./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro --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 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:39:58,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:39:58,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:39:58,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:39:58,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:39:58,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:39:58,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:39:58,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:39:58,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:39:58,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:39:58,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:39:58,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:39:58,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:39:58,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:39:58,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:39:58,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:39:58,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:39:58,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:39:58,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:39:58,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:39:58,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:39:58,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:39:58,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:39:58,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:39:58,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:39:58,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:39:58,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:39:58,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:39:58,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:39:58,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:39:58,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:39:58,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:39:58,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:39:58,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:39:58,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:39:58,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:39:58,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:39:58,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:39:58,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:39:58,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:39:58,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:39:58,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-18 18:39:58,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:39:58,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:39:58,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:39:58,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:39:58,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:39:58,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:39:58,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:39:58,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:39:58,754 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:39:58,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:39:58,755 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:39:58,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:39:58,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:39:58,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:39:58,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:39:58,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 18:39:58,756 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 18:39:58,756 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 18:39:58,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:39:58,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 18:39:58,757 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:39:58,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:39:58,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:39:58,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:39:58,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:39:58,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:39:58,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:39:58,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:39:58,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:39:58,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:39:58,759 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_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2022-11-18 18:39:59,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:39:59,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:39:59,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:39:59,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:39:59,083 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:39:59,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-18 18:39:59,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/b8b7380ec/347c896cc88342acbb8fac5619e76d1b/FLAG01276b885 [2022-11-18 18:39:59,916 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:39:59,916 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-18 18:39:59,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/b8b7380ec/347c896cc88342acbb8fac5619e76d1b/FLAG01276b885 [2022-11-18 18:40:00,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/b8b7380ec/347c896cc88342acbb8fac5619e76d1b [2022-11-18 18:40:00,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:40:00,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:40:00,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:00,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:40:00,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:40:00,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:00" (1/1) ... [2022-11-18 18:40:00,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3372bdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:00, skipping insertion in model container [2022-11-18 18:40:00,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:00" (1/1) ... [2022-11-18 18:40:00,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:40:00,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:40:00,445 WARN L234 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_b837b26f-ba6d-428e-801e-40da3b51179e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-18 18:40:01,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:01,505 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-18 18:40:01,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4129cd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:01, skipping insertion in model container [2022-11-18 18:40:01,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:01,512 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 18:40:01,513 INFO L158 Benchmark]: Toolchain (without parser) took 1433.09ms. Allocated memory is still 146.8MB. Free memory was 106.5MB in the beginning and 92.2MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 18:40:01,514 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:40:01,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1425.08ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 92.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:40:01,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1425.08ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 92.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro --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 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:40:03,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:40:03,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:40:03,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:40:03,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:40:03,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:40:03,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:40:03,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:40:03,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:40:03,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:40:03,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:40:03,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:40:03,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:40:03,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:40:03,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:40:03,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:40:03,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:40:03,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:40:03,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:40:03,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:40:03,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:40:03,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:40:03,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:40:03,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:40:03,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:40:03,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:40:03,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:40:03,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:40:03,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:40:03,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:40:03,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:40:03,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:40:03,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:40:03,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:40:03,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:40:03,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:40:03,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:40:03,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:40:03,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:40:03,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:40:03,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:40:03,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-18 18:40:03,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:40:03,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:40:03,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:40:03,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:40:03,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:40:03,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:40:03,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:40:03,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:40:03,909 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:40:03,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:40:03,910 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:40:03,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:40:03,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:40:03,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:40:03,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:40:03,912 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 18:40:03,912 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 18:40:03,912 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 18:40:03,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:40:03,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 18:40:03,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 18:40:03,914 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 18:40:03,914 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:40:03,914 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:40:03,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:40:03,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:40:03,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:40:03,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:40:03,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:40:03,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:40:03,916 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 18:40:03,917 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 18:40:03,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 18:40:03,918 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_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2022-11-18 18:40:04,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:40:04,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:40:04,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:40:04,338 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:40:04,341 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:40:04,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-18 18:40:04,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/39a69a0b8/6ef461e27c3046abb1195262756b0e5b/FLAG374bb84d9 [2022-11-18 18:40:05,125 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:40:05,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-18 18:40:05,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/39a69a0b8/6ef461e27c3046abb1195262756b0e5b/FLAG374bb84d9 [2022-11-18 18:40:05,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/data/39a69a0b8/6ef461e27c3046abb1195262756b0e5b [2022-11-18 18:40:05,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:40:05,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:40:05,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:05,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:40:05,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:40:05,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:05" (1/1) ... [2022-11-18 18:40:05,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646713f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:05, skipping insertion in model container [2022-11-18 18:40:05,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:05" (1/1) ... [2022-11-18 18:40:05,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:40:05,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:40:05,799 WARN L234 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_b837b26f-ba6d-428e-801e-40da3b51179e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-18 18:40:07,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:07,425 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 18:40:07,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:40:07,452 WARN L234 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_b837b26f-ba6d-428e-801e-40da3b51179e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-18 18:40:07,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:07,669 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:40:07,680 WARN L234 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_b837b26f-ba6d-428e-801e-40da3b51179e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-18 18:40:07,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:08,063 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:40:08,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08 WrapperNode [2022-11-18 18:40:08,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:08,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:40:08,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:40:08,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:40:08,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,271 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 966 [2022-11-18 18:40:08,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:40:08,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:40:08,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:40:08,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:40:08,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:40:08,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:40:08,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:40:08,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:40:08,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (1/1) ... [2022-11-18 18:40:08,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:40:08,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:08,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:08,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:40:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-18 18:40:08,517 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-18 18:40:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-18 18:40:08,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-18 18:40:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:40:08,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-18 18:40:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:40:08,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:40:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:40:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 18:40:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 18:40:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 18:40:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 18:40:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 18:40:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:40:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-18 18:40:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-18 18:40:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-18 18:40:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 18:40:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 18:40:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:40:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-18 18:40:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-18 18:40:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:40:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:40:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:40:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:40:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-18 18:40:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-18 18:40:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-18 18:40:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-18 18:40:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:40:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:40:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-18 18:40:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-18 18:40:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 18:40:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 18:40:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 18:40:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:40:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:40:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:40:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 18:40:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 18:40:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:40:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:40:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 18:40:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 18:40:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 18:40:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-18 18:40:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-18 18:40:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 18:40:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 18:40:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 18:40:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:40:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-18 18:40:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-18 18:40:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-18 18:40:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-18 18:40:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 18:40:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 18:40:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-18 18:40:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-18 18:40:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-18 18:40:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-18 18:40:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-18 18:40:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-18 18:40:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-18 18:40:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-18 18:40:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-18 18:40:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-18 18:40:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 18:40:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-18 18:40:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-18 18:40:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 18:40:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 18:40:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-18 18:40:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-18 18:40:08,979 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:40:08,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:40:14,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:40:14,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:40:14,654 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 18:40:14,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:14 BoogieIcfgContainer [2022-11-18 18:40:14,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:40:14,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:40:14,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:40:14,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:40:14,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:40:05" (1/3) ... [2022-11-18 18:40:14,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1dd1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:40:14, skipping insertion in model container [2022-11-18 18:40:14,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:08" (2/3) ... [2022-11-18 18:40:14,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1dd1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:40:14, skipping insertion in model container [2022-11-18 18:40:14,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:14" (3/3) ... [2022-11-18 18:40:14,666 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2022-11-18 18:40:14,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:40:14,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2022-11-18 18:40:14,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:40:14,762 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@240b7205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:40:14,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2022-11-18 18:40:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 664 states, 354 states have (on average 1.8220338983050848) internal successors, (645), 565 states have internal predecessors, (645), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-18 18:40:14,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 18:40:14,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:14,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 18:40:14,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:40:14,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:14,783 INFO L85 PathProgramCache]: Analyzing trace with hash 327228190, now seen corresponding path program 1 times [2022-11-18 18:40:14,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:14,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853540862] [2022-11-18 18:40:14,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:14,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:14,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:14,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:40:14,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 18:40:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:15,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:40:15,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:15,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:15,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:15,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853540862] [2022-11-18 18:40:15,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853540862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:15,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:15,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:40:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425255282] [2022-11-18 18:40:15,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:15,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:40:15,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:15,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:40:15,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:40:15,535 INFO L87 Difference]: Start difference. First operand has 664 states, 354 states have (on average 1.8220338983050848) internal successors, (645), 565 states have internal predecessors, (645), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:40:17,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:19,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:23,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:23,057 INFO L93 Difference]: Finished difference Result 1200 states and 1437 transitions. [2022-11-18 18:40:23,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:40:23,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 18:40:23,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:23,095 INFO L225 Difference]: With dead ends: 1200 [2022-11-18 18:40:23,096 INFO L226 Difference]: Without dead ends: 1196 [2022-11-18 18:40:23,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:40:23,102 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 684 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:23,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 2463 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1106 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-11-18 18:40:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2022-11-18 18:40:23,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 983. [2022-11-18 18:40:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 590 states have (on average 1.805084745762712) internal successors, (1065), 812 states have internal predecessors, (1065), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2022-11-18 18:40:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1341 transitions. [2022-11-18 18:40:23,211 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1341 transitions. Word has length 5 [2022-11-18 18:40:23,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:23,211 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1341 transitions. [2022-11-18 18:40:23,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:40:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1341 transitions. [2022-11-18 18:40:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 18:40:23,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:23,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 18:40:23,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:23,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:23,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:40:23,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash 327228191, now seen corresponding path program 1 times [2022-11-18 18:40:23,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:23,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537919834] [2022-11-18 18:40:23,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:23,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:23,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:23,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:40:23,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 18:40:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:23,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:40:23,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:23,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:23,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:23,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537919834] [2022-11-18 18:40:23,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537919834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:23,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:23,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:40:23,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099093095] [2022-11-18 18:40:23,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:23,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:40:23,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:23,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:40:23,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:40:23,965 INFO L87 Difference]: Start difference. First operand 983 states and 1341 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:40:25,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:28,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:31,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:31,171 INFO L93 Difference]: Finished difference Result 1115 states and 1433 transitions. [2022-11-18 18:40:31,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:40:31,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 18:40:31,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:31,179 INFO L225 Difference]: With dead ends: 1115 [2022-11-18 18:40:31,179 INFO L226 Difference]: Without dead ends: 1115 [2022-11-18 18:40:31,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:40:31,180 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 268 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:31,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 2618 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-18 18:40:31,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-11-18 18:40:31,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1056. [2022-11-18 18:40:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 631 states have (on average 1.7670364500792393) internal successors, (1115), 854 states have internal predecessors, (1115), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-18 18:40:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1429 transitions. [2022-11-18 18:40:31,237 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1429 transitions. Word has length 5 [2022-11-18 18:40:31,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:31,237 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1429 transitions. [2022-11-18 18:40:31,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:40:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1429 transitions. [2022-11-18 18:40:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 18:40:31,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:31,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:40:31,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:31,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:31,454 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:40:31,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:31,454 INFO L85 PathProgramCache]: Analyzing trace with hash -27521378, now seen corresponding path program 1 times [2022-11-18 18:40:31,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:31,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410208827] [2022-11-18 18:40:31,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:31,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:31,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:31,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:40:31,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 18:40:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:31,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:40:31,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:32,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:32,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:32,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410208827] [2022-11-18 18:40:32,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410208827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:32,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:32,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 18:40:32,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23595428] [2022-11-18 18:40:32,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:32,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:40:32,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:32,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:40:32,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:40:32,035 INFO L87 Difference]: Start difference. First operand 1056 states and 1429 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:40:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:33,689 INFO L93 Difference]: Finished difference Result 1262 states and 1516 transitions. [2022-11-18 18:40:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:40:33,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-18 18:40:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:33,695 INFO L225 Difference]: With dead ends: 1262 [2022-11-18 18:40:33,695 INFO L226 Difference]: Without dead ends: 1262 [2022-11-18 18:40:33,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:40:33,696 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 657 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:33,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1284 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 18:40:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-11-18 18:40:33,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1055. [2022-11-18 18:40:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 631 states have (on average 1.7591125198098256) internal successors, (1110), 853 states have internal predecessors, (1110), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-18 18:40:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1424 transitions. [2022-11-18 18:40:33,735 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1424 transitions. Word has length 11 [2022-11-18 18:40:33,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:33,735 INFO L495 AbstractCegarLoop]: Abstraction has 1055 states and 1424 transitions. [2022-11-18 18:40:33,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:40:33,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1424 transitions. [2022-11-18 18:40:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 18:40:33,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:33,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:40:33,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:33,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:33,949 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:40:33,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:33,950 INFO L85 PathProgramCache]: Analyzing trace with hash -27521377, now seen corresponding path program 1 times [2022-11-18 18:40:33,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:33,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166613726] [2022-11-18 18:40:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:33,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:33,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:33,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:40:33,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 18:40:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:34,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:40:34,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:34,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:34,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:34,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166613726] [2022-11-18 18:40:34,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166613726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:34,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:34,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:40:34,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813267185] [2022-11-18 18:40:34,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:34,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:40:34,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:34,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:40:34,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:40:34,621 INFO L87 Difference]: Start difference. First operand 1055 states and 1424 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:40:36,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:39,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:39,169 INFO L93 Difference]: Finished difference Result 1121 states and 1439 transitions. [2022-11-18 18:40:39,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:40:39,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-18 18:40:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:39,175 INFO L225 Difference]: With dead ends: 1121 [2022-11-18 18:40:39,175 INFO L226 Difference]: Without dead ends: 1121 [2022-11-18 18:40:39,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:40:39,176 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 261 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:39,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1988 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 574 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-18 18:40:39,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-11-18 18:40:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1058. [2022-11-18 18:40:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 634 states have (on average 1.7555205047318612) internal successors, (1113), 856 states have internal predecessors, (1113), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-18 18:40:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1427 transitions. [2022-11-18 18:40:39,211 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1427 transitions. Word has length 11 [2022-11-18 18:40:39,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:39,211 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1427 transitions. [2022-11-18 18:40:39,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:40:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1427 transitions. [2022-11-18 18:40:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 18:40:39,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:39,212 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:40:39,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:39,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:39,438 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:40:39,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:39,439 INFO L85 PathProgramCache]: Analyzing trace with hash 449678287, now seen corresponding path program 1 times [2022-11-18 18:40:39,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:39,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63449423] [2022-11-18 18:40:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:39,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:39,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:39,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:40:39,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 18:40:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:39,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:40:39,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:40,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:40:40,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:40,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:40,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63449423] [2022-11-18 18:40:40,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63449423] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:40:40,471 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:40:40,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2022-11-18 18:40:40,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990124698] [2022-11-18 18:40:40,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:40:40,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:40:40,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:40,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:40:40,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:40:40,473 INFO L87 Difference]: Start difference. First operand 1058 states and 1427 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 18:40:42,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:44,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:52,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:52,474 INFO L93 Difference]: Finished difference Result 1331 states and 1673 transitions. [2022-11-18 18:40:52,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:40:52,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-11-18 18:40:52,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:52,483 INFO L225 Difference]: With dead ends: 1331 [2022-11-18 18:40:52,484 INFO L226 Difference]: Without dead ends: 1331 [2022-11-18 18:40:52,485 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:40:52,486 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 1046 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 85 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:52,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 3195 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1355 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2022-11-18 18:40:52,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-18 18:40:52,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1205. [2022-11-18 18:40:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 738 states have (on average 1.7411924119241193) internal successors, (1285), 962 states have internal predecessors, (1285), 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) [2022-11-18 18:40:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1653 transitions. [2022-11-18 18:40:52,534 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1653 transitions. Word has length 14 [2022-11-18 18:40:52,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:52,534 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1653 transitions. [2022-11-18 18:40:52,535 INFO L496 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) [2022-11-18 18:40:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1653 transitions. [2022-11-18 18:40:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 18:40:52,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:52,536 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:40:52,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:52,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:52,752 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:40:52,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:52,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1064725833, now seen corresponding path program 1 times [2022-11-18 18:40:52,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:52,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320719983] [2022-11-18 18:40:52,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:52,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:52,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:52,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:40:52,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 18:40:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:53,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:40:53,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:53,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:40:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:53,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:53,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320719983] [2022-11-18 18:40:53,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320719983] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:40:53,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:40:53,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 18:40:53,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773572342] [2022-11-18 18:40:53,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:40:53,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:40:53,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:53,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:40:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:40:53,419 INFO L87 Difference]: Start difference. First operand 1205 states and 1653 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) [2022-11-18 18:40:53,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:53,842 INFO L93 Difference]: Finished difference Result 1211 states and 1657 transitions. [2022-11-18 18:40:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:40:53,844 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 [2022-11-18 18:40:53,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:53,849 INFO L225 Difference]: With dead ends: 1211 [2022-11-18 18:40:53,849 INFO L226 Difference]: Without dead ends: 1211 [2022-11-18 18:40:53,849 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:40:53,850 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 883 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:53,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 2924 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 18:40:53,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-11-18 18:40:53,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2022-11-18 18:40:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 743 states have (on average 1.7348586810228803) internal successors, (1289), 967 states have internal predecessors, (1289), 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) [2022-11-18 18:40:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1657 transitions. [2022-11-18 18:40:53,884 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1657 transitions. Word has length 19 [2022-11-18 18:40:53,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:53,884 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1657 transitions. [2022-11-18 18:40:53,885 INFO L496 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) [2022-11-18 18:40:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1657 transitions. [2022-11-18 18:40:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 18:40:53,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:53,886 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:40:53,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:54,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:54,102 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:40:54,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:54,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1407192417, now seen corresponding path program 2 times [2022-11-18 18:40:54,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:54,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408608948] [2022-11-18 18:40:54,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:40:54,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:40:54,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:54,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:40:54,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 18:40:54,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 18:40:54,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:40:54,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 18:40:54,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:55,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:40:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:56,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:56,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408608948] [2022-11-18 18:40:56,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408608948] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:40:56,280 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:40:56,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2022-11-18 18:40:56,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154379661] [2022-11-18 18:40:56,280 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:40:56,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 18:40:56,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:56,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 18:40:56,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:40:56,282 INFO L87 Difference]: Start difference. First operand 1210 states and 1657 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) [2022-11-18 18:40:58,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:00,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:02,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:04,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:06,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:08,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:26,044 INFO L93 Difference]: Finished difference Result 1337 states and 1691 transitions. [2022-11-18 18:41:26,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 18:41:26,045 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 [2022-11-18 18:41:26,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:26,050 INFO L225 Difference]: With dead ends: 1337 [2022-11-18 18:41:26,050 INFO L226 Difference]: Without dead ends: 1337 [2022-11-18 18:41:26,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=243, Invalid=407, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:41:26,051 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 733 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 94 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 6337 SdHoareTripleChecker+Invalid, 3227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:26,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 6337 Invalid, 3227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3127 Invalid, 6 Unknown, 0 Unchecked, 27.4s Time] [2022-11-18 18:41:26,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2022-11-18 18:41:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1223. [2022-11-18 18:41:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 756 states have (on average 1.7261904761904763) internal successors, (1305), 980 states have internal predecessors, (1305), 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) [2022-11-18 18:41:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1673 transitions. [2022-11-18 18:41:26,084 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1673 transitions. Word has length 23 [2022-11-18 18:41:26,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:26,085 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1673 transitions. [2022-11-18 18:41:26,085 INFO L496 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) [2022-11-18 18:41:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1673 transitions. [2022-11-18 18:41:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 18:41:26,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:26,086 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:41:26,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-18 18:41:26,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:41:26,303 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:41:26,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:26,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179145, now seen corresponding path program 2 times [2022-11-18 18:41:26,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:41:26,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978846401] [2022-11-18 18:41:26,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:41:26,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:41:26,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:41:26,306 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:41:26,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 18:41:26,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:41:26,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:41:26,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:41:26,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:41:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 18:41:27,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:41:27,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:41:27,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978846401] [2022-11-18 18:41:27,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978846401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:27,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:27,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 18:41:27,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264939054] [2022-11-18 18:41:27,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:27,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:41:27,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:41:27,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:41:27,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:41:27,068 INFO L87 Difference]: Start difference. First operand 1223 states and 1673 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) [2022-11-18 18:41:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:28,732 INFO L93 Difference]: Finished difference Result 1431 states and 1766 transitions. [2022-11-18 18:41:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:41:28,733 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 [2022-11-18 18:41:28,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:28,738 INFO L225 Difference]: With dead ends: 1431 [2022-11-18 18:41:28,738 INFO L226 Difference]: Without dead ends: 1431 [2022-11-18 18:41:28,738 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:41:28,739 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 643 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:28,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1282 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 18:41:28,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2022-11-18 18:41:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1221. [2022-11-18 18:41:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 756 states have (on average 1.7142857142857142) internal successors, (1296), 978 states have internal predecessors, (1296), 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) [2022-11-18 18:41:28,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1664 transitions. [2022-11-18 18:41:28,772 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1664 transitions. Word has length 31 [2022-11-18 18:41:28,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:28,773 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1664 transitions. [2022-11-18 18:41:28,773 INFO L496 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) [2022-11-18 18:41:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1664 transitions. [2022-11-18 18:41:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 18:41:28,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:28,774 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:41:28,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:41:28,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:41:28,991 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:41:28,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:28,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179146, now seen corresponding path program 1 times [2022-11-18 18:41:28,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:41:28,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606870486] [2022-11-18 18:41:28,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:28,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:41:28,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:41:28,992 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:41:28,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 18:41:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:29,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:41:29,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:41:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:29,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:41:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:29,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:41:29,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606870486] [2022-11-18 18:41:29,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606870486] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:41:29,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:41:29,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-18 18:41:29,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300547655] [2022-11-18 18:41:29,968 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:41:29,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-18 18:41:29,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:41:29,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-18 18:41:29,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:41:29,969 INFO L87 Difference]: Start difference. First operand 1221 states and 1664 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) [2022-11-18 18:41:30,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:30,913 INFO L93 Difference]: Finished difference Result 1221 states and 1660 transitions. [2022-11-18 18:41:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 18:41:30,914 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 [2022-11-18 18:41:30,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:30,919 INFO L225 Difference]: With dead ends: 1221 [2022-11-18 18:41:30,919 INFO L226 Difference]: Without dead ends: 1221 [2022-11-18 18:41:30,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-18 18:41:30,920 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 3391 mSDsluCounter, 4789 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 5569 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:30,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 5569 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 18:41:30,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-11-18 18:41:30,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2022-11-18 18:41:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 756 states have (on average 1.708994708994709) internal successors, (1292), 978 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) [2022-11-18 18:41:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1660 transitions. [2022-11-18 18:41:30,951 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1660 transitions. Word has length 31 [2022-11-18 18:41:30,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:30,951 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1660 transitions. [2022-11-18 18:41:30,952 INFO L496 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) [2022-11-18 18:41:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1660 transitions. [2022-11-18 18:41:30,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-18 18:41:30,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:30,953 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:41:30,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 18:41:31,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:41:31,171 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:41:31,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:31,171 INFO L85 PathProgramCache]: Analyzing trace with hash -738162529, now seen corresponding path program 3 times [2022-11-18 18:41:31,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:41:31,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281065788] [2022-11-18 18:41:31,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 18:41:31,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:41:31,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:41:31,174 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:41:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 18:41:32,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-18 18:41:32,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:41:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 18:41:32,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:41:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:33,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:41:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:36,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:41:36,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281065788] [2022-11-18 18:41:36,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281065788] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:41:36,250 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:41:36,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2022-11-18 18:41:36,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291901455] [2022-11-18 18:41:36,251 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:41:36,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 18:41:36,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:41:36,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 18:41:36,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:41:36,253 INFO L87 Difference]: Start difference. First operand 1221 states and 1660 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) [2022-11-18 18:41:38,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:40,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:42,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:44,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:46,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:48,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:50,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:52,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:54,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:56,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:23,932 INFO L93 Difference]: Finished difference Result 1570 states and 1888 transitions. [2022-11-18 18:42:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 18:42:23,933 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 [2022-11-18 18:42:23,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:23,938 INFO L225 Difference]: With dead ends: 1570 [2022-11-18 18:42:23,938 INFO L226 Difference]: Without dead ends: 1570 [2022-11-18 18:42:23,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2022-11-18 18:42:23,939 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 2460 mSDsluCounter, 8064 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 268 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 8805 SdHoareTripleChecker+Invalid, 5739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:23,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 8805 Invalid, 5739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [268 Valid, 5461 Invalid, 10 Unknown, 0 Unchecked, 46.9s Time] [2022-11-18 18:42:23,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-11-18 18:42:23,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1219. [2022-11-18 18:42:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 755 states have (on average 1.7072847682119205) internal successors, (1289), 976 states have internal predecessors, (1289), 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) [2022-11-18 18:42:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1657 transitions. [2022-11-18 18:42:23,969 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1657 transitions. Word has length 41 [2022-11-18 18:42:23,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:23,969 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1657 transitions. [2022-11-18 18:42:23,970 INFO L496 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) [2022-11-18 18:42:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1657 transitions. [2022-11-18 18:42:23,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 18:42:23,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:23,971 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:23,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:24,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:24,190 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:42:24,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:24,191 INFO L85 PathProgramCache]: Analyzing trace with hash -704629430, now seen corresponding path program 2 times [2022-11-18 18:42:24,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:24,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551832885] [2022-11-18 18:42:24,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:42:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:24,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:24,192 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:42:24,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-18 18:42:24,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:42:24,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:42:24,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:42:24,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-18 18:42:25,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:42:25,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:25,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551832885] [2022-11-18 18:42:25,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551832885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:25,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:25,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:42:25,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059774716] [2022-11-18 18:42:25,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:25,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:42:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:25,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:42:25,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:42:25,129 INFO L87 Difference]: Start difference. First operand 1219 states and 1657 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) [2022-11-18 18:42:27,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:29,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:29,411 INFO L93 Difference]: Finished difference Result 1275 states and 1669 transitions. [2022-11-18 18:42:29,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:42:29,412 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 [2022-11-18 18:42:29,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:29,417 INFO L225 Difference]: With dead ends: 1275 [2022-11-18 18:42:29,417 INFO L226 Difference]: Without dead ends: 1275 [2022-11-18 18:42:29,417 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:42:29,418 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 236 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:29,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1974 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 571 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-18 18:42:29,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-11-18 18:42:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1217. [2022-11-18 18:42:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 755 states have (on average 1.7046357615894039) internal successors, (1287), 974 states have internal predecessors, (1287), 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) [2022-11-18 18:42:29,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1655 transitions. [2022-11-18 18:42:29,447 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1655 transitions. Word has length 43 [2022-11-18 18:42:29,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:29,447 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1655 transitions. [2022-11-18 18:42:29,447 INFO L496 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) [2022-11-18 18:42:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1655 transitions. [2022-11-18 18:42:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 18:42:29,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:29,449 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:42:29,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:29,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:29,665 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:42:29,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:29,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2020825701, now seen corresponding path program 1 times [2022-11-18 18:42:29,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:29,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556438571] [2022-11-18 18:42:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:29,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:29,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:29,667 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:42:29,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-18 18:42:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:30,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:42:30,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:42:30,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:42:30,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:30,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556438571] [2022-11-18 18:42:30,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556438571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:30,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:30,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:42:30,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499982390] [2022-11-18 18:42:30,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:30,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:42:30,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:30,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:42:30,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:42:30,466 INFO L87 Difference]: Start difference. First operand 1217 states and 1655 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 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) [2022-11-18 18:42:30,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:30,482 INFO L93 Difference]: Finished difference Result 1217 states and 1654 transitions. [2022-11-18 18:42:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:42:30,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 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 [2022-11-18 18:42:30,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:30,488 INFO L225 Difference]: With dead ends: 1217 [2022-11-18 18:42:30,488 INFO L226 Difference]: Without dead ends: 1217 [2022-11-18 18:42:30,489 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:42:30,489 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:30,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 785 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:42:30,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-11-18 18:42:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1217. [2022-11-18 18:42:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 755 states have (on average 1.7033112582781458) internal successors, (1286), 974 states have internal predecessors, (1286), 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) [2022-11-18 18:42:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1654 transitions. [2022-11-18 18:42:30,528 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1654 transitions. Word has length 67 [2022-11-18 18:42:30,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:30,530 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1654 transitions. [2022-11-18 18:42:30,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 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) [2022-11-18 18:42:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1654 transitions. [2022-11-18 18:42:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 18:42:30,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:30,537 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:42:30,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:30,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:30,759 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:42:30,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:30,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823779, now seen corresponding path program 1 times [2022-11-18 18:42:30,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:30,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811706346] [2022-11-18 18:42:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:30,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:30,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:30,762 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:42:30,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-18 18:42:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:31,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:42:31,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:31,459 INFO L350 Elim1Store]: Elim1 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 7 [2022-11-18 18:42:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:42:31,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:42:31,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:31,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811706346] [2022-11-18 18:42:31,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811706346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:31,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:31,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:42:31,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278394624] [2022-11-18 18:42:31,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:31,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:42:31,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:31,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:42:31,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:42:31,472 INFO L87 Difference]: Start difference. First operand 1217 states and 1654 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) [2022-11-18 18:42:33,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:34,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:34,371 INFO L93 Difference]: Finished difference Result 1216 states and 1653 transitions. [2022-11-18 18:42:34,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:42:34,376 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 [2022-11-18 18:42:34,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:34,381 INFO L225 Difference]: With dead ends: 1216 [2022-11-18 18:42:34,382 INFO L226 Difference]: Without dead ends: 1216 [2022-11-18 18:42:34,382 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:42:34,383 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 2 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:34,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1355 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-18 18:42:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2022-11-18 18:42:34,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1216. [2022-11-18 18:42:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 755 states have (on average 1.7019867549668874) internal successors, (1285), 973 states have internal predecessors, (1285), 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) [2022-11-18 18:42:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1653 transitions. [2022-11-18 18:42:34,411 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1653 transitions. Word has length 67 [2022-11-18 18:42:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:34,411 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 1653 transitions. [2022-11-18 18:42:34,411 INFO L496 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) [2022-11-18 18:42:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1653 transitions. [2022-11-18 18:42:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 18:42:34,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:34,412 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:42:34,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:34,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:34,631 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:42:34,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:34,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823780, now seen corresponding path program 1 times [2022-11-18 18:42:34,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:34,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642149739] [2022-11-18 18:42:34,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:34,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:34,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:34,635 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:42:34,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-18 18:42:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:35,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 18:42:35,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:35,606 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:42:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:42:35,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:42:35,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:35,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642149739] [2022-11-18 18:42:35,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642149739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:35,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:35,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:42:35,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693019718] [2022-11-18 18:42:35,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:35,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:42:35,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:35,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:42:35,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:42:35,634 INFO L87 Difference]: Start difference. First operand 1216 states and 1653 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) [2022-11-18 18:42:37,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:38,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:38,933 INFO L93 Difference]: Finished difference Result 1215 states and 1652 transitions. [2022-11-18 18:42:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:42:38,934 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 [2022-11-18 18:42:38,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:38,939 INFO L225 Difference]: With dead ends: 1215 [2022-11-18 18:42:38,939 INFO L226 Difference]: Without dead ends: 1215 [2022-11-18 18:42:38,940 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:42:38,940 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 747 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:38,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1356 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-18 18:42:38,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-11-18 18:42:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2022-11-18 18:42:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 755 states have (on average 1.7006622516556291) internal successors, (1284), 972 states have internal predecessors, (1284), 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) [2022-11-18 18:42:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1652 transitions. [2022-11-18 18:42:38,967 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1652 transitions. Word has length 67 [2022-11-18 18:42:38,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:38,967 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1652 transitions. [2022-11-18 18:42:38,967 INFO L496 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) [2022-11-18 18:42:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1652 transitions. [2022-11-18 18:42:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-18 18:42:38,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:38,969 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:42:38,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:39,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:39,188 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:42:39,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:39,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1355687384, now seen corresponding path program 1 times [2022-11-18 18:42:39,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:39,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278159141] [2022-11-18 18:42:39,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:39,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:39,190 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:42:39,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-18 18:42:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:39,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:42:39,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:42:40,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:42:40,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:40,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278159141] [2022-11-18 18:42:40,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278159141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:40,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:40,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:42:40,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950433917] [2022-11-18 18:42:40,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:40,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:42:40,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:40,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:42:40,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:42:40,137 INFO L87 Difference]: Start difference. First operand 1215 states and 1652 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) [2022-11-18 18:42:42,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:43,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:43,164 INFO L93 Difference]: Finished difference Result 1256 states and 1661 transitions. [2022-11-18 18:42:43,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:42:43,165 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 [2022-11-18 18:42:43,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:43,171 INFO L225 Difference]: With dead ends: 1256 [2022-11-18 18:42:43,171 INFO L226 Difference]: Without dead ends: 1244 [2022-11-18 18:42:43,172 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:42:43,172 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 93 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:43,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1317 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-18 18:42:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-11-18 18:42:43,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1211. [2022-11-18 18:42:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 753 states have (on average 1.701195219123506) internal successors, (1281), 970 states have internal predecessors, (1281), 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) [2022-11-18 18:42:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1645 transitions. [2022-11-18 18:42:43,204 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1645 transitions. Word has length 74 [2022-11-18 18:42:43,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:43,205 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1645 transitions. [2022-11-18 18:42:43,205 INFO L496 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) [2022-11-18 18:42:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1645 transitions. [2022-11-18 18:42:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:42:43,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:43,206 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:42:43,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:43,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:43,427 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:42:43,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:43,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150361, now seen corresponding path program 1 times [2022-11-18 18:42:43,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:43,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818244934] [2022-11-18 18:42:43,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:43,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:42:43,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:43,430 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:42:43,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-18 18:42:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:44,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:42:44,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:45,185 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:42:45,185 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 27 [2022-11-18 18:42:45,272 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 20 [2022-11-18 18:42:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:42:45,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:42:45,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:45,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818244934] [2022-11-18 18:42:45,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818244934] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:42:45,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [330444803] [2022-11-18 18:42:45,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:45,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:42:45,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:42:45,480 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:42:45,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-11-18 18:42:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:47,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:42:47,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:48,576 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-18 18:42:48,576 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 43 [2022-11-18 18:42:48,727 INFO L350 Elim1Store]: Elim1 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 21 treesize of output 32 [2022-11-18 18:42:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:42:48,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:42:48,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [330444803] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:42:48,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:42:48,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-18 18:42:48,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152484112] [2022-11-18 18:42:48,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:42:48,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:42:48,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:48,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:42:48,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:42:48,899 INFO L87 Difference]: Start difference. First operand 1211 states and 1645 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) [2022-11-18 18:42:50,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:52,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:54,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:56,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:02,648 INFO L93 Difference]: Finished difference Result 1742 states and 2280 transitions. [2022-11-18 18:43:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:43:02,649 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 [2022-11-18 18:43:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:02,656 INFO L225 Difference]: With dead ends: 1742 [2022-11-18 18:43:02,656 INFO L226 Difference]: Without dead ends: 1742 [2022-11-18 18:43:02,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:43:02,657 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 752 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 4283 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:02,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 4283 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2480 Invalid, 4 Unknown, 0 Unchecked, 13.6s Time] [2022-11-18 18:43:02,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-11-18 18:43:02,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1519. [2022-11-18 18:43:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 981 states have (on average 1.730886850152905) internal successors, (1698), 1210 states have internal predecessors, (1698), 241 states have call successors, (241), 101 states have call predecessors, (241), 100 states have return successors, (239), 225 states have call predecessors, (239), 239 states have call successors, (239) [2022-11-18 18:43:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2178 transitions. [2022-11-18 18:43:02,692 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2178 transitions. Word has length 76 [2022-11-18 18:43:02,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:02,692 INFO L495 AbstractCegarLoop]: Abstraction has 1519 states and 2178 transitions. [2022-11-18 18:43:02,692 INFO L496 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) [2022-11-18 18:43:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2178 transitions. [2022-11-18 18:43:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:43:02,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:02,694 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:43:02,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:02,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:03,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:43:03,115 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:43:03,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:03,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150360, now seen corresponding path program 1 times [2022-11-18 18:43:03,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:43:03,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014085254] [2022-11-18 18:43:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:03,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:43:03,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:43:03,120 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:43:03,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-18 18:43:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:04,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:43:04,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:43:05,505 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:43:05,658 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:43:05,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:06,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:43:06,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014085254] [2022-11-18 18:43:06,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014085254] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:43:06,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [705307555] [2022-11-18 18:43:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:06,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:43:06,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:43:06,243 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:43:06,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-18 18:43:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:08,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:43:08,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:09,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:43:09,774 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:43:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:43:09,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:12,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [705307555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:43:12,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:12,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-18 18:43:12,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973761027] [2022-11-18 18:43:12,211 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:12,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:12,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:43:12,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:12,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:43:12,212 INFO L87 Difference]: Start difference. First operand 1519 states and 2178 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) [2022-11-18 18:43:14,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:16,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:21,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:21,908 INFO L93 Difference]: Finished difference Result 1942 states and 2503 transitions. [2022-11-18 18:43:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:43:21,908 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 [2022-11-18 18:43:21,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:21,913 INFO L225 Difference]: With dead ends: 1942 [2022-11-18 18:43:21,913 INFO L226 Difference]: Without dead ends: 1942 [2022-11-18 18:43:21,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:43:21,914 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 994 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:21,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2296 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1905 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-18 18:43:21,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2022-11-18 18:43:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1696. [2022-11-18 18:43:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1116 states have (on average 1.739247311827957) internal successors, (1941), 1341 states have internal predecessors, (1941), 268 states have call successors, (268), 116 states have call predecessors, (268), 115 states have return successors, (266), 257 states have call predecessors, (266), 266 states have call successors, (266) [2022-11-18 18:43:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2475 transitions. [2022-11-18 18:43:21,953 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2475 transitions. Word has length 76 [2022-11-18 18:43:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:21,954 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2475 transitions. [2022-11-18 18:43:21,954 INFO L496 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) [2022-11-18 18:43:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2475 transitions. [2022-11-18 18:43:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 18:43:21,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:21,955 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:43:21,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:22,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:22,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:43:22,369 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:43:22,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:22,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1356949500, now seen corresponding path program 1 times [2022-11-18 18:43:22,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:43:22,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018658251] [2022-11-18 18:43:22,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:43:22,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:43:22,372 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:43:22,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-18 18:43:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:23,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:43:23,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:43:23,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:23,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:43:23,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018658251] [2022-11-18 18:43:23,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018658251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:23,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:23,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:43:23,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443935030] [2022-11-18 18:43:23,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:23,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:43:23,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:43:23,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:43:23,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:43:23,150 INFO L87 Difference]: Start difference. First operand 1696 states and 2475 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) [2022-11-18 18:43:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:23,214 INFO L93 Difference]: Finished difference Result 1336 states and 1884 transitions. [2022-11-18 18:43:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:43:23,215 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 [2022-11-18 18:43:23,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:23,220 INFO L225 Difference]: With dead ends: 1336 [2022-11-18 18:43:23,221 INFO L226 Difference]: Without dead ends: 1331 [2022-11-18 18:43:23,221 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:43:23,222 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 3 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3128 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 [2022-11-18 18:43:23,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3128 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-18 18:43:23,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2022-11-18 18:43:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 857 states have (on average 1.7432905484247374) internal successors, (1494), 1069 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) [2022-11-18 18:43:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1878 transitions. [2022-11-18 18:43:23,249 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1878 transitions. Word has length 81 [2022-11-18 18:43:23,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:23,250 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1878 transitions. [2022-11-18 18:43:23,250 INFO L496 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) [2022-11-18 18:43:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1878 transitions. [2022-11-18 18:43:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 18:43:23,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:23,251 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:43:23,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:23,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:43:23,470 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:43:23,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:23,471 INFO L85 PathProgramCache]: Analyzing trace with hash 986823980, now seen corresponding path program 1 times [2022-11-18 18:43:23,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:43:23,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533160449] [2022-11-18 18:43:23,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:23,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:43:23,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:43:23,474 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:43:23,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-18 18:43:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:24,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:43:24,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:25,338 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:43:25,338 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 27 [2022-11-18 18:43:25,410 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 20 [2022-11-18 18:43:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 18:43:25,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:25,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:43:25,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533160449] [2022-11-18 18:43:25,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533160449] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:43:25,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1439864270] [2022-11-18 18:43:25,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:43:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:43:25,623 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:43:25,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-18 18:43:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:28,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:43:28,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:28,927 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-18 18:43:28,928 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 43 [2022-11-18 18:43:29,045 INFO L350 Elim1Store]: Elim1 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 21 treesize of output 32 [2022-11-18 18:43:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 18:43:29,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:29,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1439864270] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:43:29,252 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:29,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-18 18:43:29,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560011322] [2022-11-18 18:43:29,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:29,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:43:29,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:43:29,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:43:29,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:43:29,255 INFO L87 Difference]: Start difference. First operand 1331 states and 1878 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) [2022-11-18 18:43:31,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:33,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:35,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:37,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:39,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:41,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:47,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:47,271 INFO L93 Difference]: Finished difference Result 1506 states and 1890 transitions. [2022-11-18 18:43:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:43:47,271 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 [2022-11-18 18:43:47,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:47,277 INFO L225 Difference]: With dead ends: 1506 [2022-11-18 18:43:47,277 INFO L226 Difference]: Without dead ends: 1506 [2022-11-18 18:43:47,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:43:47,278 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 737 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 2795 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2795 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:47,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 4560 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2795 Invalid, 6 Unknown, 0 Unchecked, 17.9s Time] [2022-11-18 18:43:47,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-11-18 18:43:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1329. [2022-11-18 18:43:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 857 states have (on average 1.7409568261376895) internal successors, (1492), 1067 states have internal predecessors, (1492), 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) [2022-11-18 18:43:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1876 transitions. [2022-11-18 18:43:47,316 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1876 transitions. Word has length 82 [2022-11-18 18:43:47,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:47,317 INFO L495 AbstractCegarLoop]: Abstraction has 1329 states and 1876 transitions. [2022-11-18 18:43:47,317 INFO L496 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) [2022-11-18 18:43:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1876 transitions. [2022-11-18 18:43:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 18:43:47,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:47,318 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:43:47,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:47,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:47,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:43:47,736 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:43:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash 986823981, now seen corresponding path program 1 times [2022-11-18 18:43:47,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:43:47,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145296529] [2022-11-18 18:43:47,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:47,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:43:47,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:43:47,738 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:43:47,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-18 18:43:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:49,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:43:49,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:43:50,055 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:43:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:43:50,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:50,765 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:43:50,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145296529] [2022-11-18 18:43:50,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145296529] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:43:50,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1284908565] [2022-11-18 18:43:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:50,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:43:50,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:43:50,767 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:43:50,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2022-11-18 18:43:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:53,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:43:53,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:43:54,379 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:43:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:43:54,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:54,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1284908565] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:43:54,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:54,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-18 18:43:54,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686304814] [2022-11-18 18:43:54,927 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:54,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:54,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:43:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:54,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:43:54,931 INFO L87 Difference]: Start difference. First operand 1329 states and 1876 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) [2022-11-18 18:43:56,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:58,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:04,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:04,096 INFO L93 Difference]: Finished difference Result 1573 states and 1902 transitions. [2022-11-18 18:44:04,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:04,096 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 [2022-11-18 18:44:04,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:04,102 INFO L225 Difference]: With dead ends: 1573 [2022-11-18 18:44:04,102 INFO L226 Difference]: Without dead ends: 1573 [2022-11-18 18:44:04,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:44:04,111 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 1503 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:04,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 2001 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1681 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-11-18 18:44:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-11-18 18:44:04,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1327. [2022-11-18 18:44:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 857 states have (on average 1.7386231038506417) internal successors, (1490), 1065 states have internal predecessors, (1490), 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) [2022-11-18 18:44:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1874 transitions. [2022-11-18 18:44:04,147 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1874 transitions. Word has length 82 [2022-11-18 18:44:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:04,148 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1874 transitions. [2022-11-18 18:44:04,148 INFO L496 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) [2022-11-18 18:44:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1874 transitions. [2022-11-18 18:44:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-18 18:44:04,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:04,149 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:44:04,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:04,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:04,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:44:04,566 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:44:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash -3613151, now seen corresponding path program 1 times [2022-11-18 18:44:04,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:44:04,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879196301] [2022-11-18 18:44:04,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:04,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:44:04,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:44:04,570 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:44:04,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-18 18:44:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:06,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:44:06,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:44:06,698 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:44:06,699 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 27 [2022-11-18 18:44:06,765 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 20 [2022-11-18 18:44:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:44:06,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:44:06,864 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:44:06,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879196301] [2022-11-18 18:44:06,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879196301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:06,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:06,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:44:06,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708654156] [2022-11-18 18:44:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:06,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:44:06,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:44:06,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:44:06,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:44:06,865 INFO L87 Difference]: Start difference. First operand 1327 states and 1874 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) [2022-11-18 18:44:08,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:11,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:11,231 INFO L93 Difference]: Finished difference Result 1502 states and 1886 transitions. [2022-11-18 18:44:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:44:11,232 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 [2022-11-18 18:44:11,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:11,237 INFO L225 Difference]: With dead ends: 1502 [2022-11-18 18:44:11,237 INFO L226 Difference]: Without dead ends: 1502 [2022-11-18 18:44:11,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:44:11,238 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 719 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:11,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1687 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 754 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-18 18:44:11,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-11-18 18:44:11,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1325. [2022-11-18 18:44:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 857 states have (on average 1.736289381563594) internal successors, (1488), 1063 states have internal predecessors, (1488), 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) [2022-11-18 18:44:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1872 transitions. [2022-11-18 18:44:11,263 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1872 transitions. Word has length 88 [2022-11-18 18:44:11,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:11,263 INFO L495 AbstractCegarLoop]: Abstraction has 1325 states and 1872 transitions. [2022-11-18 18:44:11,263 INFO L496 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) [2022-11-18 18:44:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1872 transitions. [2022-11-18 18:44:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-18 18:44:11,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:11,265 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:44:11,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:11,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:44:11,487 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:44:11,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:11,487 INFO L85 PathProgramCache]: Analyzing trace with hash -3613150, now seen corresponding path program 1 times [2022-11-18 18:44:11,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:44:11,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364410445] [2022-11-18 18:44:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:11,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:44:11,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:44:11,489 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:44:11,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-18 18:44:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:13,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:44:13,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:44:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:44:14,306 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:44:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:44:14,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:44:21,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:44:21,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364410445] [2022-11-18 18:44:21,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364410445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:44:21,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [566430544] [2022-11-18 18:44:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:44:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:44:21,202 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:44:21,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2022-11-18 18:44:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:24,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:44:24,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:44:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:44:25,469 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:44:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:44:25,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:44:26,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [566430544] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:44:26,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:44:26,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-11-18 18:44:26,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852491613] [2022-11-18 18:44:26,191 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:44:26,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:44:26,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:44:26,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:44:26,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=36, Unknown=2, NotChecked=0, Total=56 [2022-11-18 18:44:26,192 INFO L87 Difference]: Start difference. First operand 1325 states and 1872 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-18 18:44:28,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:30,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:30,407 INFO L93 Difference]: Finished difference Result 1376 states and 1879 transitions. [2022-11-18 18:44:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:44:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 88 [2022-11-18 18:44:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:30,412 INFO L225 Difference]: With dead ends: 1376 [2022-11-18 18:44:30,412 INFO L226 Difference]: Without dead ends: 1376 [2022-11-18 18:44:30,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=18, Invalid=36, Unknown=2, NotChecked=0, Total=56 [2022-11-18 18:44:30,413 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 149 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:30,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1848 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-18 18:44:30,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2022-11-18 18:44:30,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1323. [2022-11-18 18:44:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 857 states have (on average 1.7327887981330221) internal successors, (1485), 1061 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) [2022-11-18 18:44:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1869 transitions. [2022-11-18 18:44:30,436 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1869 transitions. Word has length 88 [2022-11-18 18:44:30,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:30,437 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1869 transitions. [2022-11-18 18:44:30,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-18 18:44:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1869 transitions. [2022-11-18 18:44:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 18:44:30,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:30,438 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:44:30,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:30,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:30,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:44:30,861 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:44:30,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:30,862 INFO L85 PathProgramCache]: Analyzing trace with hash -112007323, now seen corresponding path program 1 times [2022-11-18 18:44:30,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:44:30,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533067283] [2022-11-18 18:44:30,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:30,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:44:30,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:44:30,864 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:44:30,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-18 18:44:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:44:32,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:44:33,168 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:44:33,168 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 27 [2022-11-18 18:44:33,244 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 20 [2022-11-18 18:44:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:44:33,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:44:33,356 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:44:33,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533067283] [2022-11-18 18:44:33,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533067283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:33,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:33,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:44:33,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314774994] [2022-11-18 18:44:33,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:33,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:44:33,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:44:33,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:44:33,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:44:33,358 INFO L87 Difference]: Start difference. First operand 1323 states and 1869 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) [2022-11-18 18:44:35,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:37,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:40,326 INFO L93 Difference]: Finished difference Result 1498 states and 1881 transitions. [2022-11-18 18:44:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:44:40,326 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 [2022-11-18 18:44:40,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:40,329 INFO L225 Difference]: With dead ends: 1498 [2022-11-18 18:44:40,330 INFO L226 Difference]: Without dead ends: 1498 [2022-11-18 18:44:40,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:40,330 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 1078 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 59 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:40,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 2009 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1081 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-11-18 18:44:40,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-18 18:44:40,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1321. [2022-11-18 18:44:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 857 states have (on average 1.7304550758459742) internal successors, (1483), 1059 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) [2022-11-18 18:44:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1867 transitions. [2022-11-18 18:44:40,353 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1867 transitions. Word has length 89 [2022-11-18 18:44:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:40,353 INFO L495 AbstractCegarLoop]: Abstraction has 1321 states and 1867 transitions. [2022-11-18 18:44:40,354 INFO L496 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) [2022-11-18 18:44:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1867 transitions. [2022-11-18 18:44:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 18:44:40,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:40,355 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:44:40,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:40,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:44:40,578 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:44:40,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:40,579 INFO L85 PathProgramCache]: Analyzing trace with hash -112007322, now seen corresponding path program 1 times [2022-11-18 18:44:40,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:44:40,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665168530] [2022-11-18 18:44:40,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:40,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:44:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:44:40,580 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:44:40,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-18 18:44:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:42,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:44:42,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:44:43,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:44:43,254 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:44:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:44:43,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:44:44,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:44:44,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665168530] [2022-11-18 18:44:44,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665168530] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:44:44,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1636456681] [2022-11-18 18:44:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:44,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:44:44,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:44:44,706 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:44:44,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2022-11-18 18:44:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:47,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:44:47,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:44:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:44:48,751 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:44:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:44:48,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:44:49,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1636456681] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:44:49,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:44:49,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-11-18 18:44:49,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733969805] [2022-11-18 18:44:49,257 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:44:49,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:44:49,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:44:49,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:44:49,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:44:49,258 INFO L87 Difference]: Start difference. First operand 1321 states and 1867 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) [2022-11-18 18:44:51,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:55,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:55,838 INFO L93 Difference]: Finished difference Result 1565 states and 1893 transitions. [2022-11-18 18:44:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:44:55,839 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 [2022-11-18 18:44:55,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:55,843 INFO L225 Difference]: With dead ends: 1565 [2022-11-18 18:44:55,843 INFO L226 Difference]: Without dead ends: 1565 [2022-11-18 18:44:55,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:55,844 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1391 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 87 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:55,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1865 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1251 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-18 18:44:55,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-11-18 18:44:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1319. [2022-11-18 18:44:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 857 states have (on average 1.7281213535589266) internal successors, (1481), 1057 states have internal predecessors, (1481), 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) [2022-11-18 18:44:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1865 transitions. [2022-11-18 18:44:55,871 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1865 transitions. Word has length 89 [2022-11-18 18:44:55,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:55,871 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 1865 transitions. [2022-11-18 18:44:55,871 INFO L496 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) [2022-11-18 18:44:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1865 transitions. [2022-11-18 18:44:55,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 18:44:55,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:55,872 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:44:55,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:56,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2022-11-18 18:44:56,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:44:56,273 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting cdev_addErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:44:56,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:56,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903835, now seen corresponding path program 1 times [2022-11-18 18:44:56,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:44:56,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719990748] [2022-11-18 18:44:56,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:56,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:44:56,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:44:56,276 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:44:56,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-18 18:44:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:44:57,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:44:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:44:57,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:44:57,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:44:57,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719990748] [2022-11-18 18:44:57,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719990748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:57,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:57,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:44:57,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145189395] [2022-11-18 18:44:57,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:57,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:44:57,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:44:57,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:44:57,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:44:57,405 INFO L87 Difference]: Start difference. First operand 1319 states and 1865 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) [2022-11-18 18:44:59,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:01,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:04,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:04,483 INFO L93 Difference]: Finished difference Result 1494 states and 1877 transitions. [2022-11-18 18:45:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:45:04,484 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 [2022-11-18 18:45:04,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:04,487 INFO L225 Difference]: With dead ends: 1494 [2022-11-18 18:45:04,487 INFO L226 Difference]: Without dead ends: 1494 [2022-11-18 18:45:04,487 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:45:04,488 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 790 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:04,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 2188 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1094 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-18 18:45:04,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-11-18 18:45:04,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1317. [2022-11-18 18:45:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1317 states, 857 states have (on average 1.7257876312718787) internal successors, (1479), 1055 states have internal predecessors, (1479), 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) [2022-11-18 18:45:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1863 transitions. [2022-11-18 18:45:04,517 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1863 transitions. Word has length 96 [2022-11-18 18:45:04,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:04,517 INFO L495 AbstractCegarLoop]: Abstraction has 1317 states and 1863 transitions. [2022-11-18 18:45:04,517 INFO L496 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) [2022-11-18 18:45:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1863 transitions. [2022-11-18 18:45:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 18:45:04,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:04,519 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:45:04,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:04,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:04,740 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:45:04,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:04,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903834, now seen corresponding path program 1 times [2022-11-18 18:45:04,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:04,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175400763] [2022-11-18 18:45:04,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:04,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:04,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:04,742 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:04,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-18 18:45:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:06,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 18:45:06,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:45:07,863 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:45:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:45:08,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:45:09,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:09,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175400763] [2022-11-18 18:45:09,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175400763] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:45:09,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [77327593] [2022-11-18 18:45:09,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:09,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:45:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:45:09,245 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:45:09,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-18 18:45:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:12,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 18:45:12,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:13,764 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 18:45:13,764 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:45:13,975 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:45:14,634 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 18:45:14,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 23 [2022-11-18 18:45:14,709 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:45:14,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:45:15,321 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 10 [2022-11-18 18:45:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:45:16,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [77327593] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 18:45:16,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:45:16,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-18 18:45:16,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442722854] [2022-11-18 18:45:16,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:16,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:45:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:16,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:45:16,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:45:16,448 INFO L87 Difference]: Start difference. First operand 1317 states and 1863 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) [2022-11-18 18:45:18,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:20,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:22,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:32,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:32,098 INFO L93 Difference]: Finished difference Result 1369 states and 1872 transitions. [2022-11-18 18:45:32,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:45:32,099 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 [2022-11-18 18:45:32,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:32,102 INFO L225 Difference]: With dead ends: 1369 [2022-11-18 18:45:32,103 INFO L226 Difference]: Without dead ends: 1369 [2022-11-18 18:45:32,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-18 18:45:32,104 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 347 mSDsluCounter, 2517 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 27 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:32,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 3261 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1461 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2022-11-18 18:45:32,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-11-18 18:45:32,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1316. [2022-11-18 18:45:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 857 states have (on average 1.7246207701283547) internal successors, (1478), 1054 states have internal predecessors, (1478), 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) [2022-11-18 18:45:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1862 transitions. [2022-11-18 18:45:32,140 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1862 transitions. Word has length 96 [2022-11-18 18:45:32,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:32,140 INFO L495 AbstractCegarLoop]: Abstraction has 1316 states and 1862 transitions. [2022-11-18 18:45:32,141 INFO L496 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) [2022-11-18 18:45:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1862 transitions. [2022-11-18 18:45:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-18 18:45:32,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:32,142 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:45:32,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2022-11-18 18:45:32,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:32,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:45:32,558 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting cdev_addErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:45:32,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:32,559 INFO L85 PathProgramCache]: Analyzing trace with hash -7475738, now seen corresponding path program 1 times [2022-11-18 18:45:32,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:32,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469740740] [2022-11-18 18:45:32,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:32,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:45:32,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:32,560 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:45:32,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-18 18:45:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:34,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 18:45:34,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:35,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:45:35,912 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:45:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:45:36,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:45:37,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:37,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469740740] [2022-11-18 18:45:37,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469740740] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:45:37,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1392976461] [2022-11-18 18:45:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:37,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:45:37,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:45:37,475 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:45:37,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2022-11-18 18:45:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:41,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 18:45:41,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:42,557 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 18:45:42,557 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:45:42,786 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:45:43,492 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 18:45:43,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 23 [2022-11-18 18:45:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:45:43,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:45:44,218 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 10 [2022-11-18 18:45:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:45:45,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1392976461] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 18:45:45,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:45:45,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-18 18:45:45,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494872263] [2022-11-18 18:45:45,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:45,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:45:45,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:45,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:45:45,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:45:45,453 INFO L87 Difference]: Start difference. First operand 1316 states and 1862 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) [2022-11-18 18:45:47,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:49,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:51,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:53,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:05,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:05,824 INFO L93 Difference]: Finished difference Result 1368 states and 1871 transitions. [2022-11-18 18:46:05,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:46:05,825 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 [2022-11-18 18:46:05,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:05,828 INFO L225 Difference]: With dead ends: 1368 [2022-11-18 18:46:05,828 INFO L226 Difference]: Without dead ends: 1368 [2022-11-18 18:46:05,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-18 18:46:05,829 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 231 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 3791 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:05,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 3791 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1681 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2022-11-18 18:46:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2022-11-18 18:46:05,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1315. [2022-11-18 18:46:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 857 states have (on average 1.7234539089848309) internal successors, (1477), 1053 states have internal predecessors, (1477), 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) [2022-11-18 18:46:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1861 transitions. [2022-11-18 18:46:05,847 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1861 transitions. Word has length 97 [2022-11-18 18:46:05,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:05,847 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1861 transitions. [2022-11-18 18:46:05,847 INFO L496 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) [2022-11-18 18:46:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1861 transitions. [2022-11-18 18:46:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 18:46:05,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:05,849 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:46:05,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:06,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:06,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:46:06,263 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting cdev_addErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:46:06,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435149, now seen corresponding path program 1 times [2022-11-18 18:46:06,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:06,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2147267448] [2022-11-18 18:46:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:06,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:06,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:06,267 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:06,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-18 18:46:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:08,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:46:08,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:09,408 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:46:09,408 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 27 [2022-11-18 18:46:09,478 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 20 [2022-11-18 18:46:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:46:09,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:09,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:09,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2147267448] [2022-11-18 18:46:09,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2147267448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:09,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:09,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:09,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852187546] [2022-11-18 18:46:09,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:09,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:46:09,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:09,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:46:09,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:46:09,688 INFO L87 Difference]: Start difference. First operand 1315 states and 1861 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) [2022-11-18 18:46:11,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:14,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:14,659 INFO L93 Difference]: Finished difference Result 1472 states and 1855 transitions. [2022-11-18 18:46:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:46:14,659 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 [2022-11-18 18:46:14,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:14,663 INFO L225 Difference]: With dead ends: 1472 [2022-11-18 18:46:14,663 INFO L226 Difference]: Without dead ends: 1472 [2022-11-18 18:46:14,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:46:14,663 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 670 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:14,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1518 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-18 18:46:14,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-11-18 18:46:14,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1311. [2022-11-18 18:46:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 857 states have (on average 1.7001166861143524) internal successors, (1457), 1049 states have internal predecessors, (1457), 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) [2022-11-18 18:46:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1841 transitions. [2022-11-18 18:46:14,684 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1841 transitions. Word has length 106 [2022-11-18 18:46:14,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:14,684 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1841 transitions. [2022-11-18 18:46:14,684 INFO L496 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) [2022-11-18 18:46:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1841 transitions. [2022-11-18 18:46:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 18:46:14,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:14,686 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:46:14,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:14,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:14,887 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting cdev_addErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:46:14,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:14,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435150, now seen corresponding path program 1 times [2022-11-18 18:46:14,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:14,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451468955] [2022-11-18 18:46:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:14,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:14,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:14,889 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:14,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-18 18:46:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:17,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 18:46:17,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:46:18,530 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:46:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:46:19,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:46:19,874 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:19,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451468955] [2022-11-18 18:46:19,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451468955] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:46:19,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1851873950] [2022-11-18 18:46:19,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:19,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:46:19,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:46:19,876 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:46:19,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2022-11-18 18:46:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 18:46:24,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:46:25,379 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:46:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:46:25,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:46:26,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1851873950] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:46:26,559 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:46:26,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2022-11-18 18:46:26,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099770646] [2022-11-18 18:46:26,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:46:26,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:46:26,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:26,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:46:26,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:26,560 INFO L87 Difference]: Start difference. First operand 1311 states and 1841 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) [2022-11-18 18:46:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:29,487 INFO L93 Difference]: Finished difference Result 1521 states and 2077 transitions. [2022-11-18 18:46:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:46:29,488 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 [2022-11-18 18:46:29,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:29,493 INFO L225 Difference]: With dead ends: 1521 [2022-11-18 18:46:29,493 INFO L226 Difference]: Without dead ends: 1521 [2022-11-18 18:46:29,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:29,494 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 262 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:29,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1796 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-18 18:46:29,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-11-18 18:46:29,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1450. [2022-11-18 18:46:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 956 states have (on average 1.6935146443514644) internal successors, (1619), 1146 states have internal predecessors, (1619), 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) [2022-11-18 18:46:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2060 transitions. [2022-11-18 18:46:29,527 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2060 transitions. Word has length 106 [2022-11-18 18:46:29,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:29,528 INFO L495 AbstractCegarLoop]: Abstraction has 1450 states and 2060 transitions. [2022-11-18 18:46:29,528 INFO L496 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) [2022-11-18 18:46:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2060 transitions. [2022-11-18 18:46:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 18:46:29,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:29,529 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:46:29,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2022-11-18 18:46:29,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2022-11-18 18:46:29,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:46:29,947 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:46:29,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:29,947 INFO L85 PathProgramCache]: Analyzing trace with hash 541867099, now seen corresponding path program 1 times [2022-11-18 18:46:29,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:29,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348303690] [2022-11-18 18:46:29,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:29,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:29,949 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:29,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-18 18:46:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:32,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:46:32,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:32,706 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-18 18:46:32,724 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ bv0 1)) |c_#valid|))) is different from true [2022-11-18 18:46:32,735 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:46:34,797 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ bv0 1)) |c_#valid|))) (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31|)))) is different from true [2022-11-18 18:46:34,803 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:46:36,952 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:46:39,089 INFO L350 Elim1Store]: Elim1 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 [2022-11-18 18:46:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 18:46:41,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:41,202 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:41,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348303690] [2022-11-18 18:46:41,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348303690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:41,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:41,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:41,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340460386] [2022-11-18 18:46:41,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:41,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:46:41,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:41,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:46:41,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-18 18:46:41,204 INFO L87 Difference]: Start difference. First operand 1450 states and 2060 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-11-18 18:46:43,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:44,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:44,117 INFO L93 Difference]: Finished difference Result 1459 states and 2066 transitions. [2022-11-18 18:46:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:44,117 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) Word has length 121 [2022-11-18 18:46:44,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:44,122 INFO L225 Difference]: With dead ends: 1459 [2022-11-18 18:46:44,122 INFO L226 Difference]: Without dead ends: 1457 [2022-11-18 18:46:44,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-18 18:46:44,123 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 2 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 1991 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:44,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2338 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 1 Unknown, 1991 Unchecked, 2.9s Time] [2022-11-18 18:46:44,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2022-11-18 18:46:44,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1457. [2022-11-18 18:46:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 961 states have (on average 1.6888657648283039) internal successors, (1623), 1151 states have internal predecessors, (1623), 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) [2022-11-18 18:46:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2064 transitions. [2022-11-18 18:46:44,150 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2064 transitions. Word has length 121 [2022-11-18 18:46:44,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:44,151 INFO L495 AbstractCegarLoop]: Abstraction has 1457 states and 2064 transitions. [2022-11-18 18:46:44,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-11-18 18:46:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2064 transitions. [2022-11-18 18:46:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-18 18:46:44,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:44,153 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:46:44,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:44,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:44,377 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:46:44,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:44,377 INFO L85 PathProgramCache]: Analyzing trace with hash 968394777, now seen corresponding path program 1 times [2022-11-18 18:46:44,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:44,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051260587] [2022-11-18 18:46:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:44,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:44,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:44,379 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:44,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-18 18:46:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:45,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 18:46:45,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-18 18:46:45,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:45,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:45,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051260587] [2022-11-18 18:46:45,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051260587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:45,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:45,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 18:46:45,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987668572] [2022-11-18 18:46:45,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:45,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:46:45,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:45,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:46:45,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:46:45,977 INFO L87 Difference]: Start difference. First operand 1457 states and 2064 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) [2022-11-18 18:46:46,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:46,528 INFO L93 Difference]: Finished difference Result 1326 states and 1853 transitions. [2022-11-18 18:46:46,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 18:46:46,529 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 [2022-11-18 18:46:46,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:46,533 INFO L225 Difference]: With dead ends: 1326 [2022-11-18 18:46:46,537 INFO L226 Difference]: Without dead ends: 1311 [2022-11-18 18:46:46,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:46:46,539 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 28 mSDsluCounter, 7370 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 8110 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:46,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 8110 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 18:46:46,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2022-11-18 18:46:46,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1311. [2022-11-18 18:46:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 860 states have (on average 1.6906976744186046) internal successors, (1454), 1048 states have internal predecessors, (1454), 192 states have call successors, (192), 86 states have call predecessors, (192), 86 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:46:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1838 transitions. [2022-11-18 18:46:46,565 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1838 transitions. Word has length 128 [2022-11-18 18:46:46,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:46,568 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1838 transitions. [2022-11-18 18:46:46,568 INFO L496 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) [2022-11-18 18:46:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1838 transitions. [2022-11-18 18:46:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-18 18:46:46,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:46,571 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:46:46,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:46,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:46,788 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:46:46,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:46,788 INFO L85 PathProgramCache]: Analyzing trace with hash 101747144, now seen corresponding path program 1 times [2022-11-18 18:46:46,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:46,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840222139] [2022-11-18 18:46:46,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:46,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:46,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:46,792 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:46,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-18 18:46:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:48,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:46:48,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:46:48,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:48,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:48,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840222139] [2022-11-18 18:46:48,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840222139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:48,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:48,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:46:48,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276899794] [2022-11-18 18:46:48,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:48,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:46:48,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:48,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:46:48,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:46:48,570 INFO L87 Difference]: Start difference. First operand 1311 states and 1838 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) [2022-11-18 18:46:48,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:48,738 INFO L93 Difference]: Finished difference Result 1713 states and 2477 transitions. [2022-11-18 18:46:48,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:48,739 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 [2022-11-18 18:46:48,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:48,743 INFO L225 Difference]: With dead ends: 1713 [2022-11-18 18:46:48,743 INFO L226 Difference]: Without dead ends: 1713 [2022-11-18 18:46:48,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:46:48,744 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 764 mSDsluCounter, 4455 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 5585 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:48,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 5585 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:46:48,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-11-18 18:46:48,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1174. [2022-11-18 18:46:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 766 states have (on average 1.6866840731070496) internal successors, (1292), 952 states have internal predecessors, (1292), 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) [2022-11-18 18:46:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1620 transitions. [2022-11-18 18:46:48,763 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1620 transitions. Word has length 127 [2022-11-18 18:46:48,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:48,763 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1620 transitions. [2022-11-18 18:46:48,763 INFO L496 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) [2022-11-18 18:46:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1620 transitions. [2022-11-18 18:46:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-18 18:46:48,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:48,764 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:46:48,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:48,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:48,965 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:46:48,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:48,965 INFO L85 PathProgramCache]: Analyzing trace with hash 514360856, now seen corresponding path program 1 times [2022-11-18 18:46:48,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:48,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359596923] [2022-11-18 18:46:48,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:48,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:48,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:48,967 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:48,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-11-18 18:46:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:50,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:46:50,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:46:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:46:50,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:46:50,442 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:46:50,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359596923] [2022-11-18 18:46:50,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359596923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:50,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:50,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:46:50,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969708029] [2022-11-18 18:46:50,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:50,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:46:50,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:46:50,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:46:50,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:46:50,444 INFO L87 Difference]: Start difference. First operand 1174 states and 1620 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) [2022-11-18 18:46:50,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:50,465 INFO L93 Difference]: Finished difference Result 1172 states and 1616 transitions. [2022-11-18 18:46:50,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:46:50,466 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 [2022-11-18 18:46:50,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:50,469 INFO L225 Difference]: With dead ends: 1172 [2022-11-18 18:46:50,469 INFO L226 Difference]: Without dead ends: 1172 [2022-11-18 18:46:50,469 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:46:50,470 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 0 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:50,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2230 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:46:50,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-11-18 18:46:50,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2022-11-18 18:46:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 765 states have (on average 1.6862745098039216) internal successors, (1290), 950 states have internal predecessors, (1290), 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) [2022-11-18 18:46:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1616 transitions. [2022-11-18 18:46:50,492 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1616 transitions. Word has length 137 [2022-11-18 18:46:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:50,492 INFO L495 AbstractCegarLoop]: Abstraction has 1172 states and 1616 transitions. [2022-11-18 18:46:50,493 INFO L496 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) [2022-11-18 18:46:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1616 transitions. [2022-11-18 18:46:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-18 18:46:50,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:50,494 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:46:50,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2022-11-18 18:46:50,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:50,718 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:46:50,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:50,719 INFO L85 PathProgramCache]: Analyzing trace with hash -910021418, now seen corresponding path program 1 times [2022-11-18 18:46:50,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:46:50,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045824241] [2022-11-18 18:46:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:50,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:50,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:46:50,722 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:46:50,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-18 18:46:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:46:54,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:46:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:46:57,881 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 18:46:57,881 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:46:57,882 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK (204 of 205 remaining) [2022-11-18 18:46:57,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (203 of 205 remaining) [2022-11-18 18:46:57,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (202 of 205 remaining) [2022-11-18 18:46:57,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (201 of 205 remaining) [2022-11-18 18:46:57,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (200 of 205 remaining) [2022-11-18 18:46:57,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (199 of 205 remaining) [2022-11-18 18:46:57,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (198 of 205 remaining) [2022-11-18 18:46:57,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (197 of 205 remaining) [2022-11-18 18:46:57,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (196 of 205 remaining) [2022-11-18 18:46:57,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (195 of 205 remaining) [2022-11-18 18:46:57,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (194 of 205 remaining) [2022-11-18 18:46:57,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (193 of 205 remaining) [2022-11-18 18:46:57,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (192 of 205 remaining) [2022-11-18 18:46:57,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (191 of 205 remaining) [2022-11-18 18:46:57,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (190 of 205 remaining) [2022-11-18 18:46:57,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (189 of 205 remaining) [2022-11-18 18:46:57,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (188 of 205 remaining) [2022-11-18 18:46:57,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (187 of 205 remaining) [2022-11-18 18:46:57,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (186 of 205 remaining) [2022-11-18 18:46:57,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (185 of 205 remaining) [2022-11-18 18:46:57,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (184 of 205 remaining) [2022-11-18 18:46:57,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (183 of 205 remaining) [2022-11-18 18:46:57,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (182 of 205 remaining) [2022-11-18 18:46:57,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (181 of 205 remaining) [2022-11-18 18:46:57,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (180 of 205 remaining) [2022-11-18 18:46:57,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (179 of 205 remaining) [2022-11-18 18:46:57,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (178 of 205 remaining) [2022-11-18 18:46:57,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (177 of 205 remaining) [2022-11-18 18:46:57,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (176 of 205 remaining) [2022-11-18 18:46:57,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (175 of 205 remaining) [2022-11-18 18:46:57,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (174 of 205 remaining) [2022-11-18 18:46:57,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (173 of 205 remaining) [2022-11-18 18:46:57,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (172 of 205 remaining) [2022-11-18 18:46:57,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (171 of 205 remaining) [2022-11-18 18:46:57,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (170 of 205 remaining) [2022-11-18 18:46:57,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (169 of 205 remaining) [2022-11-18 18:46:57,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (168 of 205 remaining) [2022-11-18 18:46:57,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (167 of 205 remaining) [2022-11-18 18:46:57,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (166 of 205 remaining) [2022-11-18 18:46:57,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (165 of 205 remaining) [2022-11-18 18:46:57,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (164 of 205 remaining) [2022-11-18 18:46:57,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (163 of 205 remaining) [2022-11-18 18:46:57,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (162 of 205 remaining) [2022-11-18 18:46:57,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (161 of 205 remaining) [2022-11-18 18:46:57,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (160 of 205 remaining) [2022-11-18 18:46:57,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (159 of 205 remaining) [2022-11-18 18:46:57,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (158 of 205 remaining) [2022-11-18 18:46:57,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (157 of 205 remaining) [2022-11-18 18:46:57,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (156 of 205 remaining) [2022-11-18 18:46:57,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (155 of 205 remaining) [2022-11-18 18:46:57,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (154 of 205 remaining) [2022-11-18 18:46:57,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (153 of 205 remaining) [2022-11-18 18:46:57,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (152 of 205 remaining) [2022-11-18 18:46:57,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (151 of 205 remaining) [2022-11-18 18:46:57,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (150 of 205 remaining) [2022-11-18 18:46:57,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (149 of 205 remaining) [2022-11-18 18:46:57,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (148 of 205 remaining) [2022-11-18 18:46:57,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (147 of 205 remaining) [2022-11-18 18:46:57,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (146 of 205 remaining) [2022-11-18 18:46:57,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (145 of 205 remaining) [2022-11-18 18:46:57,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 205 remaining) [2022-11-18 18:46:57,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 205 remaining) [2022-11-18 18:46:57,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (142 of 205 remaining) [2022-11-18 18:46:57,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (141 of 205 remaining) [2022-11-18 18:46:57,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 205 remaining) [2022-11-18 18:46:57,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 205 remaining) [2022-11-18 18:46:57,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (138 of 205 remaining) [2022-11-18 18:46:57,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (137 of 205 remaining) [2022-11-18 18:46:57,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (136 of 205 remaining) [2022-11-18 18:46:57,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 205 remaining) [2022-11-18 18:46:57,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (134 of 205 remaining) [2022-11-18 18:46:57,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 205 remaining) [2022-11-18 18:46:57,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 205 remaining) [2022-11-18 18:46:57,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 205 remaining) [2022-11-18 18:46:57,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 205 remaining) [2022-11-18 18:46:57,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 205 remaining) [2022-11-18 18:46:57,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 205 remaining) [2022-11-18 18:46:57,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (127 of 205 remaining) [2022-11-18 18:46:57,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 205 remaining) [2022-11-18 18:46:57,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 205 remaining) [2022-11-18 18:46:57,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (124 of 205 remaining) [2022-11-18 18:46:57,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 205 remaining) [2022-11-18 18:46:57,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 205 remaining) [2022-11-18 18:46:57,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 205 remaining) [2022-11-18 18:46:57,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 205 remaining) [2022-11-18 18:46:57,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 205 remaining) [2022-11-18 18:46:57,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 205 remaining) [2022-11-18 18:46:57,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 205 remaining) [2022-11-18 18:46:57,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 205 remaining) [2022-11-18 18:46:57,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 205 remaining) [2022-11-18 18:46:57,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 205 remaining) [2022-11-18 18:46:57,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 205 remaining) [2022-11-18 18:46:57,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 205 remaining) [2022-11-18 18:46:57,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 205 remaining) [2022-11-18 18:46:57,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 205 remaining) [2022-11-18 18:46:57,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 205 remaining) [2022-11-18 18:46:57,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 205 remaining) [2022-11-18 18:46:57,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 205 remaining) [2022-11-18 18:46:57,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 205 remaining) [2022-11-18 18:46:57,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 205 remaining) [2022-11-18 18:46:57,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 205 remaining) [2022-11-18 18:46:57,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 205 remaining) [2022-11-18 18:46:57,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 205 remaining) [2022-11-18 18:46:57,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 205 remaining) [2022-11-18 18:46:57,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 205 remaining) [2022-11-18 18:46:57,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 205 remaining) [2022-11-18 18:46:57,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 205 remaining) [2022-11-18 18:46:57,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 205 remaining) [2022-11-18 18:46:57,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 205 remaining) [2022-11-18 18:46:57,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 205 remaining) [2022-11-18 18:46:57,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 205 remaining) [2022-11-18 18:46:57,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 205 remaining) [2022-11-18 18:46:57,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 205 remaining) [2022-11-18 18:46:57,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 205 remaining) [2022-11-18 18:46:57,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 205 remaining) [2022-11-18 18:46:57,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 205 remaining) [2022-11-18 18:46:57,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 205 remaining) [2022-11-18 18:46:57,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 205 remaining) [2022-11-18 18:46:57,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 205 remaining) [2022-11-18 18:46:57,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 205 remaining) [2022-11-18 18:46:57,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 205 remaining) [2022-11-18 18:46:57,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 205 remaining) [2022-11-18 18:46:57,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 205 remaining) [2022-11-18 18:46:57,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 205 remaining) [2022-11-18 18:46:57,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 205 remaining) [2022-11-18 18:46:57,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 205 remaining) [2022-11-18 18:46:57,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 205 remaining) [2022-11-18 18:46:57,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 205 remaining) [2022-11-18 18:46:57,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 205 remaining) [2022-11-18 18:46:57,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 205 remaining) [2022-11-18 18:46:57,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 205 remaining) [2022-11-18 18:46:57,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 205 remaining) [2022-11-18 18:46:57,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 205 remaining) [2022-11-18 18:46:57,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 205 remaining) [2022-11-18 18:46:57,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 205 remaining) [2022-11-18 18:46:57,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 205 remaining) [2022-11-18 18:46:57,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 205 remaining) [2022-11-18 18:46:57,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 205 remaining) [2022-11-18 18:46:57,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 205 remaining) [2022-11-18 18:46:57,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 205 remaining) [2022-11-18 18:46:57,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 205 remaining) [2022-11-18 18:46:57,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 205 remaining) [2022-11-18 18:46:57,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 205 remaining) [2022-11-18 18:46:57,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 205 remaining) [2022-11-18 18:46:57,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 205 remaining) [2022-11-18 18:46:57,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 205 remaining) [2022-11-18 18:46:57,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 205 remaining) [2022-11-18 18:46:57,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 205 remaining) [2022-11-18 18:46:57,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 205 remaining) [2022-11-18 18:46:57,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 205 remaining) [2022-11-18 18:46:57,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 205 remaining) [2022-11-18 18:46:57,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 205 remaining) [2022-11-18 18:46:57,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 205 remaining) [2022-11-18 18:46:57,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 205 remaining) [2022-11-18 18:46:57,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 205 remaining) [2022-11-18 18:46:57,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 205 remaining) [2022-11-18 18:46:57,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 205 remaining) [2022-11-18 18:46:57,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 205 remaining) [2022-11-18 18:46:57,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 205 remaining) [2022-11-18 18:46:57,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 205 remaining) [2022-11-18 18:46:57,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 205 remaining) [2022-11-18 18:46:57,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 205 remaining) [2022-11-18 18:46:57,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 205 remaining) [2022-11-18 18:46:57,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 205 remaining) [2022-11-18 18:46:57,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 205 remaining) [2022-11-18 18:46:57,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 205 remaining) [2022-11-18 18:46:57,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr137REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 205 remaining) [2022-11-18 18:46:57,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr138REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 205 remaining) [2022-11-18 18:46:57,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr139REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 205 remaining) [2022-11-18 18:46:57,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr140REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 205 remaining) [2022-11-18 18:46:57,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr141REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 205 remaining) [2022-11-18 18:46:57,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr142REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 205 remaining) [2022-11-18 18:46:57,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr143REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 205 remaining) [2022-11-18 18:46:57,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr144REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 205 remaining) [2022-11-18 18:46:57,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr145REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 205 remaining) [2022-11-18 18:46:57,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr146REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 205 remaining) [2022-11-18 18:46:57,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr147REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 205 remaining) [2022-11-18 18:46:57,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr148REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 205 remaining) [2022-11-18 18:46:57,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr149REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 205 remaining) [2022-11-18 18:46:57,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr150REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 205 remaining) [2022-11-18 18:46:57,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr151REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 205 remaining) [2022-11-18 18:46:57,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr152REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 205 remaining) [2022-11-18 18:46:57,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr153REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 205 remaining) [2022-11-18 18:46:57,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr154REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 205 remaining) [2022-11-18 18:46:57,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr155REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 205 remaining) [2022-11-18 18:46:57,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr156REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 205 remaining) [2022-11-18 18:46:57,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 205 remaining) [2022-11-18 18:46:57,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr158REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 205 remaining) [2022-11-18 18:46:57,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr159REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 205 remaining) [2022-11-18 18:46:57,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr160REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 205 remaining) [2022-11-18 18:46:57,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 205 remaining) [2022-11-18 18:46:57,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 205 remaining) [2022-11-18 18:46:57,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr163REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 205 remaining) [2022-11-18 18:46:57,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 205 remaining) [2022-11-18 18:46:57,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 205 remaining) [2022-11-18 18:46:57,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 205 remaining) [2022-11-18 18:46:57,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 205 remaining) [2022-11-18 18:46:57,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 205 remaining) [2022-11-18 18:46:57,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 205 remaining) [2022-11-18 18:46:57,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 205 remaining) [2022-11-18 18:46:57,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 205 remaining) [2022-11-18 18:46:57,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 205 remaining) [2022-11-18 18:46:57,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 205 remaining) [2022-11-18 18:46:57,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 205 remaining) [2022-11-18 18:46:57,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 205 remaining) [2022-11-18 18:46:58,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-11-18 18:46:58,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:46:58,174 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:58,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:46:58,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:46:58 BoogieIcfgContainer [2022-11-18 18:46:58,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:46:58,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:46:58,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:46:58,445 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:46:58,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:14" (3/4) ... [2022-11-18 18:46:58,448 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:46:58,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:46:58,449 INFO L158 Benchmark]: Toolchain (without parser) took 413016.11ms. Allocated memory was 69.2MB in the beginning and 209.7MB in the end (delta: 140.5MB). Free memory was 44.7MB in the beginning and 62.9MB in the end (delta: -18.2MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2022-11-18 18:46:58,449 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:46:58,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2629.11ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 44.6MB in the beginning and 33.7MB in the end (delta: 10.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-18 18:46:58,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.84ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 33.7MB in the beginning and 91.0MB in the end (delta: -57.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-18 18:46:58,450 INFO L158 Benchmark]: Boogie Preprocessor took 164.08ms. Allocated memory is still 130.0MB. Free memory was 91.0MB in the beginning and 82.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:46:58,450 INFO L158 Benchmark]: RCFGBuilder took 6219.73ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 82.6MB in the beginning and 72.7MB in the end (delta: 9.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-11-18 18:46:58,451 INFO L158 Benchmark]: TraceAbstraction took 403784.17ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 71.7MB in the beginning and 63.8MB in the end (delta: 7.8MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2022-11-18 18:46:58,451 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 209.7MB. Free memory was 63.8MB in the beginning and 62.9MB in the end (delta: 901.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:46:58,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2629.11ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 44.6MB in the beginning and 33.7MB in the end (delta: 10.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.84ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 33.7MB in the beginning and 91.0MB in the end (delta: -57.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.08ms. Allocated memory is still 130.0MB. Free memory was 91.0MB in the beginning and 82.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6219.73ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 82.6MB in the beginning and 72.7MB in the end (delta: 9.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * TraceAbstraction took 403784.17ms. Allocated memory was 169.9MB in the beginning and 209.7MB in the end (delta: 39.8MB). Free memory was 71.7MB in the beginning and 63.8MB in the end (delta: 7.8MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 209.7MB. Free memory was 63.8MB in the beginning and 62.9MB in the end (delta: 901.1kB). 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: [L2640] struct ddv_timer timer_registered[1]; [L2596] struct ddv_pci_driver registered_pci_driver; [L32] void (* _ddv_module_exit)(void); [L3432] struct proc_dir_entry *proc_root_driver; [L2634] short number_timer_registered = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L2607] struct registered_irq registered_irq[16]; [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, }; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1488] static int action = 0; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L2449] short number_fixed_genhd_used = 0; [L3921] int ddv_ioport_request_start; [L1476] char _ddv_module_license[] = "GPL"; [L1497] static unsigned long next_heartbeat = 0; [L2660] spinlock_t kernel_lock; [L1478] static int nowayout = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L3346] request_queue_t fixed_request_queue[10]; [L1492] static unsigned long zf_is_open; [L2461] struct ddv_genhd genhd_registered[10]; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L3348] int number_request_queue_used = 0; [L1496] static struct timer_list zf_timer; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1495] static spinlock_t zf_port_lock; [L3922] int ddv_ioport_request_len; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1900] short number_cdev_registered = 0; [L2448] short number_genhd_registered = 0; [L1491] static int zf_action = 0x0800; [L2460] struct gendisk fixed_gendisk[10]; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L2617] short number_tasklet_registered = 0; [L3742] struct ddv_tty_driver global_tty_driver; [L2650] struct work_struct *shared_workqueue[10]; [L20] int current_execution_context; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1898] int fixed_cdev_used = 0; [L31] int (* _ddv_module_init)(void); [L1911] struct ddv_cdev cdev_registered[1]; [L232] unsigned long jiffies; [L1897] struct cdev fixed_cdev[1]; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; VAL [={0:0}, ={-1:7}, ={-1:8}, ={0:0}, action=0, cdev_registered={44:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2724] int err; [L2726] current_execution_context = 1 [L2728] CALL init_kernel() [L2664] int i; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2666] CALL spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4153] lock->init = 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2666] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND TRUE i < 10 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2672] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2672] COND TRUE i < 1 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] tasklet_registered[i].tasklet = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2672] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2728] RET init_kernel() [L2730] CALL, EXPR (* _ddv_module_init)() [L1776] int ret; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4480] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1780] CALL, EXPR zf_readw(0x02) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(port)=2, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, port=2, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1470] CALL, EXPR inw(0x21A) [L3961] return __VERIFIER_nondet_ushort(); [L1470] RET, EXPR inw(0x21A) [L1470] return inw(0x21A); [L1780] RET, EXPR zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_readw(0x02)=-32768, zf_timer={37:0}] [L1780] ret = zf_readw(0x02) [L1781] COND FALSE !((!ret) || (ret == 0xffff)) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1786] COND TRUE (action <= 3) && (action >= 0) [L1787] zf_action = zf_action>>action VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [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={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, str={126:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1771] EXPR str[act] VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, str={126:0}, str[act]={15:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1771] CALL printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={19:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4480] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={19:0}, fmt={19:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1771] RET printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act])=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, str={126:0}, str[act]={15:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1791] RET zf_show_action(action) [L1793] CALL spin_lock_init(&zf_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={41:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4153] lock->init = 1 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={41:0}, lock={41:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={41:0}, lock={41:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1793] RET spin_lock_init(&zf_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1794] CALL spin_lock_init(&zf_port_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={39:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4153] lock->init = 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={39:0}, lock={39:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4154] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={39:0}, lock={39:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1794] RET spin_lock_init(&zf_port_lock) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1796] CALL, EXPR misc_register(&zf_miscdev) [L3492] int i; [L3493] dev_t dev; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3495] COND TRUE fixed_cdev_used < 1 [L3496] i = fixed_cdev_used [L3497] fixed_cdev_used++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3499] fixed_cdev[i].owner = ((struct module *) 0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3500] EXPR misc->fops VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, misc->fops={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3500] fixed_cdev[i].ops = misc->fops VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, misc->fops={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3502] EXPR misc->minor VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3502] dev = (((10) << 20) | (misc->minor)) [L3504] CALL, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3847] p->dev = dev VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3848] p->count = count VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3850] int return_value = __VERIFIER_nondet_int(); [L3851] CALL assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L10] COND FALSE !(!cond) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, cond=1, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3851] RET assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3853] COND TRUE return_value == 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3854] COND TRUE number_cdev_registered < 1 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3856] cdev_registered[number_cdev_registered].cdevp = p VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3857] cdev_registered[number_cdev_registered].inode.i_rdev = dev VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3858] cdev_registered[number_cdev_registered].inode.i_cdev = p VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3859] cdev_registered[number_cdev_registered].open = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3861] number_cdev_registered++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3867] 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={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3504] RET, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_add(&fixed_cdev[i], dev, 0)=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3504] 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}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1803] CALL, EXPR request_region(0x218, 3, "MachZ ZFL WDT") 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, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3926] unsigned int i; [L3927] struct resource *resource = (struct resource*)malloc(sizeof(struct resource)); [L3932] ddv_ioport_request_start = start [L3933] ddv_ioport_request_len = len [L3935] return resource; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(ddv_ioport_request_len)=0, \old(ddv_ioport_request_start)=0, \old(len)=3, \old(start)=536, \result={63:0}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, resource={63:0}, shared_workqueue={43:0}, start=536, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1803] RET, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, request_region(0x218, 3, "MachZ ZFL WDT")={63:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1803] COND FALSE !(!request_region(0x218, 3, "MachZ ZFL WDT")) [L1810] CALL, EXPR register_reboot_notifier(&zf_notifier) [L4521] int i; [L4521] return i; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, dummy={46:0}, dummy={46:0}, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2147483648, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1810] RET, EXPR register_reboot_notifier(&zf_notifier) [L1810] ret = register_reboot_notifier(&zf_notifier) [L1811] COND TRUE \read(ret) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1812-L1813] CALL printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={25:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4480] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={25:0}, fmt={25:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1812-L1813] RET printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1828] CALL release_region(0x218, 3) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3940] unsigned int i = 0; [L3946] ddv_ioport_request_start = 0 [L3947] ddv_ioport_request_len = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, start=536, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1828] RET release_region(0x218, 3) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1830] CALL misc_deregister(&zf_miscdev) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4522] int i; [L4522] return i; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=49, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=49, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1830] RET misc_deregister(&zf_miscdev) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1832] return ret; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2730] RET, EXPR (* _ddv_module_init)() [L2730] err = (* _ddv_module_init)() [L2732] COND TRUE \read(err) [L2733] return -1; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=-1, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, err=2147483648, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1852] RET call_ddv() [L1854] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: 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, 668 locations, 205 error locations. Started 1 CEGAR loops. OverallTime: 403.4s, OverallIterations: 34, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 254.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 23442 SdHoareTripleChecker+Valid, 248.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23274 mSDsluCounter, 97746 SdHoareTripleChecker+Invalid, 232.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1991 IncrementalHoareTripleChecker+Unchecked, 72759 mSDsCounter, 1234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33600 IncrementalHoareTripleChecker+Invalid, 36882 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1234 mSolverCounterUnsat, 24987 mSDtfsCounter, 33600 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3769 GetRequests, 3499 SyntacticMatches, 12 SemanticMatches, 258 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 31.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1696occurred in iteration=17, InterpolantAutomatonStates: 214, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 33 MinimizatonAttempts, 4034 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.4s SsaConstructionTime, 46.5s SatisfiabilityAnalysisTime, 64.2s InterpolantComputationTime, 3209 NumberOfCodeBlocks, 3161 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 3338 ConstructedInterpolants, 88 QuantifiedInterpolants, 40524 SizeOfPredicates, 91 NumberOfNonLiveVariables, 34944 ConjunctsInSsa, 335 ConjunctsInUnsatCore, 49 InterpolantComputations, 21 PerfectInterpolantSequences, 5310/5954 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 [2022-11-18 18:46:58,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b837b26f-ba6d-428e-801e-40da3b51179e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample