./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 12:38:49,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:38:49,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:38:49,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:38:49,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:38:49,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:38:49,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:38:49,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:38:49,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:38:49,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:38:49,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:38:49,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:38:49,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:38:49,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:38:49,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:38:49,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:38:49,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:38:49,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:38:49,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:38:49,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:38:49,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:38:49,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:38:49,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:38:49,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:38:49,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:38:49,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:38:49,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:38:49,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:38:49,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:38:49,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:38:49,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:38:49,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:38:49,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:38:49,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:38:49,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:38:49,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:38:49,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:38:49,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:38:49,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:38:49,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:38:49,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:38:49,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 12:38:49,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:38:49,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:38:49,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:38:49,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:38:49,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:38:49,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:38:49,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:38:49,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:38:49,642 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:38:49,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:38:49,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:38:49,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:38:49,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:38:49,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:38:49,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:38:49,645 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:38:49,646 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:38:49,646 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:38:49,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:38:49,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:38:49,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:38:49,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:38:49,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:38:49,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:38:49,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:38:49,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:38:49,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:38:49,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:38:49,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:38:49,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:38:49,651 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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2022-11-16 12:38:49,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:38:50,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:38:50,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:38:50,048 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:38:50,049 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:38:50,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-16 12:38:50,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/f313fc2d8/9761af0ac6254b319ce034c9fc6fa37e/FLAG99f7e0367 [2022-11-16 12:38:51,061 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:38:51,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-16 12:38:51,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/f313fc2d8/9761af0ac6254b319ce034c9fc6fa37e/FLAG99f7e0367 [2022-11-16 12:38:51,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/f313fc2d8/9761af0ac6254b319ce034c9fc6fa37e [2022-11-16 12:38:51,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:38:51,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:38:51,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:38:51,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:38:51,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:38:51,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:51" (1/1) ... [2022-11-16 12:38:51,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4467b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:51, skipping insertion in model container [2022-11-16 12:38:51,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:51" (1/1) ... [2022-11-16 12:38:51,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:38:51,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:38:52,059 WARN L229 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_6fc3c067-53d0-49b1-b48e-96492254c4e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-16 12:38:53,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:38:53,749 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) [2022-11-16 12:38:53,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10cb9b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:53, skipping insertion in model container [2022-11-16 12:38:53,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:38:53,750 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 12:38:53,752 INFO L158 Benchmark]: Toolchain (without parser) took 2162.45ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 51.3MB in the beginning and 76.1MB in the end (delta: -24.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-16 12:38:53,753 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:38:53,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2157.73ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 51.2MB in the beginning and 76.1MB in the end (delta: -24.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-16 12:38:53,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2157.73ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 51.2MB in the beginning and 76.1MB in the end (delta: -24.9MB). Peak memory consumption was 11.7MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 12:38:56,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:38:56,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:38:56,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:38:56,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:38:56,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:38:56,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:38:56,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:38:56,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:38:56,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:38:56,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:38:56,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:38:56,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:38:56,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:38:56,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:38:56,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:38:56,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:38:56,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:38:56,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:38:56,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:38:56,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:38:56,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:38:56,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:38:56,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:38:56,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:38:56,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:38:56,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:38:56,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:38:56,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:38:56,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:38:56,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:38:56,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:38:56,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:38:56,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:38:56,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:38:56,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:38:56,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:38:56,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:38:56,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:38:56,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:38:56,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:38:56,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-16 12:38:56,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:38:56,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:38:56,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:38:56,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:38:56,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:38:56,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:38:56,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:38:56,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:38:56,552 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:38:56,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:38:56,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:38:56,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:38:56,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:38:56,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:38:56,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:38:56,553 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:38:56,554 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:38:56,554 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:38:56,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:38:56,554 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:38:56,555 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:38:56,555 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:38:56,555 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:38:56,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:38:56,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:38:56,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:38:56,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:38:56,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:38:56,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:38:56,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:38:56,557 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:38:56,557 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:38:56,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:38:56,558 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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2022-11-16 12:38:57,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:38:57,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:38:57,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:38:57,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:38:57,076 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:38:57,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-16 12:38:57,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/a5aa69b74/8a98f040f73d4f6d80f06d0dec7cfffe/FLAGc44d70071 [2022-11-16 12:38:58,022 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:38:58,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-11-16 12:38:58,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/a5aa69b74/8a98f040f73d4f6d80f06d0dec7cfffe/FLAGc44d70071 [2022-11-16 12:38:58,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/data/a5aa69b74/8a98f040f73d4f6d80f06d0dec7cfffe [2022-11-16 12:38:58,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:38:58,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:38:58,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:38:58,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:38:58,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:38:58,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:58" (1/1) ... [2022-11-16 12:38:58,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78888896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:58, skipping insertion in model container [2022-11-16 12:38:58,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:58" (1/1) ... [2022-11-16 12:38:58,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:38:58,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:38:58,665 WARN L229 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_6fc3c067-53d0-49b1-b48e-96492254c4e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-16 12:38:59,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:39:00,001 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 12:39:00,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:39:00,058 WARN L229 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_6fc3c067-53d0-49b1-b48e-96492254c4e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-16 12:39:00,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:39:00,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:39:00,467 WARN L229 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_6fc3c067-53d0-49b1-b48e-96492254c4e2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2022-11-16 12:39:00,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:39:00,951 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:39:00,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00 WrapperNode [2022-11-16 12:39:00,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:39:00,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:39:00,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:39:00,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:39:00,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,107 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 966 [2022-11-16 12:39:01,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:39:01,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:39:01,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:39:01,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:39:01,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:39:01,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:39:01,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:39:01,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:39:01,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (1/1) ... [2022-11-16 12:39:01,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:39:01,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:01,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:39:01,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:39:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-16 12:39:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-16 12:39:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-16 12:39:01,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-16 12:39:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:39:01,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-16 12:39:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:39:01,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:39:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:39:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 12:39:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 12:39:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 12:39:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:39:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:39:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:39:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-16 12:39:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-16 12:39:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-16 12:39:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 12:39:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 12:39:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:39:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-16 12:39:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-16 12:39:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:39:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:39:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:39:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:39:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-16 12:39:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-16 12:39:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-16 12:39:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-16 12:39:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:39:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:39:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-16 12:39:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-16 12:39:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 12:39:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 12:39:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-16 12:39:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:39:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:39:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:39:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 12:39:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 12:39:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:39:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:39:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 12:39:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 12:39:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 12:39:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 12:39:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 12:39:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 12:39:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 12:39:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 12:39:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:39:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-16 12:39:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-16 12:39:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-16 12:39:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-16 12:39:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 12:39:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 12:39:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 12:39:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 12:39:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-16 12:39:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-16 12:39:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-16 12:39:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-16 12:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-16 12:39:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-16 12:39:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-16 12:39:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-16 12:39:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-16 12:39:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-16 12:39:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-16 12:39:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:39:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:39:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-16 12:39:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-16 12:39:02,052 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:39:02,060 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:39:08,544 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:39:08,572 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:39:08,572 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 12:39:08,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:08 BoogieIcfgContainer [2022-11-16 12:39:08,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:39:08,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:39:08,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:39:08,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:39:08,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:38:58" (1/3) ... [2022-11-16 12:39:08,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d32485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:39:08, skipping insertion in model container [2022-11-16 12:39:08,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:00" (2/3) ... [2022-11-16 12:39:08,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d32485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:39:08, skipping insertion in model container [2022-11-16 12:39:08,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:08" (3/3) ... [2022-11-16 12:39:08,593 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2022-11-16 12:39:08,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:39:08,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2022-11-16 12:39:08,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:39:08,720 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;@3741f2a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:39:08,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2022-11-16 12:39:08,733 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) [2022-11-16 12:39:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:39:08,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:08,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:39:08,745 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)] === [2022-11-16 12:39:08,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:08,754 INFO L85 PathProgramCache]: Analyzing trace with hash 327228190, now seen corresponding path program 1 times [2022-11-16 12:39:08,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:39:08,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182482275] [2022-11-16 12:39:08,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:08,772 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 [2022-11-16 12:39:08,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:39:08,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:39:08,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:09,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:39:09,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:09,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:39:09,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:39:09,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182482275] [2022-11-16 12:39:09,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182482275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:39:09,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:39:09,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:39:09,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060325744] [2022-11-16 12:39:09,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:39:09,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:39:09,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:39:09,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:39:09,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:39:09,656 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) [2022-11-16 12:39:11,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:39:13,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:39:17,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:17,962 INFO L93 Difference]: Finished difference Result 1200 states and 1437 transitions. [2022-11-16 12:39:17,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:39:17,966 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 [2022-11-16 12:39:17,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:17,987 INFO L225 Difference]: With dead ends: 1200 [2022-11-16 12:39:17,988 INFO L226 Difference]: Without dead ends: 1196 [2022-11-16 12:39:17,989 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 [2022-11-16 12:39:17,993 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 684 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:17,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 2463 Invalid, 1112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1106 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-16 12:39:18,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2022-11-16 12:39:18,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 983. [2022-11-16 12:39:18,118 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) [2022-11-16 12:39:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1341 transitions. [2022-11-16 12:39:18,128 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1341 transitions. Word has length 5 [2022-11-16 12:39:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:18,129 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1341 transitions. [2022-11-16 12:39:18,129 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) [2022-11-16 12:39:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1341 transitions. [2022-11-16 12:39:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:39:18,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:18,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:39:18,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:39:18,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:18,369 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)] === [2022-11-16 12:39:18,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:18,369 INFO L85 PathProgramCache]: Analyzing trace with hash 327228191, now seen corresponding path program 1 times [2022-11-16 12:39:18,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:39:18,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818821441] [2022-11-16 12:39:18,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:18,370 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 [2022-11-16 12:39:18,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:39:18,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:39:18,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:18,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:39:18,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:19,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:39:19,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:39:19,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818821441] [2022-11-16 12:39:19,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818821441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:39:19,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:39:19,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:39:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658293874] [2022-11-16 12:39:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:39:19,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:39:19,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:39:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:39:19,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:39:19,005 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) [2022-11-16 12:39:21,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:39:23,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:39:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:26,843 INFO L93 Difference]: Finished difference Result 1115 states and 1433 transitions. [2022-11-16 12:39:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:39:26,853 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 [2022-11-16 12:39:26,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:26,862 INFO L225 Difference]: With dead ends: 1115 [2022-11-16 12:39:26,863 INFO L226 Difference]: Without dead ends: 1115 [2022-11-16 12:39:26,863 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 [2022-11-16 12:39:26,865 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 268 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s 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, 7.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:26,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 2618 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-16 12:39:26,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-11-16 12:39:26,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1056. [2022-11-16 12:39:26,915 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) [2022-11-16 12:39:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1429 transitions. [2022-11-16 12:39:26,924 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1429 transitions. Word has length 5 [2022-11-16 12:39:26,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:26,925 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1429 transitions. [2022-11-16 12:39:26,925 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) [2022-11-16 12:39:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1429 transitions. [2022-11-16 12:39:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:39:26,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:26,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:39:26,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:39:27,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:27,139 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)] === [2022-11-16 12:39:27,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:27,140 INFO L85 PathProgramCache]: Analyzing trace with hash -27521378, now seen corresponding path program 1 times [2022-11-16 12:39:27,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:39:27,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519992174] [2022-11-16 12:39:27,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:27,142 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 [2022-11-16 12:39:27,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:39:27,144 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:39:27,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:27,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:39:27,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:27,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:39:27,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:39:27,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519992174] [2022-11-16 12:39:27,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519992174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:39:27,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:39:27,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 12:39:27,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523217300] [2022-11-16 12:39:27,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:39:27,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:39:27,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:39:27,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:39:27,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:39:27,813 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) [2022-11-16 12:39:29,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:29,736 INFO L93 Difference]: Finished difference Result 1262 states and 1516 transitions. [2022-11-16 12:39:29,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:39:29,737 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 [2022-11-16 12:39:29,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:29,744 INFO L225 Difference]: With dead ends: 1262 [2022-11-16 12:39:29,744 INFO L226 Difference]: Without dead ends: 1262 [2022-11-16 12:39:29,745 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 [2022-11-16 12:39:29,746 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 657 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:29,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1284 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 12:39:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-11-16 12:39:29,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1055. [2022-11-16 12:39:29,825 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) [2022-11-16 12:39:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1424 transitions. [2022-11-16 12:39:29,839 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1424 transitions. Word has length 11 [2022-11-16 12:39:29,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:29,840 INFO L495 AbstractCegarLoop]: Abstraction has 1055 states and 1424 transitions. [2022-11-16 12:39:29,840 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) [2022-11-16 12:39:29,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1424 transitions. [2022-11-16 12:39:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:39:29,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:29,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:39:29,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:30,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:30,055 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)] === [2022-11-16 12:39:30,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:30,056 INFO L85 PathProgramCache]: Analyzing trace with hash -27521377, now seen corresponding path program 1 times [2022-11-16 12:39:30,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:39:30,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622208375] [2022-11-16 12:39:30,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:30,057 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 [2022-11-16 12:39:30,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:39:30,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:39:30,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:30,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:39:30,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:30,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:39:30,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:39:30,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622208375] [2022-11-16 12:39:30,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622208375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:39:30,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:39:30,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:39:30,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601034718] [2022-11-16 12:39:30,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:39:30,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:39:30,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:39:30,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:39:30,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:39:30,896 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) [2022-11-16 12:39:32,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:39:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:35,752 INFO L93 Difference]: Finished difference Result 1121 states and 1439 transitions. [2022-11-16 12:39:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:39:35,753 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 [2022-11-16 12:39:35,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:35,758 INFO L225 Difference]: With dead ends: 1121 [2022-11-16 12:39:35,758 INFO L226 Difference]: Without dead ends: 1121 [2022-11-16 12:39:35,758 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 [2022-11-16 12:39:35,759 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 261 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:35,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1988 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 574 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-16 12:39:35,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-11-16 12:39:35,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1058. [2022-11-16 12:39:35,809 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) [2022-11-16 12:39:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1427 transitions. [2022-11-16 12:39:35,817 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1427 transitions. Word has length 11 [2022-11-16 12:39:35,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:35,818 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1427 transitions. [2022-11-16 12:39:35,818 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) [2022-11-16 12:39:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1427 transitions. [2022-11-16 12:39:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 12:39:35,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:35,819 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:39:35,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:39:36,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:36,037 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)] === [2022-11-16 12:39:36,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:36,038 INFO L85 PathProgramCache]: Analyzing trace with hash 449678287, now seen corresponding path program 1 times [2022-11-16 12:39:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:39:36,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662332968] [2022-11-16 12:39:36,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:36,039 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 [2022-11-16 12:39:36,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:39:36,041 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:39:36,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:36,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:39:36,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:36,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:37,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:39:37,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662332968] [2022-11-16 12:39:37,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662332968] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:37,286 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:39:37,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2022-11-16 12:39:37,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764534606] [2022-11-16 12:39:37,286 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:37,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:39:37,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:39:37,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:39:37,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:39:37,288 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) [2022-11-16 12:39:39,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:39:41,330 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 [] [2022-11-16 12:39:51,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:51,313 INFO L93 Difference]: Finished difference Result 1331 states and 1673 transitions. [2022-11-16 12:39:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:39:51,315 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 [2022-11-16 12:39:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:51,322 INFO L225 Difference]: With dead ends: 1331 [2022-11-16 12:39:51,322 INFO L226 Difference]: Without dead ends: 1331 [2022-11-16 12:39:51,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:39:51,324 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 1046 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 85 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s 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, 13.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:51,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 3195 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1355 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2022-11-16 12:39:51,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-16 12:39:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1205. [2022-11-16 12:39:51,366 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) [2022-11-16 12:39:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1653 transitions. [2022-11-16 12:39:51,373 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1653 transitions. Word has length 14 [2022-11-16 12:39:51,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:51,374 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1653 transitions. [2022-11-16 12:39:51,374 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) [2022-11-16 12:39:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1653 transitions. [2022-11-16 12:39:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 12:39:51,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:51,375 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:39:51,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:51,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:51,595 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)] === [2022-11-16 12:39:51,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:51,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1064725833, now seen corresponding path program 1 times [2022-11-16 12:39:51,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:39:51,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38356784] [2022-11-16 12:39:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:51,597 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 [2022-11-16 12:39:51,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:39:51,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:39:51,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:52,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:39:52,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:52,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:52,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:39:52,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38356784] [2022-11-16 12:39:52,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38356784] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:52,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:39:52,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 12:39:52,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405382066] [2022-11-16 12:39:52,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:52,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:39:52,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:39:52,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:39:52,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:39:52,427 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) [2022-11-16 12:39:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:52,964 INFO L93 Difference]: Finished difference Result 1211 states and 1657 transitions. [2022-11-16 12:39:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:39:52,965 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 [2022-11-16 12:39:52,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:52,972 INFO L225 Difference]: With dead ends: 1211 [2022-11-16 12:39:52,972 INFO L226 Difference]: Without dead ends: 1211 [2022-11-16 12:39:52,972 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 [2022-11-16 12:39:52,973 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 883 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:52,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 2924 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 12:39:52,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-11-16 12:39:53,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2022-11-16 12:39:53,014 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) [2022-11-16 12:39:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1657 transitions. [2022-11-16 12:39:53,021 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1657 transitions. Word has length 19 [2022-11-16 12:39:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:53,021 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1657 transitions. [2022-11-16 12:39:53,022 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) [2022-11-16 12:39:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1657 transitions. [2022-11-16 12:39:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:39:53,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:53,023 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:39:53,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:39:53,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:53,239 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)] === [2022-11-16 12:39:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1407192417, now seen corresponding path program 2 times [2022-11-16 12:39:53,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:39:53,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879236286] [2022-11-16 12:39:53,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:39:53,241 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 [2022-11-16 12:39:53,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:39:53,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:39:53,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:39:53,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:39:53,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:39:54,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:39:54,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:54,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:39:56,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:39:56,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879236286] [2022-11-16 12:39:56,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879236286] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:56,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:39:56,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2022-11-16 12:39:56,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428447844] [2022-11-16 12:39:56,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:56,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 12:39:56,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:39:56,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 12:39:56,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:39:56,042 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) [2022-11-16 12:39:58,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:00,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:02,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:04,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:06,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:08,107 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 [] [2022-11-16 12:40:27,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:40:27,117 INFO L93 Difference]: Finished difference Result 1337 states and 1691 transitions. [2022-11-16 12:40:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 12:40:27,118 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 [2022-11-16 12:40:27,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:40:27,124 INFO L225 Difference]: With dead ends: 1337 [2022-11-16 12:40:27,124 INFO L226 Difference]: Without dead ends: 1337 [2022-11-16 12:40:27,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=243, Invalid=407, Unknown=0, NotChecked=0, Total=650 [2022-11-16 12:40:27,126 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 733 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 94 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s 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, 28.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:40:27,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 6337 Invalid, 3227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3127 Invalid, 6 Unknown, 0 Unchecked, 28.2s Time] [2022-11-16 12:40:27,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2022-11-16 12:40:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1223. [2022-11-16 12:40:27,164 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) [2022-11-16 12:40:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1673 transitions. [2022-11-16 12:40:27,170 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1673 transitions. Word has length 23 [2022-11-16 12:40:27,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:40:27,171 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1673 transitions. [2022-11-16 12:40:27,172 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) [2022-11-16 12:40:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1673 transitions. [2022-11-16 12:40:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 12:40:27,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:40:27,174 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:27,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 12:40:27,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:27,395 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)] === [2022-11-16 12:40:27,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:27,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179145, now seen corresponding path program 2 times [2022-11-16 12:40:27,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:40:27,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867127310] [2022-11-16 12:40:27,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:40:27,397 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 [2022-11-16 12:40:27,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:40:27,398 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:40:27,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:27,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 12:40:27,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:40:27,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:40:27,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:40:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-16 12:40:28,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:40:28,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:40:28,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867127310] [2022-11-16 12:40:28,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867127310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:40:28,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:40:28,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 12:40:28,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885825] [2022-11-16 12:40:28,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:40:28,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:40:28,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:40:28,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:40:28,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:40:28,150 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) [2022-11-16 12:40:29,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:40:29,951 INFO L93 Difference]: Finished difference Result 1431 states and 1766 transitions. [2022-11-16 12:40:29,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:40:29,952 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 [2022-11-16 12:40:29,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:40:29,958 INFO L225 Difference]: With dead ends: 1431 [2022-11-16 12:40:29,958 INFO L226 Difference]: Without dead ends: 1431 [2022-11-16 12:40:29,958 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 [2022-11-16 12:40:29,959 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 643 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:40:29,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1282 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 12:40:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2022-11-16 12:40:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1221. [2022-11-16 12:40:29,990 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) [2022-11-16 12:40:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1664 transitions. [2022-11-16 12:40:29,996 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1664 transitions. Word has length 31 [2022-11-16 12:40:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:40:29,996 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1664 transitions. [2022-11-16 12:40:29,996 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) [2022-11-16 12:40:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1664 transitions. [2022-11-16 12:40:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 12:40:29,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:40:29,998 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:30,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:30,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:30,211 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)] === [2022-11-16 12:40:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:30,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179146, now seen corresponding path program 1 times [2022-11-16 12:40:30,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:40:30,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113278418] [2022-11-16 12:40:30,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:40:30,212 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 [2022-11-16 12:40:30,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:40:30,214 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:40:30,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:40:30,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:40:30,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:40:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:40:30,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:40:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:40:31,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:40:31,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113278418] [2022-11-16 12:40:31,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113278418] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:40:31,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:40:31,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-16 12:40:31,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508065965] [2022-11-16 12:40:31,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:40:31,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 12:40:31,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:40:31,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 12:40:31,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:40:31,225 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) [2022-11-16 12:40:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:40:32,291 INFO L93 Difference]: Finished difference Result 1221 states and 1660 transitions. [2022-11-16 12:40:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:40:32,293 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 [2022-11-16 12:40:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:40:32,298 INFO L225 Difference]: With dead ends: 1221 [2022-11-16 12:40:32,298 INFO L226 Difference]: Without dead ends: 1221 [2022-11-16 12:40:32,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:40:32,299 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 3391 mSDsluCounter, 4789 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:40:32,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 5569 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:40:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-11-16 12:40:32,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2022-11-16 12:40:32,327 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) [2022-11-16 12:40:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1660 transitions. [2022-11-16 12:40:32,332 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1660 transitions. Word has length 31 [2022-11-16 12:40:32,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:40:32,333 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1660 transitions. [2022-11-16 12:40:32,333 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) [2022-11-16 12:40:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1660 transitions. [2022-11-16 12:40:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 12:40:32,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:40:32,334 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:40:32,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:32,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:32,551 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)] === [2022-11-16 12:40:32,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:40:32,551 INFO L85 PathProgramCache]: Analyzing trace with hash -738162529, now seen corresponding path program 3 times [2022-11-16 12:40:32,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:40:32,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682454335] [2022-11-16 12:40:32,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:40:32,552 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 [2022-11-16 12:40:32,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:40:32,554 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:40:32,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:40:34,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-16 12:40:34,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:40:34,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:40:34,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:40:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:40:35,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:40:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:40:37,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:40:37,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682454335] [2022-11-16 12:40:37,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682454335] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:40:37,946 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:40:37,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2022-11-16 12:40:37,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132023344] [2022-11-16 12:40:37,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:40:37,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-16 12:40:37,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:40:37,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-16 12:40:37,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2022-11-16 12:40:37,948 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) [2022-11-16 12:40:39,980 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 [] [2022-11-16 12:40:41,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:43,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:45,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:47,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:50,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:52,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:54,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:56,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:40:58,031 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 [] [2022-11-16 12:41:26,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:26,211 INFO L93 Difference]: Finished difference Result 1570 states and 1888 transitions. [2022-11-16 12:41:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 12:41:26,212 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 [2022-11-16 12:41:26,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:26,216 INFO L225 Difference]: With dead ends: 1570 [2022-11-16 12:41:26,217 INFO L226 Difference]: Without dead ends: 1570 [2022-11-16 12:41:26,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2022-11-16 12:41:26,218 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 2460 mSDsluCounter, 8064 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 268 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s 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, 47.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:26,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 8805 Invalid, 5739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [268 Valid, 5461 Invalid, 10 Unknown, 0 Unchecked, 47.4s Time] [2022-11-16 12:41:26,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-11-16 12:41:26,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1219. [2022-11-16 12:41:26,246 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) [2022-11-16 12:41:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1657 transitions. [2022-11-16 12:41:26,250 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1657 transitions. Word has length 41 [2022-11-16 12:41:26,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:26,251 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1657 transitions. [2022-11-16 12:41:26,251 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) [2022-11-16 12:41:26,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1657 transitions. [2022-11-16 12:41:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 12:41:26,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:26,252 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:26,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:26,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:26,471 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)] === [2022-11-16 12:41:26,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:26,471 INFO L85 PathProgramCache]: Analyzing trace with hash -704629430, now seen corresponding path program 2 times [2022-11-16 12:41:26,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:26,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974623125] [2022-11-16 12:41:26,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:41:26,472 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 [2022-11-16 12:41:26,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:26,473 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:41:26,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:26,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 12:41:27,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:41:27,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:41:27,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-16 12:41:27,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:41:27,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:27,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974623125] [2022-11-16 12:41:27,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974623125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:27,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:27,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:41:27,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475328467] [2022-11-16 12:41:27,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:27,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:41:27,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:27,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:41:27,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:41:27,447 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) [2022-11-16 12:41:29,473 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 [] [2022-11-16 12:41:31,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:31,815 INFO L93 Difference]: Finished difference Result 1275 states and 1669 transitions. [2022-11-16 12:41:31,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:41:31,816 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 [2022-11-16 12:41:31,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:31,820 INFO L225 Difference]: With dead ends: 1275 [2022-11-16 12:41:31,821 INFO L226 Difference]: Without dead ends: 1275 [2022-11-16 12:41:31,821 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 [2022-11-16 12:41:31,821 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, 4.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:31,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1974 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 571 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-16 12:41:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-11-16 12:41:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1217. [2022-11-16 12:41:31,846 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) [2022-11-16 12:41:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1655 transitions. [2022-11-16 12:41:31,850 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1655 transitions. Word has length 43 [2022-11-16 12:41:31,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:31,850 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1655 transitions. [2022-11-16 12:41:31,850 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) [2022-11-16 12:41:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1655 transitions. [2022-11-16 12:41:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 12:41:31,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:31,852 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] [2022-11-16 12:41:31,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:32,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:32,067 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)] === [2022-11-16 12:41:32,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:32,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2020825701, now seen corresponding path program 1 times [2022-11-16 12:41:32,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:32,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628439009] [2022-11-16 12:41:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:32,068 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 [2022-11-16 12:41:32,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:32,069 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:41:32,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:32,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:41:32,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-16 12:41:32,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:41:32,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:32,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628439009] [2022-11-16 12:41:32,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628439009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:32,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:32,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:41:32,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536063907] [2022-11-16 12:41:32,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:32,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:41:32,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:32,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:41:32,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:41:32,919 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) [2022-11-16 12:41:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:32,935 INFO L93 Difference]: Finished difference Result 1217 states and 1654 transitions. [2022-11-16 12:41:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:41:32,936 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 [2022-11-16 12:41:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:32,941 INFO L225 Difference]: With dead ends: 1217 [2022-11-16 12:41:32,941 INFO L226 Difference]: Without dead ends: 1217 [2022-11-16 12:41:32,941 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 [2022-11-16 12:41:32,942 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 [2022-11-16 12:41:32,943 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] [2022-11-16 12:41:32,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-11-16 12:41:32,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1217. [2022-11-16 12:41:32,986 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) [2022-11-16 12:41:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1654 transitions. [2022-11-16 12:41:32,990 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1654 transitions. Word has length 67 [2022-11-16 12:41:32,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:32,991 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1654 transitions. [2022-11-16 12:41:32,991 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) [2022-11-16 12:41:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1654 transitions. [2022-11-16 12:41:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 12:41:32,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:32,999 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] [2022-11-16 12:41:33,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:41:33,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:33,219 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)] === [2022-11-16 12:41:33,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:33,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823779, now seen corresponding path program 1 times [2022-11-16 12:41:33,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:33,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843469452] [2022-11-16 12:41:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:33,220 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 [2022-11-16 12:41:33,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:33,221 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:41:33,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:33,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:41:33,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:33,969 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 [2022-11-16 12:41:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-16 12:41:33,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:41:33,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:33,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843469452] [2022-11-16 12:41:33,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843469452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:33,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:33,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:41:33,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556553771] [2022-11-16 12:41:33,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:33,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:41:33,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:33,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:41:33,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:41:33,981 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) [2022-11-16 12:41:36,006 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 [] [2022-11-16 12:41:36,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:36,980 INFO L93 Difference]: Finished difference Result 1216 states and 1653 transitions. [2022-11-16 12:41:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:41:36,983 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 [2022-11-16 12:41:36,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:36,988 INFO L225 Difference]: With dead ends: 1216 [2022-11-16 12:41:36,989 INFO L226 Difference]: Without dead ends: 1216 [2022-11-16 12:41:36,989 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 [2022-11-16 12:41:36,990 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, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:36,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1355 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-16 12:41:36,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2022-11-16 12:41:37,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1216. [2022-11-16 12:41:37,016 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) [2022-11-16 12:41:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1653 transitions. [2022-11-16 12:41:37,020 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1653 transitions. Word has length 67 [2022-11-16 12:41:37,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:37,021 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 1653 transitions. [2022-11-16 12:41:37,021 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) [2022-11-16 12:41:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1653 transitions. [2022-11-16 12:41:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 12:41:37,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:37,022 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] [2022-11-16 12:41:37,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:37,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:37,241 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)] === [2022-11-16 12:41:37,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:37,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823780, now seen corresponding path program 1 times [2022-11-16 12:41:37,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:37,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971331662] [2022-11-16 12:41:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:37,243 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 [2022-11-16 12:41:37,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:37,245 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:41:37,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:38,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:41:38,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:38,328 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 [2022-11-16 12:41:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-16 12:41:38,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:41:38,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:38,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971331662] [2022-11-16 12:41:38,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971331662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:38,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:38,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:41:38,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963902355] [2022-11-16 12:41:38,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:38,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:41:38,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:38,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:41:38,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:41:38,364 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) [2022-11-16 12:41:40,395 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 [] [2022-11-16 12:41:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:41,729 INFO L93 Difference]: Finished difference Result 1215 states and 1652 transitions. [2022-11-16 12:41:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:41:41,730 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 [2022-11-16 12:41:41,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:41,734 INFO L225 Difference]: With dead ends: 1215 [2022-11-16 12:41:41,734 INFO L226 Difference]: Without dead ends: 1215 [2022-11-16 12:41:41,735 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 [2022-11-16 12:41:41,735 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 [2022-11-16 12:41:41,736 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] [2022-11-16 12:41:41,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-11-16 12:41:41,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2022-11-16 12:41:41,758 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) [2022-11-16 12:41:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1652 transitions. [2022-11-16 12:41:41,762 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1652 transitions. Word has length 67 [2022-11-16 12:41:41,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:41,763 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1652 transitions. [2022-11-16 12:41:41,763 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) [2022-11-16 12:41:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1652 transitions. [2022-11-16 12:41:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 12:41:41,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:41,764 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] [2022-11-16 12:41:41,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:41,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:41,982 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)] === [2022-11-16 12:41:41,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:41,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1355687384, now seen corresponding path program 1 times [2022-11-16 12:41:41,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:41,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010856402] [2022-11-16 12:41:41,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:41,983 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 [2022-11-16 12:41:41,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:41,986 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:41:41,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:42,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:41:42,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-16 12:41:42,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:41:42,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:42,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010856402] [2022-11-16 12:41:42,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010856402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:42,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:42,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:41:42,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413002107] [2022-11-16 12:41:42,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:42,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:41:42,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:42,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:41:42,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:41:42,927 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) [2022-11-16 12:41:44,954 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 [] [2022-11-16 12:41:46,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:46,071 INFO L93 Difference]: Finished difference Result 1256 states and 1661 transitions. [2022-11-16 12:41:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:41:46,072 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 [2022-11-16 12:41:46,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:46,077 INFO L225 Difference]: With dead ends: 1256 [2022-11-16 12:41:46,077 INFO L226 Difference]: Without dead ends: 1244 [2022-11-16 12:41:46,078 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 [2022-11-16 12:41:46,078 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 93 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:46,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1317 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 12:41:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-11-16 12:41:46,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1211. [2022-11-16 12:41:46,107 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) [2022-11-16 12:41:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1645 transitions. [2022-11-16 12:41:46,111 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1645 transitions. Word has length 74 [2022-11-16 12:41:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:46,112 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1645 transitions. [2022-11-16 12:41:46,112 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) [2022-11-16 12:41:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1645 transitions. [2022-11-16 12:41:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-16 12:41:46,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:46,113 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] [2022-11-16 12:41:46,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:41:46,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:46,331 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)] === [2022-11-16 12:41:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150361, now seen corresponding path program 1 times [2022-11-16 12:41:46,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:46,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024935275] [2022-11-16 12:41:46,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:46,333 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 [2022-11-16 12:41:46,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:46,334 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:41:46,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:41:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:47,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:41:47,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:48,333 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-16 12:41:48,334 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 [2022-11-16 12:41:48,433 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 [2022-11-16 12:41:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-16 12:41:48,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:41:48,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:48,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024935275] [2022-11-16 12:41:48,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2024935275] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:41:48,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1894746715] [2022-11-16 12:41:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:48,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:41:48,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:41:48,661 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:41:48,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-11-16 12:41:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:51,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:41:51,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:51,769 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-16 12:41:51,769 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 [2022-11-16 12:41:51,946 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 [2022-11-16 12:41:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-16 12:41:52,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:41:52,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1894746715] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:41:52,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:41:52,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-16 12:41:52,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504967700] [2022-11-16 12:41:52,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:41:52,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:41:52,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:52,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:41:52,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:41:52,144 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) [2022-11-16 12:41:54,176 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 [] [2022-11-16 12:41:56,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:41:58,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:00,195 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 [] [2022-11-16 12:42:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:06,304 INFO L93 Difference]: Finished difference Result 1742 states and 2280 transitions. [2022-11-16 12:42:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:42:06,305 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 [2022-11-16 12:42:06,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:42:06,312 INFO L225 Difference]: With dead ends: 1742 [2022-11-16 12:42:06,312 INFO L226 Difference]: Without dead ends: 1742 [2022-11-16 12:42:06,313 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 [2022-11-16 12:42:06,314 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 752 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s 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, 14.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:42:06,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 4283 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2480 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2022-11-16 12:42:06,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-11-16 12:42:06,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1519. [2022-11-16 12:42:06,350 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) [2022-11-16 12:42:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2178 transitions. [2022-11-16 12:42:06,355 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2178 transitions. Word has length 76 [2022-11-16 12:42:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:42:06,356 INFO L495 AbstractCegarLoop]: Abstraction has 1519 states and 2178 transitions. [2022-11-16 12:42:06,356 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) [2022-11-16 12:42:06,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2178 transitions. [2022-11-16 12:42:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-16 12:42:06,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:42:06,363 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] [2022-11-16 12:42:06,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:06,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:42:06,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt [2022-11-16 12:42:06,785 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)] === [2022-11-16 12:42:06,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:06,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150360, now seen corresponding path program 1 times [2022-11-16 12:42:06,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:42:06,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773179527] [2022-11-16 12:42:06,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:06,787 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 [2022-11-16 12:42:06,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:42:06,788 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:42:06,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:08,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 12:42:08,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:42:09,199 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 [2022-11-16 12:42:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-16 12:42:09,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:42:12,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:42:12,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773179527] [2022-11-16 12:42:12,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773179527] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:42:12,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [118019436] [2022-11-16 12:42:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:12,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:42:12,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:42:12,131 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:42:12,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-16 12:42:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:14,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 12:42:14,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:42:15,990 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 [2022-11-16 12:42:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-16 12:42:16,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:42:16,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [118019436] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:42:16,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:42:16,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-16 12:42:16,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009794906] [2022-11-16 12:42:16,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:42:16,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:42:16,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:42:16,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:42:16,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2022-11-16 12:42:16,500 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) [2022-11-16 12:42:18,531 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 [] [2022-11-16 12:42:20,537 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 [] [2022-11-16 12:42:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:27,008 INFO L93 Difference]: Finished difference Result 1942 states and 2503 transitions. [2022-11-16 12:42:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:42:27,009 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 [2022-11-16 12:42:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:42:27,017 INFO L225 Difference]: With dead ends: 1942 [2022-11-16 12:42:27,017 INFO L226 Difference]: Without dead ends: 1942 [2022-11-16 12:42:27,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=50, Invalid=105, Unknown=1, NotChecked=0, Total=156 [2022-11-16 12:42:27,018 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 994 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s 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, 10.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:42:27,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2296 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1905 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2022-11-16 12:42:27,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2022-11-16 12:42:27,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1696. [2022-11-16 12:42:27,057 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) [2022-11-16 12:42:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2475 transitions. [2022-11-16 12:42:27,064 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2475 transitions. Word has length 76 [2022-11-16 12:42:27,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:42:27,064 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2475 transitions. [2022-11-16 12:42:27,064 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) [2022-11-16 12:42:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2475 transitions. [2022-11-16 12:42:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-16 12:42:27,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:42:27,066 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] [2022-11-16 12:42:27,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:42:27,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2022-11-16 12:42:27,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt [2022-11-16 12:42:27,479 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)] === [2022-11-16 12:42:27,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:27,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1356949500, now seen corresponding path program 1 times [2022-11-16 12:42:27,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:42:27,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504487935] [2022-11-16 12:42:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:27,481 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 [2022-11-16 12:42:27,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:42:27,483 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:42:27,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:28,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:42:28,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-16 12:42:28,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:42:28,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:42:28,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504487935] [2022-11-16 12:42:28,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504487935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:42:28,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:42:28,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:42:28,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505422915] [2022-11-16 12:42:28,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:42:28,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:42:28,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:42:28,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:42:28,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:42:28,377 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) [2022-11-16 12:42:28,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:28,443 INFO L93 Difference]: Finished difference Result 1336 states and 1884 transitions. [2022-11-16 12:42:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:42:28,447 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 [2022-11-16 12:42:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:42:28,453 INFO L225 Difference]: With dead ends: 1336 [2022-11-16 12:42:28,453 INFO L226 Difference]: Without dead ends: 1331 [2022-11-16 12:42:28,454 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 [2022-11-16 12:42:28,454 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 [2022-11-16 12:42:28,455 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] [2022-11-16 12:42:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-16 12:42:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2022-11-16 12:42:28,482 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) [2022-11-16 12:42:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1878 transitions. [2022-11-16 12:42:28,486 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1878 transitions. Word has length 81 [2022-11-16 12:42:28,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:42:28,487 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1878 transitions. [2022-11-16 12:42:28,487 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) [2022-11-16 12:42:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1878 transitions. [2022-11-16 12:42:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-16 12:42:28,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:42:28,488 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] [2022-11-16 12:42:28,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:28,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:28,703 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)] === [2022-11-16 12:42:28,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:28,703 INFO L85 PathProgramCache]: Analyzing trace with hash 986823980, now seen corresponding path program 1 times [2022-11-16 12:42:28,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:42:28,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179752969] [2022-11-16 12:42:28,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:28,705 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 [2022-11-16 12:42:28,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:42:28,706 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:42:28,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:30,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:42:30,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:30,678 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-16 12:42:30,679 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 [2022-11-16 12:42:30,762 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 [2022-11-16 12:42:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-16 12:42:30,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:42:31,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:42:31,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179752969] [2022-11-16 12:42:31,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179752969] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:42:31,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1012722975] [2022-11-16 12:42:31,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:31,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:42:31,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:42:31,022 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:42:31,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-16 12:42:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:33,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:42:33,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:34,526 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-16 12:42:34,527 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 [2022-11-16 12:42:34,671 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 [2022-11-16 12:42:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-16 12:42:34,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:42:34,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1012722975] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:42:34,918 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:42:34,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-16 12:42:34,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988227306] [2022-11-16 12:42:34,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:42:34,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:42:34,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:42:34,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:42:34,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:42:34,921 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) [2022-11-16 12:42:36,948 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 [] [2022-11-16 12:42:38,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:40,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:42,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:44,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:42:46,973 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 [] [2022-11-16 12:42:53,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:53,932 INFO L93 Difference]: Finished difference Result 1506 states and 1890 transitions. [2022-11-16 12:42:53,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:42:53,933 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 [2022-11-16 12:42:53,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:42:53,939 INFO L225 Difference]: With dead ends: 1506 [2022-11-16 12:42:53,940 INFO L226 Difference]: Without dead ends: 1506 [2022-11-16 12:42:53,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:42:53,941 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 737 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 2795 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s 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, 18.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:42:53,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 4560 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2795 Invalid, 6 Unknown, 0 Unchecked, 18.9s Time] [2022-11-16 12:42:53,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-11-16 12:42:53,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1329. [2022-11-16 12:42:53,968 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) [2022-11-16 12:42:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1876 transitions. [2022-11-16 12:42:53,973 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1876 transitions. Word has length 82 [2022-11-16 12:42:53,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:42:53,973 INFO L495 AbstractCegarLoop]: Abstraction has 1329 states and 1876 transitions. [2022-11-16 12:42:53,973 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) [2022-11-16 12:42:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1876 transitions. [2022-11-16 12:42:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-16 12:42:53,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:42:53,975 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] [2022-11-16 12:42:53,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:54,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2022-11-16 12:42:54,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt [2022-11-16 12:42:54,390 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)] === [2022-11-16 12:42:54,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:54,391 INFO L85 PathProgramCache]: Analyzing trace with hash 986823981, now seen corresponding path program 1 times [2022-11-16 12:42:54,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:42:54,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053977213] [2022-11-16 12:42:54,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:54,391 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 [2022-11-16 12:42:54,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:42:54,392 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:42:54,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:42:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:56,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 12:42:56,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:42:56,939 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 [2022-11-16 12:42:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-16 12:42:57,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:42:59,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:42:59,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053977213] [2022-11-16 12:42:59,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053977213] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:42:59,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [205707761] [2022-11-16 12:42:59,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:59,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:42:59,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:42:59,782 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:42:59,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2022-11-16 12:43:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:02,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 12:43:02,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:43:03,796 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 [2022-11-16 12:43:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-16 12:43:03,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:04,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [205707761] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:04,342 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:43:04,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-16 12:43:04,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157117543] [2022-11-16 12:43:04,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:43:04,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:04,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:43:04,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:04,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2022-11-16 12:43:04,345 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) [2022-11-16 12:43:06,381 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 [] [2022-11-16 12:43:08,386 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 [] [2022-11-16 12:43:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:14,030 INFO L93 Difference]: Finished difference Result 1573 states and 1902 transitions. [2022-11-16 12:43:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:43:14,030 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 [2022-11-16 12:43:14,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:14,035 INFO L225 Difference]: With dead ends: 1573 [2022-11-16 12:43:14,036 INFO L226 Difference]: Without dead ends: 1573 [2022-11-16 12:43:14,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=50, Invalid=105, Unknown=1, NotChecked=0, Total=156 [2022-11-16 12:43:14,037 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 1503 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s 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, 9.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:14,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 2001 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1681 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-16 12:43:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-11-16 12:43:14,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1327. [2022-11-16 12:43:14,062 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) [2022-11-16 12:43:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1874 transitions. [2022-11-16 12:43:14,066 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1874 transitions. Word has length 82 [2022-11-16 12:43:14,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:14,066 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1874 transitions. [2022-11-16 12:43:14,066 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) [2022-11-16 12:43:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1874 transitions. [2022-11-16 12:43:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-16 12:43:14,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:14,068 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] [2022-11-16 12:43:14,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:14,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:14,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:14,487 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)] === [2022-11-16 12:43:14,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:14,487 INFO L85 PathProgramCache]: Analyzing trace with hash -3613151, now seen corresponding path program 1 times [2022-11-16 12:43:14,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:43:14,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179257449] [2022-11-16 12:43:14,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:14,488 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 [2022-11-16 12:43:14,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:43:14,489 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:43:14,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:16,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:43:16,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:16,852 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-16 12:43:16,853 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 [2022-11-16 12:43:16,939 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 [2022-11-16 12:43:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:43:17,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:43:17,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:43:17,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179257449] [2022-11-16 12:43:17,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179257449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:17,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:17,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:43:17,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414364360] [2022-11-16 12:43:17,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:17,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:43:17,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:43:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:43:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:43:17,067 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) [2022-11-16 12:43:19,095 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 [] [2022-11-16 12:43:21,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:21,789 INFO L93 Difference]: Finished difference Result 1502 states and 1886 transitions. [2022-11-16 12:43:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:43:21,790 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 [2022-11-16 12:43:21,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:21,795 INFO L225 Difference]: With dead ends: 1502 [2022-11-16 12:43:21,795 INFO L226 Difference]: Without dead ends: 1502 [2022-11-16 12:43:21,795 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 [2022-11-16 12:43:21,796 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 719 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:21,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1687 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 754 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-16 12:43:21,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-11-16 12:43:21,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1325. [2022-11-16 12:43:21,823 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) [2022-11-16 12:43:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1872 transitions. [2022-11-16 12:43:21,827 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1872 transitions. Word has length 88 [2022-11-16 12:43:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:21,827 INFO L495 AbstractCegarLoop]: Abstraction has 1325 states and 1872 transitions. [2022-11-16 12:43:21,827 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) [2022-11-16 12:43:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1872 transitions. [2022-11-16 12:43:21,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-16 12:43:21,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:21,829 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] [2022-11-16 12:43:21,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:22,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:22,052 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)] === [2022-11-16 12:43:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:22,052 INFO L85 PathProgramCache]: Analyzing trace with hash -3613150, now seen corresponding path program 1 times [2022-11-16 12:43:22,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:43:22,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618978329] [2022-11-16 12:43:22,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:22,053 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 [2022-11-16 12:43:22,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:43:22,054 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:43:22,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:23,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:43:23,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:43:25,141 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 [2022-11-16 12:43:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:43:25,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:26,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:43:26,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618978329] [2022-11-16 12:43:26,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618978329] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:26,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1980725141] [2022-11-16 12:43:26,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:26,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:43:26,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:43:26,146 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:43:26,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2022-11-16 12:43:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:29,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:43:29,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:43:30,883 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 [2022-11-16 12:43:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:43:31,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:33,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1980725141] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:33,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:43:33,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-11-16 12:43:33,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028079392] [2022-11-16 12:43:33,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:43:33,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:43:33,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:43:33,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:43:33,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:43:33,650 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) [2022-11-16 12:43:35,689 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 [] [2022-11-16 12:43:38,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:38,111 INFO L93 Difference]: Finished difference Result 1376 states and 1879 transitions. [2022-11-16 12:43:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:43:38,112 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 [2022-11-16 12:43:38,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:38,116 INFO L225 Difference]: With dead ends: 1376 [2022-11-16 12:43:38,116 INFO L226 Difference]: Without dead ends: 1376 [2022-11-16 12:43:38,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:43:38,117 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 149 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:38,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1848 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-16 12:43:38,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2022-11-16 12:43:38,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1323. [2022-11-16 12:43:38,141 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) [2022-11-16 12:43:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1869 transitions. [2022-11-16 12:43:38,145 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1869 transitions. Word has length 88 [2022-11-16 12:43:38,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:38,146 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1869 transitions. [2022-11-16 12:43:38,146 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) [2022-11-16 12:43:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1869 transitions. [2022-11-16 12:43:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-16 12:43:38,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:38,147 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] [2022-11-16 12:43:38,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:38,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:38,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt [2022-11-16 12:43:38,563 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)] === [2022-11-16 12:43:38,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash -112007323, now seen corresponding path program 1 times [2022-11-16 12:43:38,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:43:38,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517746138] [2022-11-16 12:43:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:38,564 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 [2022-11-16 12:43:38,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:43:38,565 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:43:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:40,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:43:40,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:41,100 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-16 12:43:41,100 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 [2022-11-16 12:43:41,193 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 [2022-11-16 12:43:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:43:41,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:43:41,335 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:43:41,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517746138] [2022-11-16 12:43:41,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517746138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:41,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:41,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:43:41,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026289950] [2022-11-16 12:43:41,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:41,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:43:41,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:43:41,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:43:41,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:43:41,337 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) [2022-11-16 12:43:43,365 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 [] [2022-11-16 12:43:45,376 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 [] [2022-11-16 12:43:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:49,004 INFO L93 Difference]: Finished difference Result 1498 states and 1881 transitions. [2022-11-16 12:43:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:43:49,005 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 [2022-11-16 12:43:49,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:49,008 INFO L225 Difference]: With dead ends: 1498 [2022-11-16 12:43:49,009 INFO L226 Difference]: Without dead ends: 1498 [2022-11-16 12:43:49,009 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 [2022-11-16 12:43:49,009 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 1078 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 59 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 7.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:49,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 2009 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1081 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-16 12:43:49,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-16 12:43:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1321. [2022-11-16 12:43:49,032 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) [2022-11-16 12:43:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1867 transitions. [2022-11-16 12:43:49,037 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1867 transitions. Word has length 89 [2022-11-16 12:43:49,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:49,037 INFO L495 AbstractCegarLoop]: Abstraction has 1321 states and 1867 transitions. [2022-11-16 12:43:49,038 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) [2022-11-16 12:43:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1867 transitions. [2022-11-16 12:43:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-16 12:43:49,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:49,039 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] [2022-11-16 12:43:49,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:49,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:49,255 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)] === [2022-11-16 12:43:49,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:49,255 INFO L85 PathProgramCache]: Analyzing trace with hash -112007322, now seen corresponding path program 1 times [2022-11-16 12:43:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:43:49,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079655029] [2022-11-16 12:43:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:49,257 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 [2022-11-16 12:43:49,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:43:49,259 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:43:49,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:43:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:51,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 12:43:51,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:43:52,491 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 [2022-11-16 12:43:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:43:52,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:53,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:43:53,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079655029] [2022-11-16 12:43:53,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079655029] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:53,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [927750702] [2022-11-16 12:43:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:53,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:43:53,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:43:53,334 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:43:53,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2022-11-16 12:43:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:57,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 12:43:57,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:43:58,059 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 [2022-11-16 12:43:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:43:58,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:43:58,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [927750702] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:43:58,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:43:58,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-11-16 12:43:58,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993843842] [2022-11-16 12:43:58,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:43:58,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:43:58,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:43:58,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:43:58,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:43:58,695 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) [2022-11-16 12:44:00,720 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 [] [2022-11-16 12:44:06,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:06,184 INFO L93 Difference]: Finished difference Result 1565 states and 1893 transitions. [2022-11-16 12:44:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:44:06,185 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 [2022-11-16 12:44:06,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:06,189 INFO L225 Difference]: With dead ends: 1565 [2022-11-16 12:44:06,189 INFO L226 Difference]: Without dead ends: 1565 [2022-11-16 12:44:06,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:44:06,191 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1391 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 87 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s 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, 7.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:06,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1865 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1251 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-16 12:44:06,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-11-16 12:44:06,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1319. [2022-11-16 12:44:06,217 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) [2022-11-16 12:44:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1865 transitions. [2022-11-16 12:44:06,221 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1865 transitions. Word has length 89 [2022-11-16 12:44:06,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:06,221 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 1865 transitions. [2022-11-16 12:44:06,222 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) [2022-11-16 12:44:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1865 transitions. [2022-11-16 12:44:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-16 12:44:06,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:06,223 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] [2022-11-16 12:44:06,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:44:06,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2022-11-16 12:44:06,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt [2022-11-16 12:44:06,647 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)] === [2022-11-16 12:44:06,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903835, now seen corresponding path program 1 times [2022-11-16 12:44:06,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:44:06,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839146535] [2022-11-16 12:44:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:06,649 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 [2022-11-16 12:44:06,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:44:06,652 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:44:06,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:44:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:07,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:44:07,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:44:07,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:44:07,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:44:07,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839146535] [2022-11-16 12:44:07,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839146535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:07,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:07,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:44:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538810813] [2022-11-16 12:44:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:07,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:44:07,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:44:07,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:44:07,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:44:07,915 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) [2022-11-16 12:44:09,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:11,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:15,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:15,395 INFO L93 Difference]: Finished difference Result 1494 states and 1877 transitions. [2022-11-16 12:44:15,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:44:15,396 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 [2022-11-16 12:44:15,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:15,399 INFO L225 Difference]: With dead ends: 1494 [2022-11-16 12:44:15,400 INFO L226 Difference]: Without dead ends: 1494 [2022-11-16 12:44:15,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:44:15,400 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 790 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s 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, 7.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:15,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 2188 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1094 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-16 12:44:15,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-11-16 12:44:15,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1317. [2022-11-16 12:44:15,421 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) [2022-11-16 12:44:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1863 transitions. [2022-11-16 12:44:15,426 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1863 transitions. Word has length 96 [2022-11-16 12:44:15,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:15,426 INFO L495 AbstractCegarLoop]: Abstraction has 1317 states and 1863 transitions. [2022-11-16 12:44:15,427 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) [2022-11-16 12:44:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1863 transitions. [2022-11-16 12:44:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-16 12:44:15,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:15,428 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] [2022-11-16 12:44:15,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:44:15,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:44:15,648 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)] === [2022-11-16 12:44:15,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:15,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903834, now seen corresponding path program 1 times [2022-11-16 12:44:15,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:44:15,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901041770] [2022-11-16 12:44:15,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:15,650 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 [2022-11-16 12:44:15,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:44:15,651 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:44:15,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:44:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:17,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:44:17,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:44:19,255 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 [2022-11-16 12:44:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:44:19,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:44:20,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:44:20,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901041770] [2022-11-16 12:44:20,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901041770] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:44:20,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1706155675] [2022-11-16 12:44:20,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:20,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:44:20,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:44:20,780 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:44:20,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-16 12:44:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:24,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:44:24,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:25,615 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 12:44:25,615 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 [2022-11-16 12:44:25,871 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 [2022-11-16 12:44:26,578 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-16 12:44:26,578 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 [2022-11-16 12:44:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:44:26,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:44:27,298 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 [2022-11-16 12:44:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:44:28,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1706155675] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 12:44:28,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:44:28,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-16 12:44:28,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820335750] [2022-11-16 12:44:28,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:28,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:44:28,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:44:28,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:44:28,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:44:28,643 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) [2022-11-16 12:44:30,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:32,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:44:34,683 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 [] [2022-11-16 12:44:45,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:45,480 INFO L93 Difference]: Finished difference Result 1369 states and 1872 transitions. [2022-11-16 12:44:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:44:45,481 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 [2022-11-16 12:44:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:45,484 INFO L225 Difference]: With dead ends: 1369 [2022-11-16 12:44:45,484 INFO L226 Difference]: Without dead ends: 1369 [2022-11-16 12:44:45,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-16 12:44:45,485 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 347 mSDsluCounter, 2517 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 27 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s 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, 16.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:45,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 3261 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1461 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2022-11-16 12:44:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-11-16 12:44:45,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1316. [2022-11-16 12:44:45,510 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) [2022-11-16 12:44:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1862 transitions. [2022-11-16 12:44:45,514 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1862 transitions. Word has length 96 [2022-11-16 12:44:45,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:45,514 INFO L495 AbstractCegarLoop]: Abstraction has 1316 states and 1862 transitions. [2022-11-16 12:44:45,515 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) [2022-11-16 12:44:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1862 transitions. [2022-11-16 12:44:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-16 12:44:45,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:45,516 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] [2022-11-16 12:44:45,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:45,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:45,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt [2022-11-16 12:44:45,939 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)] === [2022-11-16 12:44:45,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:45,940 INFO L85 PathProgramCache]: Analyzing trace with hash -7475738, now seen corresponding path program 1 times [2022-11-16 12:44:45,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:44:45,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891496896] [2022-11-16 12:44:45,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:45,941 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 [2022-11-16 12:44:45,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:44:45,942 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:44:45,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:44:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:48,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:44:48,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:44:49,930 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 [2022-11-16 12:44:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:44:50,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:44:51,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:44:51,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891496896] [2022-11-16 12:44:51,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891496896] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:44:51,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1076368164] [2022-11-16 12:44:51,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:51,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:44:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:44:51,627 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:44:51,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2022-11-16 12:44:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:55,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 12:44:55,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:56,933 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 12:44:56,934 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 [2022-11-16 12:44:57,182 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 [2022-11-16 12:44:57,981 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-16 12:44:57,981 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 [2022-11-16 12:44:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:44:58,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:44:58,772 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 [2022-11-16 12:45:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:45:00,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1076368164] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 12:45:00,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:45:00,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-16 12:45:00,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532622271] [2022-11-16 12:45:00,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:45:00,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:45:00,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:45:00,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:45:00,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:45:00,031 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) [2022-11-16 12:45:02,055 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 [] [2022-11-16 12:45:04,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:45:06,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:45:08,079 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 [] [2022-11-16 12:45:19,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:45:19,800 INFO L93 Difference]: Finished difference Result 1368 states and 1871 transitions. [2022-11-16 12:45:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:45:19,802 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 [2022-11-16 12:45:19,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:45:19,804 INFO L225 Difference]: With dead ends: 1368 [2022-11-16 12:45:19,804 INFO L226 Difference]: Without dead ends: 1368 [2022-11-16 12:45:19,804 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 [2022-11-16 12:45:19,805 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 231 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s 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, 19.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:45:19,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 3791 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1681 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2022-11-16 12:45:19,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2022-11-16 12:45:19,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1315. [2022-11-16 12:45:19,820 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) [2022-11-16 12:45:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1861 transitions. [2022-11-16 12:45:19,824 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1861 transitions. Word has length 97 [2022-11-16 12:45:19,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:45:19,824 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1861 transitions. [2022-11-16 12:45:19,825 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) [2022-11-16 12:45:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1861 transitions. [2022-11-16 12:45:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-16 12:45:19,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:45:19,826 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] [2022-11-16 12:45:19,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2022-11-16 12:45:20,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:20,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:20,249 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)] === [2022-11-16 12:45:20,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:45:20,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435149, now seen corresponding path program 1 times [2022-11-16 12:45:20,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:45:20,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124951152] [2022-11-16 12:45:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:45:20,251 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 [2022-11-16 12:45:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:45:20,253 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:45:20,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:23,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:45:23,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:45:23,493 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-16 12:45:23,493 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 [2022-11-16 12:45:23,568 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 [2022-11-16 12:45:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:45:23,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:45:23,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:45:23,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124951152] [2022-11-16 12:45:23,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124951152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:45:23,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:45:23,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:45:23,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379405196] [2022-11-16 12:45:23,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:45:23,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:45:23,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:45:23,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:45:23,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:45:23,789 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) [2022-11-16 12:45:25,818 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 [] [2022-11-16 12:45:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:45:28,775 INFO L93 Difference]: Finished difference Result 1472 states and 1855 transitions. [2022-11-16 12:45:28,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:45:28,776 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 [2022-11-16 12:45:28,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:45:28,779 INFO L225 Difference]: With dead ends: 1472 [2022-11-16 12:45:28,779 INFO L226 Difference]: Without dead ends: 1472 [2022-11-16 12:45:28,780 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 [2022-11-16 12:45:28,780 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 [2022-11-16 12:45:28,781 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] [2022-11-16 12:45:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-11-16 12:45:28,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1311. [2022-11-16 12:45:28,804 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) [2022-11-16 12:45:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1841 transitions. [2022-11-16 12:45:28,808 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1841 transitions. Word has length 106 [2022-11-16 12:45:28,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:45:28,809 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1841 transitions. [2022-11-16 12:45:28,809 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) [2022-11-16 12:45:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1841 transitions. [2022-11-16 12:45:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-16 12:45:28,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:45:28,811 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] [2022-11-16 12:45:28,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:45:29,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:29,037 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)] === [2022-11-16 12:45:29,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:45:29,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435150, now seen corresponding path program 1 times [2022-11-16 12:45:29,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:45:29,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280388359] [2022-11-16 12:45:29,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:45:29,038 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 [2022-11-16 12:45:29,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:45:29,039 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:45:29,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:31,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:45:31,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:45:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:45:32,710 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 [2022-11-16 12:45:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:45:33,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:45:34,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:45:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280388359] [2022-11-16 12:45:34,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280388359] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:45:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1118538890] [2022-11-16 12:45:34,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:45:34,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 12:45:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 [2022-11-16 12:45:34,097 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 12:45:34,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2022-11-16 12:45:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:38,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:45:38,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:45:40,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:45:40,125 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 [2022-11-16 12:45:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-16 12:45:40,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:45:41,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1118538890] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:45:41,430 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:45:41,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2022-11-16 12:45:41,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166245459] [2022-11-16 12:45:41,431 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:45:41,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:45:41,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:45:41,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:45:41,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:45:41,432 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) [2022-11-16 12:45:44,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:45:44,240 INFO L93 Difference]: Finished difference Result 1521 states and 2077 transitions. [2022-11-16 12:45:44,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:45:44,241 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 [2022-11-16 12:45:44,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:45:44,245 INFO L225 Difference]: With dead ends: 1521 [2022-11-16 12:45:44,246 INFO L226 Difference]: Without dead ends: 1521 [2022-11-16 12:45:44,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:45:44,246 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 262 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:45:44,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1796 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-16 12:45:44,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-11-16 12:45:44,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1450. [2022-11-16 12:45:44,269 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) [2022-11-16 12:45:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2060 transitions. [2022-11-16 12:45:44,273 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2060 transitions. Word has length 106 [2022-11-16 12:45:44,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:45:44,273 INFO L495 AbstractCegarLoop]: Abstraction has 1450 states and 2060 transitions. [2022-11-16 12:45:44,273 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) [2022-11-16 12:45:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2060 transitions. [2022-11-16 12:45:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-16 12:45:44,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:45:44,275 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] [2022-11-16 12:45:44,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 12:45:44,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2022-11-16 12:45:44,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/cvc4 --incremental --print-success --lang smt [2022-11-16 12:45:44,696 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)] === [2022-11-16 12:45:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:45:44,697 INFO L85 PathProgramCache]: Analyzing trace with hash 541867099, now seen corresponding path program 1 times [2022-11-16 12:45:44,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:45:44,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502600302] [2022-11-16 12:45:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:45:44,698 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 [2022-11-16 12:45:44,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:45:44,699 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:45:44,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:45:47,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:45:47,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:45:47,472 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 [2022-11-16 12:45:47,497 WARN L855 $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 [2022-11-16 12:45:47,507 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 [2022-11-16 12:45:49,567 WARN L855 $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 [2022-11-16 12:45:49,573 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 [2022-11-16 12:45:51,714 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 [2022-11-16 12:45:53,854 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 [2022-11-16 12:45:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-16 12:45:55,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:45:55,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:45:55,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502600302] [2022-11-16 12:45:55,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502600302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:45:55,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:45:55,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:45:55,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686851846] [2022-11-16 12:45:55,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:45:55,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:45:55,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:45:55,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:45:55,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-16 12:45:55,961 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) [2022-11-16 12:45:57,991 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 [] [2022-11-16 12:45:58,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:45:58,879 INFO L93 Difference]: Finished difference Result 1459 states and 2066 transitions. [2022-11-16 12:45:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:45:58,880 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 [2022-11-16 12:45:58,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:45:58,884 INFO L225 Difference]: With dead ends: 1459 [2022-11-16 12:45:58,884 INFO L226 Difference]: Without dead ends: 1457 [2022-11-16 12:45:58,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-16 12:45:58,886 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 2 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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 [2022-11-16 12:45:58,886 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] [2022-11-16 12:45:58,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2022-11-16 12:45:58,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1457. [2022-11-16 12:45:58,910 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) [2022-11-16 12:45:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2064 transitions. [2022-11-16 12:45:58,913 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2064 transitions. Word has length 121 [2022-11-16 12:45:58,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:45:58,914 INFO L495 AbstractCegarLoop]: Abstraction has 1457 states and 2064 transitions. [2022-11-16 12:45:58,914 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) [2022-11-16 12:45:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2064 transitions. [2022-11-16 12:45:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 12:45:58,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:45:58,916 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] [2022-11-16 12:45:58,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:59,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:45:59,139 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)] === [2022-11-16 12:45:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:45:59,140 INFO L85 PathProgramCache]: Analyzing trace with hash 968394777, now seen corresponding path program 1 times [2022-11-16 12:45:59,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:45:59,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365751497] [2022-11-16 12:45:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:45:59,141 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 [2022-11-16 12:45:59,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:45:59,143 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:45:59,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:00,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:46:00,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-16 12:46:00,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:00,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:46:00,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365751497] [2022-11-16 12:46:00,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365751497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:00,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:00,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-16 12:46:00,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555371333] [2022-11-16 12:46:00,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:00,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 12:46:00,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:46:00,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 12:46:00,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:46:00,827 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) [2022-11-16 12:46:01,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:01,295 INFO L93 Difference]: Finished difference Result 1326 states and 1853 transitions. [2022-11-16 12:46:01,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:46:01,296 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 [2022-11-16 12:46:01,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:01,300 INFO L225 Difference]: With dead ends: 1326 [2022-11-16 12:46:01,300 INFO L226 Difference]: Without dead ends: 1311 [2022-11-16 12:46:01,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:46:01,301 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 28 mSDsluCounter, 7370 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-11-16 12:46:01,302 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] [2022-11-16 12:46:01,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2022-11-16 12:46:01,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1311. [2022-11-16 12:46:01,322 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) [2022-11-16 12:46:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1838 transitions. [2022-11-16 12:46:01,326 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1838 transitions. Word has length 128 [2022-11-16 12:46:01,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:01,326 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1838 transitions. [2022-11-16 12:46:01,326 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) [2022-11-16 12:46:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1838 transitions. [2022-11-16 12:46:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-16 12:46:01,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:01,328 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] [2022-11-16 12:46:01,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:01,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:01,543 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)] === [2022-11-16 12:46:01,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:01,544 INFO L85 PathProgramCache]: Analyzing trace with hash 101747144, now seen corresponding path program 1 times [2022-11-16 12:46:01,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:46:01,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936486707] [2022-11-16 12:46:01,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:01,545 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 [2022-11-16 12:46:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:46:01,548 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:46:01,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:03,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:46:03,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:46:03,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:03,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:46:03,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936486707] [2022-11-16 12:46:03,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936486707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:03,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:03,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:46:03,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820676067] [2022-11-16 12:46:03,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:03,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:46:03,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:46:03,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:46:03,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:46:03,351 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) [2022-11-16 12:46:03,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:03,521 INFO L93 Difference]: Finished difference Result 1713 states and 2477 transitions. [2022-11-16 12:46:03,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:46:03,522 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 [2022-11-16 12:46:03,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:03,526 INFO L225 Difference]: With dead ends: 1713 [2022-11-16 12:46:03,526 INFO L226 Difference]: Without dead ends: 1713 [2022-11-16 12:46:03,527 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 [2022-11-16 12:46:03,527 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 [2022-11-16 12:46:03,527 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] [2022-11-16 12:46:03,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-11-16 12:46:03,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1174. [2022-11-16 12:46:03,564 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) [2022-11-16 12:46:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1620 transitions. [2022-11-16 12:46:03,567 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1620 transitions. Word has length 127 [2022-11-16 12:46:03,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:03,568 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1620 transitions. [2022-11-16 12:46:03,568 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) [2022-11-16 12:46:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1620 transitions. [2022-11-16 12:46:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-16 12:46:03,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:03,569 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] [2022-11-16 12:46:03,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:03,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:03,783 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)] === [2022-11-16 12:46:03,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:03,783 INFO L85 PathProgramCache]: Analyzing trace with hash 514360856, now seen corresponding path program 1 times [2022-11-16 12:46:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:46:03,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576860638] [2022-11-16 12:46:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:03,785 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 [2022-11-16 12:46:03,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:46:03,786 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:46:03,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:05,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:46:05,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-16 12:46:05,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:05,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:46:05,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576860638] [2022-11-16 12:46:05,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576860638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:05,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:05,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:46:05,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911369493] [2022-11-16 12:46:05,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:05,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:46:05,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:46:05,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:46:05,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:46:05,275 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) [2022-11-16 12:46:05,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:05,296 INFO L93 Difference]: Finished difference Result 1172 states and 1616 transitions. [2022-11-16 12:46:05,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:46:05,297 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 [2022-11-16 12:46:05,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:05,300 INFO L225 Difference]: With dead ends: 1172 [2022-11-16 12:46:05,300 INFO L226 Difference]: Without dead ends: 1172 [2022-11-16 12:46:05,300 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 [2022-11-16 12:46:05,301 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 [2022-11-16 12:46:05,301 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] [2022-11-16 12:46:05,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-11-16 12:46:05,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2022-11-16 12:46:05,332 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) [2022-11-16 12:46:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1616 transitions. [2022-11-16 12:46:05,335 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1616 transitions. Word has length 137 [2022-11-16 12:46:05,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:05,336 INFO L495 AbstractCegarLoop]: Abstraction has 1172 states and 1616 transitions. [2022-11-16 12:46:05,336 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) [2022-11-16 12:46:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1616 transitions. [2022-11-16 12:46:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-16 12:46:05,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:05,337 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] [2022-11-16 12:46:05,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:05,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:05,551 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)] === [2022-11-16 12:46:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,551 INFO L85 PathProgramCache]: Analyzing trace with hash -910021418, now seen corresponding path program 1 times [2022-11-16 12:46:05,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:46:05,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507651618] [2022-11-16 12:46:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,553 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 [2022-11-16 12:46:05,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:46:05,555 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:46:05,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:09,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:46:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:46:12,979 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 12:46:12,980 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:46:12,981 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK (204 of 205 remaining) [2022-11-16 12:46:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (203 of 205 remaining) [2022-11-16 12:46:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (202 of 205 remaining) [2022-11-16 12:46:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (201 of 205 remaining) [2022-11-16 12:46:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (200 of 205 remaining) [2022-11-16 12:46:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (199 of 205 remaining) [2022-11-16 12:46:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (198 of 205 remaining) [2022-11-16 12:46:12,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (197 of 205 remaining) [2022-11-16 12:46:12,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (196 of 205 remaining) [2022-11-16 12:46:12,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (195 of 205 remaining) [2022-11-16 12:46:12,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (194 of 205 remaining) [2022-11-16 12:46:12,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (193 of 205 remaining) [2022-11-16 12:46:12,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (192 of 205 remaining) [2022-11-16 12:46:12,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (191 of 205 remaining) [2022-11-16 12:46:12,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (190 of 205 remaining) [2022-11-16 12:46:12,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (189 of 205 remaining) [2022-11-16 12:46:12,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (188 of 205 remaining) [2022-11-16 12:46:12,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (187 of 205 remaining) [2022-11-16 12:46:12,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (186 of 205 remaining) [2022-11-16 12:46:12,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (185 of 205 remaining) [2022-11-16 12:46:12,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (184 of 205 remaining) [2022-11-16 12:46:12,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (183 of 205 remaining) [2022-11-16 12:46:12,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (182 of 205 remaining) [2022-11-16 12:46:12,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (181 of 205 remaining) [2022-11-16 12:46:12,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (180 of 205 remaining) [2022-11-16 12:46:12,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (179 of 205 remaining) [2022-11-16 12:46:12,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (178 of 205 remaining) [2022-11-16 12:46:12,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (177 of 205 remaining) [2022-11-16 12:46:12,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (176 of 205 remaining) [2022-11-16 12:46:12,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (175 of 205 remaining) [2022-11-16 12:46:12,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (174 of 205 remaining) [2022-11-16 12:46:12,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (173 of 205 remaining) [2022-11-16 12:46:12,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (172 of 205 remaining) [2022-11-16 12:46:12,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (171 of 205 remaining) [2022-11-16 12:46:12,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (170 of 205 remaining) [2022-11-16 12:46:12,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (169 of 205 remaining) [2022-11-16 12:46:12,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (168 of 205 remaining) [2022-11-16 12:46:12,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (167 of 205 remaining) [2022-11-16 12:46:12,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (166 of 205 remaining) [2022-11-16 12:46:12,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (165 of 205 remaining) [2022-11-16 12:46:12,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (164 of 205 remaining) [2022-11-16 12:46:12,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (163 of 205 remaining) [2022-11-16 12:46:12,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (162 of 205 remaining) [2022-11-16 12:46:12,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (161 of 205 remaining) [2022-11-16 12:46:12,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (160 of 205 remaining) [2022-11-16 12:46:12,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (159 of 205 remaining) [2022-11-16 12:46:12,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (158 of 205 remaining) [2022-11-16 12:46:12,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (157 of 205 remaining) [2022-11-16 12:46:12,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (156 of 205 remaining) [2022-11-16 12:46:12,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (155 of 205 remaining) [2022-11-16 12:46:12,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (154 of 205 remaining) [2022-11-16 12:46:12,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (153 of 205 remaining) [2022-11-16 12:46:12,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (152 of 205 remaining) [2022-11-16 12:46:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (151 of 205 remaining) [2022-11-16 12:46:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (150 of 205 remaining) [2022-11-16 12:46:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (149 of 205 remaining) [2022-11-16 12:46:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (148 of 205 remaining) [2022-11-16 12:46:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (147 of 205 remaining) [2022-11-16 12:46:12,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (146 of 205 remaining) [2022-11-16 12:46:12,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (145 of 205 remaining) [2022-11-16 12:46:12,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 205 remaining) [2022-11-16 12:46:12,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 205 remaining) [2022-11-16 12:46:12,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (142 of 205 remaining) [2022-11-16 12:46:12,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (141 of 205 remaining) [2022-11-16 12:46:12,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 205 remaining) [2022-11-16 12:46:12,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 205 remaining) [2022-11-16 12:46:12,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (138 of 205 remaining) [2022-11-16 12:46:12,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (137 of 205 remaining) [2022-11-16 12:46:12,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (136 of 205 remaining) [2022-11-16 12:46:12,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 205 remaining) [2022-11-16 12:46:12,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (134 of 205 remaining) [2022-11-16 12:46:12,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 205 remaining) [2022-11-16 12:46:12,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 205 remaining) [2022-11-16 12:46:12,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 205 remaining) [2022-11-16 12:46:12,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 205 remaining) [2022-11-16 12:46:12,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 205 remaining) [2022-11-16 12:46:12,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 205 remaining) [2022-11-16 12:46:13,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (127 of 205 remaining) [2022-11-16 12:46:13,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 205 remaining) [2022-11-16 12:46:13,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 205 remaining) [2022-11-16 12:46:13,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (124 of 205 remaining) [2022-11-16 12:46:13,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 205 remaining) [2022-11-16 12:46:13,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 205 remaining) [2022-11-16 12:46:13,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 205 remaining) [2022-11-16 12:46:13,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 205 remaining) [2022-11-16 12:46:13,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 205 remaining) [2022-11-16 12:46:13,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 205 remaining) [2022-11-16 12:46:13,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 205 remaining) [2022-11-16 12:46:13,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 205 remaining) [2022-11-16 12:46:13,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 205 remaining) [2022-11-16 12:46:13,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 205 remaining) [2022-11-16 12:46:13,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 205 remaining) [2022-11-16 12:46:13,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 205 remaining) [2022-11-16 12:46:13,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 205 remaining) [2022-11-16 12:46:13,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 205 remaining) [2022-11-16 12:46:13,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 205 remaining) [2022-11-16 12:46:13,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 205 remaining) [2022-11-16 12:46:13,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 205 remaining) [2022-11-16 12:46:13,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 205 remaining) [2022-11-16 12:46:13,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 205 remaining) [2022-11-16 12:46:13,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 205 remaining) [2022-11-16 12:46:13,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 205 remaining) [2022-11-16 12:46:13,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 205 remaining) [2022-11-16 12:46:13,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 205 remaining) [2022-11-16 12:46:13,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 205 remaining) [2022-11-16 12:46:13,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 205 remaining) [2022-11-16 12:46:13,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 205 remaining) [2022-11-16 12:46:13,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 205 remaining) [2022-11-16 12:46:13,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 205 remaining) [2022-11-16 12:46:13,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 205 remaining) [2022-11-16 12:46:13,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 205 remaining) [2022-11-16 12:46:13,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 205 remaining) [2022-11-16 12:46:13,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 205 remaining) [2022-11-16 12:46:13,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 205 remaining) [2022-11-16 12:46:13,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 205 remaining) [2022-11-16 12:46:13,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 205 remaining) [2022-11-16 12:46:13,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 205 remaining) [2022-11-16 12:46:13,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 205 remaining) [2022-11-16 12:46:13,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 205 remaining) [2022-11-16 12:46:13,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 205 remaining) [2022-11-16 12:46:13,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 205 remaining) [2022-11-16 12:46:13,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 205 remaining) [2022-11-16 12:46:13,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 205 remaining) [2022-11-16 12:46:13,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 205 remaining) [2022-11-16 12:46:13,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 205 remaining) [2022-11-16 12:46:13,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 205 remaining) [2022-11-16 12:46:13,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 205 remaining) [2022-11-16 12:46:13,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 205 remaining) [2022-11-16 12:46:13,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 205 remaining) [2022-11-16 12:46:13,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 205 remaining) [2022-11-16 12:46:13,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 205 remaining) [2022-11-16 12:46:13,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 205 remaining) [2022-11-16 12:46:13,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 205 remaining) [2022-11-16 12:46:13,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 205 remaining) [2022-11-16 12:46:13,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 205 remaining) [2022-11-16 12:46:13,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 205 remaining) [2022-11-16 12:46:13,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 205 remaining) [2022-11-16 12:46:13,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 205 remaining) [2022-11-16 12:46:13,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 205 remaining) [2022-11-16 12:46:13,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 205 remaining) [2022-11-16 12:46:13,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 205 remaining) [2022-11-16 12:46:13,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 205 remaining) [2022-11-16 12:46:13,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 205 remaining) [2022-11-16 12:46:13,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 205 remaining) [2022-11-16 12:46:13,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 205 remaining) [2022-11-16 12:46:13,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 205 remaining) [2022-11-16 12:46:13,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 205 remaining) [2022-11-16 12:46:13,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 205 remaining) [2022-11-16 12:46:13,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 205 remaining) [2022-11-16 12:46:13,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 205 remaining) [2022-11-16 12:46:13,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 205 remaining) [2022-11-16 12:46:13,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 205 remaining) [2022-11-16 12:46:13,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 205 remaining) [2022-11-16 12:46:13,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 205 remaining) [2022-11-16 12:46:13,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 205 remaining) [2022-11-16 12:46:13,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 205 remaining) [2022-11-16 12:46:13,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 205 remaining) [2022-11-16 12:46:13,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 205 remaining) [2022-11-16 12:46:13,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 205 remaining) [2022-11-16 12:46:13,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr137REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 205 remaining) [2022-11-16 12:46:13,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr138REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 205 remaining) [2022-11-16 12:46:13,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr139REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 205 remaining) [2022-11-16 12:46:13,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr140REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 205 remaining) [2022-11-16 12:46:13,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr141REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 205 remaining) [2022-11-16 12:46:13,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr142REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 205 remaining) [2022-11-16 12:46:13,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr143REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 205 remaining) [2022-11-16 12:46:13,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr144REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 205 remaining) [2022-11-16 12:46:13,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr145REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 205 remaining) [2022-11-16 12:46:13,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr146REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 205 remaining) [2022-11-16 12:46:13,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr147REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 205 remaining) [2022-11-16 12:46:13,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr148REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 205 remaining) [2022-11-16 12:46:13,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr149REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 205 remaining) [2022-11-16 12:46:13,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr150REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 205 remaining) [2022-11-16 12:46:13,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr151REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr152REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr153REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr154REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr155REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr156REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr158REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 205 remaining) [2022-11-16 12:46:13,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr159REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 205 remaining) [2022-11-16 12:46:13,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr160REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 205 remaining) [2022-11-16 12:46:13,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 205 remaining) [2022-11-16 12:46:13,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 205 remaining) [2022-11-16 12:46:13,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr163REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 205 remaining) [2022-11-16 12:46:13,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 205 remaining) [2022-11-16 12:46:13,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 205 remaining) [2022-11-16 12:46:13,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 205 remaining) [2022-11-16 12:46:13,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 205 remaining) [2022-11-16 12:46:13,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 205 remaining) [2022-11-16 12:46:13,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 205 remaining) [2022-11-16 12:46:13,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 205 remaining) [2022-11-16 12:46:13,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 205 remaining) [2022-11-16 12:46:13,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 205 remaining) [2022-11-16 12:46:13,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 205 remaining) [2022-11-16 12:46:13,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 205 remaining) [2022-11-16 12:46:13,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 205 remaining) [2022-11-16 12:46:13,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:13,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:46:13,227 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] [2022-11-16 12:46:13,232 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:46:13,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:46:13 BoogieIcfgContainer [2022-11-16 12:46:13,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:46:13,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:46:13,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:46:13,473 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:46:13,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:08" (3/4) ... [2022-11-16 12:46:13,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:46:13,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:46:13,478 INFO L158 Benchmark]: Toolchain (without parser) took 435323.05ms. Allocated memory was 69.2MB in the beginning and 249.6MB in the end (delta: 180.4MB). Free memory was 45.5MB in the beginning and 59.2MB in the end (delta: -13.7MB). Peak memory consumption was 166.0MB. Max. memory is 16.1GB. [2022-11-16 12:46:13,478 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:13,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2793.98ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 45.3MB in the beginning and 52.2MB in the end (delta: -6.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2022-11-16 12:46:13,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.21ms. Allocated memory is still 98.6MB. Free memory was 52.2MB in the beginning and 43.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:46:13,479 INFO L158 Benchmark]: Boogie Preprocessor took 196.67ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 43.8MB in the beginning and 94.5MB in the end (delta: -50.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-16 12:46:13,479 INFO L158 Benchmark]: RCFGBuilder took 7272.17ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 94.5MB in the beginning and 125.1MB in the end (delta: -30.6MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2022-11-16 12:46:13,480 INFO L158 Benchmark]: TraceAbstraction took 424890.40ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 125.1MB in the beginning and 60.2MB in the end (delta: 64.9MB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB. [2022-11-16 12:46:13,480 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 249.6MB. Free memory was 60.2MB in the beginning and 59.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:13,481 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 69.2MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2793.98ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 45.3MB in the beginning and 52.2MB in the end (delta: -6.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.21ms. Allocated memory is still 98.6MB. Free memory was 52.2MB in the beginning and 43.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 196.67ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 43.8MB in the beginning and 94.5MB in the end (delta: -50.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7272.17ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 94.5MB in the beginning and 125.1MB in the end (delta: -30.6MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * TraceAbstraction took 424890.40ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 125.1MB in the beginning and 60.2MB in the end (delta: 64.9MB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 249.6MB. Free memory was 60.2MB in the beginning and 59.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1848]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of large string literal at line 1803, overapproximation of memtrack at line 1848. Possible FailurePath: [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 [={-1:8}, ={0:0}, ={-1:7}, ={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}, ={-1:8}, ={-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}, 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 [={-1:8}, ={-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}, 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}, ={-1:7}, ={-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}] [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}, ={-1:8}, ={-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] 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=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}, ={-1:7}, ={-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] 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=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}, ={-1:7}, ={-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}] [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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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=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}, ={-1:8}, ={-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=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}, ={-1:7}, ={-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] COND TRUE i < 10 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=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}, ={-1:8}, ={-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] 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=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 [={-1:7}, ={-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=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 [={-1:8}, ={-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}] [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}, ={-1:7}, ={-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}] [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=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}, ={-1:8}, ={-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=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 [={-1:8}, ={-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}] [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=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 [={-1:8}, ={-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] 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=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}, ={-1:8}, ={-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=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}, ={-1:7}, ={-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=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 [={-1:8}, ={-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=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}, ={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:8}, ={-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=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}, ={-1:8}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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=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 [={-1:7}, ={-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}] [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 [={-1:8}, ={-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={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 [={-1:8}, ={-1:7}, ={-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 [={-1:8}, ={-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, 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 [={-1:8}, ={-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}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-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 [={-1:7}, ={-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_readw(0x02)=-32768, zf_timer={37:0}] [L1780] ret = zf_readw(0x02) [L1781] COND FALSE !((!ret) || (ret == 0xffff)) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={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}, ={-1:7}, ={-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}] [L1791] CALL zf_show_action(action) [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={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 [={-1:7}, ={-1:8}, ={-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 [={-1:7}, ={-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}, 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}, ={-1:7}, ={-1:8}, ={-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={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 [={-1:7}, ={-1:8}, ={-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, 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 [={-1:7}, ={-1:8}, ={-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 [={-1:8}, ={-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}, 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}, ={-1:7}, ={-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={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 [={-1:8}, ={-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={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 [={-1:8}, ={-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}] [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 [={-1:8}, ={-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}] [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}, ={-1:7}, ={-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}, 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 [={-1:8}, ={-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}, 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 [={-1:7}, ={-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}, 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 [={-1:7}, ={-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}, 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 [={-1:7}, ={-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}] [L3500] fixed_cdev[i].ops = misc->fops 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->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}, ={-1:7}, ={-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}, 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 [={-1:7}, ={-1:8}, ={-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}, 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 [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \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}, ={-1:8}, ={-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}] [L3853] COND TRUE return_value == 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={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}, ={-1:7}, ={-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}] [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}, ={-1:7}, ={-1:8}, ={-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}] [L3858] cdev_registered[number_cdev_registered].inode.i_cdev = p VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-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 [={-1:7}, ={-1:8}, ={-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}] [L3861] number_cdev_registered++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-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=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 [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \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}, ={-1:8}, ={-1:7}, 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 [={-1:8}, ={-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}, 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}, ={-1:8}, ={-1:7}, ={-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 [={-1:8}, ={-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}, 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 [={-1:8}, ={-1:7}, ={-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 [={-1:7}, ={-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, 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 [={-1:8}, ={-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}, 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}, ={-1:8}, ={-1:7}, \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 [={-1:8}, ={-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, 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 [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \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 [={-1:8}, ={-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}, 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}, ={-1:7}, ={-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}, 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 [={-1:8}, ={-1:7}, ={-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}, ={-1:7}, ={-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}, 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}, ={-1:7}, ={-1:8}, ={-1:8}, \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 [={-1:7}, ={-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=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: 424.6s, OverallIterations: 34, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 267.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 23442 SdHoareTripleChecker+Valid, 259.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23274 mSDsluCounter, 97746 SdHoareTripleChecker+Invalid, 242.2s 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, 0.7s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3769 GetRequests, 3499 SyntacticMatches, 12 SemanticMatches, 258 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 30.1s 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: 1.2s AutomataMinimizationTime, 33 MinimizatonAttempts, 4034 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.5s SsaConstructionTime, 50.9s SatisfiabilityAnalysisTime, 67.0s 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 [2022-11-16 12:46:13,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc3c067-53d0-49b1-b48e-96492254c4e2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample