 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}, 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}] [L2668] CALL spin_lock_init(&kernel_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}, 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}] [L4156] lock->init = 1 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}] [L4157] 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={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}] [L2668] RET spin_lock_init(&kernel_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}, 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}] [L2670] i = 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}] [L2670] 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=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] 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=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}] [L2670] 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=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}] [L2670] COND TRUE i < 10 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}] [L2671] 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}] [L2670] 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}] [L2670] 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=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] 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=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}] [L2670] 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=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}] [L2670] 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=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] 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=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}] [L2670] 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=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}] [L2670] 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=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] 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=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}] [L2670] 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=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}] [L2670] COND TRUE i < 10 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] 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=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}] [L2670] 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=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}] [L2670] 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=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] 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=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}] [L2670] 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=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}] [L2670] 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=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] 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=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}] [L2670] 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=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}] [L2670] 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=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] 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=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}] [L2670] 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=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}] [L2670] COND TRUE i < 10 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=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] 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=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}] [L2670] 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=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}] [L2670] COND FALSE !(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=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}] [L2674] i = 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=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}] [L2674] COND TRUE i < 1 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=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] tasklet_registered[i].tasklet = ((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=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].is_running = 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}] [L2674] 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}] [L2674] COND FALSE !(i < 1) 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}] [L2730] RET init_kernel() [L2732] CALL, EXPR (* _ddv_module_init)() [L1776] int ret; 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}, 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 [={-1:8}, ={-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={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}] [L4483] 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={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 [={-1:8}, ={-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}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \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) [L3963] return __VERIFIER_nondet_ushort(); [L1470] RET, EXPR inw(0x21A) [L1470] return inw(0x21A); [L1780] RET, EXPR zf_readw(0x02) 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}, 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}, ={-1:7}, ={-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}] [L1786] COND TRUE (action <= 3) && (action >= 0) [L1787] zf_action = zf_action>>action 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}, 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}, ={-1:7}, ={-1:8}, ={-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 [={-1:7}, ={-1:7}, ={-1:8}, ={-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}] [L4483] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \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 [={-1:7}, ={-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, 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 [={-1:8}, ={-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}, 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 [={-1:8}, ={-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={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}] [L4156] lock->init = 1 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}] [L4157] lock->locked = 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}, 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}, ={-1:8}, ={-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}] [L1794] CALL spin_lock_init(&zf_port_lock) 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}, 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}] [L4156] lock->init = 1 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}, 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->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={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 [={-1:7}, ={-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}] [L1796] CALL, EXPR misc_register(&zf_miscdev) [L3494] int i; [L3495] dev_t dev; 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}, 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}] [L3497] COND TRUE fixed_cdev_used < 1 [L3498] i = fixed_cdev_used [L3499] fixed_cdev_used++ 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=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}] [L3501] fixed_cdev[i].owner = ((struct module *) 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=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] EXPR misc->fops 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}, 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}] [L3502] fixed_cdev[i].ops = 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}] [L3504] EXPR misc->minor 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}, 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}] [L3504] dev = (((10) << 20) | (misc->minor)) [L3506] CALL, EXPR cdev_add(&fixed_cdev[i], dev, 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}, 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}] [L3849] 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}] [L3850] 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}] [L3852] int return_value = __VERIFIER_nondet_int(); [L3853] CALL assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \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 [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \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}] [L3853] RET assume_abort_if_not((return_value == 0) || (return_value == -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}] [L3855] COND TRUE return_value == 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}, 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 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}] [L3858] cdev_registered[number_cdev_registered].cdevp = p VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-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}] [L3859] cdev_registered[number_cdev_registered].inode.i_rdev = dev VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-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}] [L3860] cdev_registered[number_cdev_registered].inode.i_cdev = p VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-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].open = 0 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}] [L3863] number_cdev_registered++ 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=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}] [L3869] return return_value; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \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}] [L3506] RET, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, 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}] [L3506] 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}, ={-1:8}, ={-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}, 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}] [L3928] unsigned int i; [L3929] struct resource *resource = (struct resource*)malloc(sizeof(struct resource)); [L3934] ddv_ioport_request_start = start [L3935] ddv_ioport_request_len = len [L3937] return resource; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \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 [={-1:7}, ={-1:7}, ={-1:8}, ={-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) [L4524] int i; [L4524] return i; 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=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}, ={-1:7}, ={-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}, 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}, ={-1:7}, ={-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}, 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}] [L4483] 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=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}, ={-1:8}, ={-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, 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}, ={-1:8}, ={-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=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}] [L3942] unsigned int i = 0; [L3948] ddv_ioport_request_start = 0 [L3949] ddv_ioport_request_len = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-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=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}, ={-1:7}, ={-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=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}] [L4525] int i; [L4525] 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 [={-1:7}, ={-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}, 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}, ={-1:7}, ={-1:8}, \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}] [L2732] RET, EXPR (* _ddv_module_init)() [L2732] err = (* _ddv_module_init)() [L2734] COND TRUE \read(err) [L2735] return -1; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-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: 4156]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4156]: 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: 4157]: 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: 4168]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4168]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4520]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4520]: 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: 4511]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4511]: 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: 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: 4263]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4263]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4214]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4214]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4223]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4223]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4274]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4274]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4180]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4180]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2671]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2671]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2675]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2675]: 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: 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: 3501]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3501]: 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: 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: 3504]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3504]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4249]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4249]: 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: 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: 2769]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2769]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2769]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2769]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2769]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2769]: 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: 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: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: 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: 2783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: 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: 2797]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2797]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2797]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2797]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2797]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2797]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2813]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2813]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2813]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2813]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2813]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2813]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2817]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2817]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2817]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2817]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2817]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2817]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: 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: 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: 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: 2840]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2840]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: 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: 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: 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: 2854]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2854]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: 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: 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: 3038]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3038]: 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: 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: 4366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4366]: 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: 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: 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: 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: 3100]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3100]: 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: 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: 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: 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: 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: 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: 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: 3849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3849]: 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: 3858]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3858]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 670 locations, 205 error locations. Started 1 CEGAR loops. OverallTime: 315.6s, OverallIterations: 33, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 214.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 46 mSolverCounterUnknown, 20686 SdHoareTripleChecker+Valid, 209.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20498 mSDsluCounter, 100511 SdHoareTripleChecker+Invalid, 196.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1542 IncrementalHoareTripleChecker+Unchecked, 75350 mSDsCounter, 1389 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30282 IncrementalHoareTripleChecker+Invalid, 33259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1389 mSolverCounterUnsat, 25161 mSDtfsCounter, 30282 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3563 GetRequests, 3276 SyntacticMatches, 35 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 22.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1714occurred in iteration=16, InterpolantAutomatonStates: 211, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 5163 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 33.7s SatisfiabilityAnalysisTime, 45.9s InterpolantComputationTime, 3054 NumberOfCodeBlocks, 3006 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 3185 ConstructedInterpolants, 100 QuantifiedInterpolants, 40498 SizeOfPredicates, 90 NumberOfNonLiveVariables, 32398 ConjunctsInSsa, 323 ConjunctsInUnsatCore, 47 InterpolantComputations, 21 PerfectInterpolantSequences, 5026/5644 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 [2021-12-06 18:04:46,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccc06fe-6e38-4b8c-b380-842b632465f3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample