./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:37:00,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:37:00,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:37:00,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:37:00,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:37:00,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:37:00,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:37:00,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:37:00,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:37:00,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:37:00,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:37:00,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:37:00,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:37:00,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:37:00,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:37:00,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:37:00,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:37:00,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:37:00,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:37:00,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:37:00,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:37:00,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:37:00,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:37:00,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:37:00,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:37:00,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:37:00,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:37:00,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:37:00,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:37:00,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:37:00,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:37:00,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:37:00,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:37:00,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:37:00,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:37:00,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:37:00,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:37:00,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:37:00,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:37:00,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:37:00,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:37:00,651 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:37:00,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:37:00,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:37:00,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:37:00,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:37:00,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:37:00,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:37:00,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:37:00,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:37:00,703 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:37:00,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:37:00,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:37:00,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:37:00,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:37:00,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:37:00,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:37:00,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:37:00,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:37:00,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:37:00,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:37:00,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:37:00,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:37:00,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:37:00,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:37:00,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:37:00,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:37:00,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:37:00,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:37:00,712 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:37:00,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:37:00,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:37:00,713 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_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-11-18 20:37:01,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:37:01,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:37:01,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:37:01,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:37:01,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:37:01,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-18 20:37:01,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/6aa0df0a4/d184e3a6a5f44dda88b5e7c64d7737c8/FLAGc73182d37 [2022-11-18 20:37:02,497 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:37:02,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-18 20:37:02,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/6aa0df0a4/d184e3a6a5f44dda88b5e7c64d7737c8/FLAGc73182d37 [2022-11-18 20:37:02,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/6aa0df0a4/d184e3a6a5f44dda88b5e7c64d7737c8 [2022-11-18 20:37:02,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:37:02,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:37:02,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:37:02,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:37:02,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:37:02,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:37:02" (1/1) ... [2022-11-18 20:37:02,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6338f68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:02, skipping insertion in model container [2022-11-18 20:37:02,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:37:02" (1/1) ... [2022-11-18 20:37:02,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:37:02,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:37:06,647 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-18 20:37:06,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:37:06,927 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:37:07,646 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-18 20:37:07,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:37:07,836 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:37:07,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07 WrapperNode [2022-11-18 20:37:07,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:37:07,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:37:07,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:37:07,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:37:07,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:08,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:08,363 INFO L138 Inliner]: procedures = 415, calls = 3379, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7191 [2022-11-18 20:37:08,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:37:08,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:37:08,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:37:08,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:37:08,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:08,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:08,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:08,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:08,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:08,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:09,001 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:09,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:09,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:37:09,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:37:09,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:37:09,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:37:09,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (1/1) ... [2022-11-18 20:37:09,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:37:09,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:09,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:09,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:37:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-11-18 20:37:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-11-18 20:37:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-11-18 20:37:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-11-18 20:37:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:37:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:37:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 20:37:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 20:37:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:37:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:37:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:37:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:37:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-18 20:37:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-18 20:37:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:37:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:37:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-11-18 20:37:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-11-18 20:37:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-18 20:37:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-18 20:37:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-18 20:37:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-18 20:37:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-11-18 20:37:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-11-18 20:37:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 20:37:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-18 20:37:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-18 20:37:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-11-18 20:37:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-11-18 20:37:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-18 20:37:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-18 20:37:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-11-18 20:37:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-11-18 20:37:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:37:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:37:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-11-18 20:37:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-11-18 20:37:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:37:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:37:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:37:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:37:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:37:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-11-18 20:37:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-11-18 20:37:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-11-18 20:37:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-11-18 20:37:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-11-18 20:37:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-11-18 20:37:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:37:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:37:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 20:37:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 20:37:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:37:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:37:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:37:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:37:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-11-18 20:37:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-11-18 20:37:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:37:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:37:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:37:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-11-18 20:37:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-11-18 20:37:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-11-18 20:37:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-11-18 20:37:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:37:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:37:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-11-18 20:37:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-11-18 20:37:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-18 20:37:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-18 20:37:09,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:37:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:37:09,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:37:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:37:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-18 20:37:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-18 20:37:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-11-18 20:37:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-11-18 20:37:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-18 20:37:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-18 20:37:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-11-18 20:37:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-11-18 20:37:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:37:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 20:37:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 20:37:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:37:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-18 20:37:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-18 20:37:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:37:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:37:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:37:09,250 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:37:09,250 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-11-18 20:37:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-11-18 20:37:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-11-18 20:37:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-11-18 20:37:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-18 20:37:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-18 20:37:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 20:37:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 20:37:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-11-18 20:37:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-11-18 20:37:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:37:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:37:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-18 20:37:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-18 20:37:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-11-18 20:37:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-11-18 20:37:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:37:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:37:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-18 20:37:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-18 20:37:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 20:37:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 20:37:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:37:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:37:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-11-18 20:37:09,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-11-18 20:37:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:37:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:37:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:37:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:37:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 20:37:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 20:37:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-18 20:37:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-18 20:37:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-11-18 20:37:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-11-18 20:37:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-11-18 20:37:09,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-11-18 20:37:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-18 20:37:09,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-18 20:37:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-11-18 20:37:09,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-11-18 20:37:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-11-18 20:37:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-11-18 20:37:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-11-18 20:37:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-11-18 20:37:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-11-18 20:37:09,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-11-18 20:37:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:37:09,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:37:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-18 20:37:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-18 20:37:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-18 20:37:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-18 20:37:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:37:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:37:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:37:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:37:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-18 20:37:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-18 20:37:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-11-18 20:37:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-11-18 20:37:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-11-18 20:37:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-11-18 20:37:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:37:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:37:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 20:37:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 20:37:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 20:37:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 20:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 20:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 20:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-11-18 20:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-11-18 20:37:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:37:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:37:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-11-18 20:37:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-11-18 20:37:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 20:37:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 20:37:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 20:37:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 20:37:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:37:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-11-18 20:37:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-11-18 20:37:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:37:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-11-18 20:37:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-11-18 20:37:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-11-18 20:37:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-11-18 20:37:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-11-18 20:37:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-11-18 20:37:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-11-18 20:37:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-11-18 20:37:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-11-18 20:37:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-11-18 20:37:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:37:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 20:37:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 20:37:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:37:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:37:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-18 20:37:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-18 20:37:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-11-18 20:37:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-11-18 20:37:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-18 20:37:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-18 20:37:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-11-18 20:37:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-11-18 20:37:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-11-18 20:37:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-11-18 20:37:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-11-18 20:37:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-11-18 20:37:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-11-18 20:37:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-11-18 20:37:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-18 20:37:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-18 20:37:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 20:37:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 20:37:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-11-18 20:37:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-11-18 20:37:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-18 20:37:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-18 20:37:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 20:37:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 20:37:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-11-18 20:37:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-11-18 20:37:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-11-18 20:37:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-11-18 20:37:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-11-18 20:37:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-11-18 20:37:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-11-18 20:37:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-11-18 20:37:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:37:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:37:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-18 20:37:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-18 20:37:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:37:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:37:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:37:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-18 20:37:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-18 20:37:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-11-18 20:37:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-11-18 20:37:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-18 20:37:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-18 20:37:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-18 20:37:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-18 20:37:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-11-18 20:37:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-11-18 20:37:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-18 20:37:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-18 20:37:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-11-18 20:37:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-11-18 20:37:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-18 20:37:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-18 20:37:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-11-18 20:37:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-11-18 20:37:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-11-18 20:37:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-11-18 20:37:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-18 20:37:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-18 20:37:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-18 20:37:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-18 20:37:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 20:37:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 20:37:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-11-18 20:37:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-11-18 20:37:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-11-18 20:37:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-11-18 20:37:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:37:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:37:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-11-18 20:37:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-11-18 20:37:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-18 20:37:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-18 20:37:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:37:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-11-18 20:37:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-11-18 20:37:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-11-18 20:37:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-11-18 20:37:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-11-18 20:37:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-11-18 20:37:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 20:37:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 20:37:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-18 20:37:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-18 20:37:10,743 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:37:10,752 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:37:29,667 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:37:29,689 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:37:29,690 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:37:29,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:29 BoogieIcfgContainer [2022-11-18 20:37:29,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:37:29,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:37:29,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:37:29,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:37:29,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:37:02" (1/3) ... [2022-11-18 20:37:29,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282c5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:37:29, skipping insertion in model container [2022-11-18 20:37:29,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:07" (2/3) ... [2022-11-18 20:37:29,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282c5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:37:29, skipping insertion in model container [2022-11-18 20:37:29,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:29" (3/3) ... [2022-11-18 20:37:29,710 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-18 20:37:29,738 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:37:29,739 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:37:29,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:37:29,903 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@38bbf55e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:37:29,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:37:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 2510 states, 1768 states have (on average 1.3665158371040724) internal successors, (2416), 1831 states have internal predecessors, (2416), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-11-18 20:37:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 20:37:29,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:29,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:29,933 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:29,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:29,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1213236629, now seen corresponding path program 1 times [2022-11-18 20:37:29,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:29,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164418801] [2022-11-18 20:37:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:30,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:30,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164418801] [2022-11-18 20:37:30,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164418801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:30,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:30,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:37:30,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627401291] [2022-11-18 20:37:30,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:30,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:37:30,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:30,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:37:30,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:30,779 INFO L87 Difference]: Start difference. First operand has 2510 states, 1768 states have (on average 1.3665158371040724) internal successors, (2416), 1831 states have internal predecessors, (2416), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:31,259 INFO L93 Difference]: Finished difference Result 5014 states and 7437 transitions. [2022-11-18 20:37:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:37:31,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2022-11-18 20:37:31,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:31,317 INFO L225 Difference]: With dead ends: 5014 [2022-11-18 20:37:31,317 INFO L226 Difference]: Without dead ends: 2490 [2022-11-18 20:37:31,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:31,350 INFO L413 NwaCegarLoop]: 3618 mSDtfsCounter, 3613 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3613 SdHoareTripleChecker+Valid, 3618 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:31,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3613 Valid, 3618 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:37:31,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2022-11-18 20:37:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2490. [2022-11-18 20:37:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 1751 states have (on average 1.3586521987435751) internal successors, (2379), 1811 states have internal predecessors, (2379), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2022-11-18 20:37:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 3589 transitions. [2022-11-18 20:37:31,664 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 3589 transitions. Word has length 9 [2022-11-18 20:37:31,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:31,664 INFO L495 AbstractCegarLoop]: Abstraction has 2490 states and 3589 transitions. [2022-11-18 20:37:31,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:31,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 3589 transitions. [2022-11-18 20:37:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 20:37:31,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:31,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:31,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:37:31,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:31,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:31,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1043208810, now seen corresponding path program 1 times [2022-11-18 20:37:31,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:31,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396513172] [2022-11-18 20:37:31,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:31,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:31,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:31,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396513172] [2022-11-18 20:37:31,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396513172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:31,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:31,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:37:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821562285] [2022-11-18 20:37:31,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:31,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:37:31,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:31,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:37:31,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:31,955 INFO L87 Difference]: Start difference. First operand 2490 states and 3589 transitions. Second operand has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:32,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:32,517 INFO L93 Difference]: Finished difference Result 7386 states and 10997 transitions. [2022-11-18 20:37:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:37:32,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-18 20:37:32,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:32,563 INFO L225 Difference]: With dead ends: 7386 [2022-11-18 20:37:32,563 INFO L226 Difference]: Without dead ends: 4899 [2022-11-18 20:37:32,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:32,593 INFO L413 NwaCegarLoop]: 4666 mSDtfsCounter, 3580 mSDsluCounter, 3642 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3580 SdHoareTripleChecker+Valid, 8308 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:32,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3580 Valid, 8308 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:37:32,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2022-11-18 20:37:33,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4896. [2022-11-18 20:37:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4896 states, 3448 states have (on average 1.3581786542923433) internal successors, (4683), 3561 states have internal predecessors, (4683), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:37:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4896 states to 4896 states and 7237 transitions. [2022-11-18 20:37:33,062 INFO L78 Accepts]: Start accepts. Automaton has 4896 states and 7237 transitions. Word has length 10 [2022-11-18 20:37:33,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:33,063 INFO L495 AbstractCegarLoop]: Abstraction has 4896 states and 7237 transitions. [2022-11-18 20:37:33,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 4896 states and 7237 transitions. [2022-11-18 20:37:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:37:33,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:33,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:33,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:37:33,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:33,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:33,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2021421746, now seen corresponding path program 1 times [2022-11-18 20:37:33,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:33,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065347621] [2022-11-18 20:37:33,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:33,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:33,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:33,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065347621] [2022-11-18 20:37:33,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065347621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:33,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:33,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:37:33,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531717054] [2022-11-18 20:37:33,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:33,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:37:33,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:33,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:37:33,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:33,407 INFO L87 Difference]: Start difference. First operand 4896 states and 7237 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:33,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:33,711 INFO L93 Difference]: Finished difference Result 4898 states and 7238 transitions. [2022-11-18 20:37:33,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:37:33,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 11 [2022-11-18 20:37:33,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:33,759 INFO L225 Difference]: With dead ends: 4898 [2022-11-18 20:37:33,759 INFO L226 Difference]: Without dead ends: 4895 [2022-11-18 20:37:33,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:33,774 INFO L413 NwaCegarLoop]: 3586 mSDtfsCounter, 3579 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3579 SdHoareTripleChecker+Valid, 3586 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:33,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3579 Valid, 3586 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:37:33,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4895 states. [2022-11-18 20:37:34,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4895 to 4895. [2022-11-18 20:37:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 3448 states have (on average 1.3578886310904872) internal successors, (4682), 3560 states have internal predecessors, (4682), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:37:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 7235 transitions. [2022-11-18 20:37:34,117 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 7235 transitions. Word has length 11 [2022-11-18 20:37:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:34,117 INFO L495 AbstractCegarLoop]: Abstraction has 4895 states and 7235 transitions. [2022-11-18 20:37:34,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 7235 transitions. [2022-11-18 20:37:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:37:34,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:34,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:34,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:37:34,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:34,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:34,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1759283693, now seen corresponding path program 1 times [2022-11-18 20:37:34,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:34,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486363313] [2022-11-18 20:37:34,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:34,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:34,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:34,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486363313] [2022-11-18 20:37:34,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486363313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:34,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:34,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:37:34,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869170247] [2022-11-18 20:37:34,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:34,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:37:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:34,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:37:34,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:34,417 INFO L87 Difference]: Start difference. First operand 4895 states and 7235 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:34,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:34,810 INFO L93 Difference]: Finished difference Result 4897 states and 7236 transitions. [2022-11-18 20:37:34,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:37:34,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2022-11-18 20:37:34,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:34,847 INFO L225 Difference]: With dead ends: 4897 [2022-11-18 20:37:34,851 INFO L226 Difference]: Without dead ends: 4894 [2022-11-18 20:37:34,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:34,865 INFO L413 NwaCegarLoop]: 3584 mSDtfsCounter, 3576 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3576 SdHoareTripleChecker+Valid, 3584 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:34,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3576 Valid, 3584 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:37:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2022-11-18 20:37:35,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 4894. [2022-11-18 20:37:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4894 states, 3448 states have (on average 1.357598607888631) internal successors, (4681), 3559 states have internal predecessors, (4681), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:37:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4894 states to 4894 states and 7233 transitions. [2022-11-18 20:37:35,204 INFO L78 Accepts]: Start accepts. Automaton has 4894 states and 7233 transitions. Word has length 12 [2022-11-18 20:37:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:35,204 INFO L495 AbstractCegarLoop]: Abstraction has 4894 states and 7233 transitions. [2022-11-18 20:37:35,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4894 states and 7233 transitions. [2022-11-18 20:37:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:37:35,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:35,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:35,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:37:35,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:35,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1297927119, now seen corresponding path program 1 times [2022-11-18 20:37:35,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:35,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002537397] [2022-11-18 20:37:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:35,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:35,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:35,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002537397] [2022-11-18 20:37:35,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002537397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:35,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:35,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:37:35,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486032882] [2022-11-18 20:37:35,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:35,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:37:35,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:37:35,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:35,425 INFO L87 Difference]: Start difference. First operand 4894 states and 7233 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:35,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:35,741 INFO L93 Difference]: Finished difference Result 4896 states and 7234 transitions. [2022-11-18 20:37:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:37:35,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-11-18 20:37:35,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:35,782 INFO L225 Difference]: With dead ends: 4896 [2022-11-18 20:37:35,783 INFO L226 Difference]: Without dead ends: 4887 [2022-11-18 20:37:35,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:37:35,789 INFO L413 NwaCegarLoop]: 3583 mSDtfsCounter, 3573 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 3583 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:35,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3573 Valid, 3583 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:37:35,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4887 states. [2022-11-18 20:37:36,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4887 to 4887. [2022-11-18 20:37:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4887 states, 3442 states have (on average 1.357350377687391) internal successors, (4672), 3552 states have internal predecessors, (4672), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:37:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4887 states to 4887 states and 7223 transitions. [2022-11-18 20:37:36,407 INFO L78 Accepts]: Start accepts. Automaton has 4887 states and 7223 transitions. Word has length 13 [2022-11-18 20:37:36,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:36,407 INFO L495 AbstractCegarLoop]: Abstraction has 4887 states and 7223 transitions. [2022-11-18 20:37:36,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4887 states and 7223 transitions. [2022-11-18 20:37:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-18 20:37:36,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:36,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:36,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:37:36,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:36,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:36,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1402318409, now seen corresponding path program 1 times [2022-11-18 20:37:36,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:36,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46387435] [2022-11-18 20:37:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:37:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:37:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:36,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:36,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46387435] [2022-11-18 20:37:36,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46387435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:36,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:36,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:37:36,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264344334] [2022-11-18 20:37:36,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:36,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:37:36,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:36,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:37:36,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:37:36,918 INFO L87 Difference]: Start difference. First operand 4887 states and 7223 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:37:41,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:45,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:54,600 INFO L93 Difference]: Finished difference Result 10492 states and 16188 transitions. [2022-11-18 20:37:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:37:54,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2022-11-18 20:37:54,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:54,657 INFO L225 Difference]: With dead ends: 10492 [2022-11-18 20:37:54,658 INFO L226 Difference]: Without dead ends: 5608 [2022-11-18 20:37:54,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:37:54,700 INFO L413 NwaCegarLoop]: 2790 mSDtfsCounter, 832 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 3669 mSolverCounterSat, 680 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 3669 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:54,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 6380 Invalid, 4351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [680 Valid, 3669 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2022-11-18 20:37:54,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5608 states. [2022-11-18 20:37:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5608 to 5301. [2022-11-18 20:37:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5301 states, 3730 states have (on average 1.3528150134048258) internal successors, (5046), 3850 states have internal predecessors, (5046), 1253 states have call successors, (1253), 259 states have call predecessors, (1253), 317 states have return successors, (1684), 1275 states have call predecessors, (1684), 1249 states have call successors, (1684) [2022-11-18 20:37:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 7983 transitions. [2022-11-18 20:37:55,175 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 7983 transitions. Word has length 53 [2022-11-18 20:37:55,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:55,176 INFO L495 AbstractCegarLoop]: Abstraction has 5301 states and 7983 transitions. [2022-11-18 20:37:55,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:37:55,177 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 7983 transitions. [2022-11-18 20:37:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-18 20:37:55,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:55,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:55,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:37:55,190 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:55,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:55,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1109381630, now seen corresponding path program 1 times [2022-11-18 20:37:55,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:55,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115187741] [2022-11-18 20:37:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:55,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:56,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:58,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:58,733 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:37:58,734 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:37:58,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:37:58,742 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:58,747 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:37:58,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:37:58 BoogieIcfgContainer [2022-11-18 20:37:58,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:37:58,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:37:58,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:37:58,904 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:37:58,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:29" (3/4) ... [2022-11-18 20:37:58,909 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:37:58,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:37:58,910 INFO L158 Benchmark]: Toolchain (without parser) took 56223.21ms. Allocated memory was 146.8MB in the beginning and 1.1GB in the end (delta: 908.1MB). Free memory was 95.4MB in the beginning and 785.1MB in the end (delta: -689.7MB). Peak memory consumption was 218.2MB. Max. memory is 16.1GB. [2022-11-18 20:37:58,910 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:37:58,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5148.22ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 95.3MB in the beginning and 95.7MB in the end (delta: -477.1kB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2022-11-18 20:37:58,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 530.28ms. Allocated memory is still 211.8MB. Free memory was 95.7MB in the beginning and 96.8MB in the end (delta: -1.1MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-18 20:37:58,911 INFO L158 Benchmark]: Boogie Preprocessor took 736.29ms. Allocated memory was 211.8MB in the beginning and 396.4MB in the end (delta: 184.5MB). Free memory was 96.8MB in the beginning and 270.8MB in the end (delta: -174.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-18 20:37:58,912 INFO L158 Benchmark]: RCFGBuilder took 20589.66ms. Allocated memory was 396.4MB in the beginning and 803.2MB in the end (delta: 406.8MB). Free memory was 270.8MB in the beginning and 624.7MB in the end (delta: -353.8MB). Peak memory consumption was 491.3MB. Max. memory is 16.1GB. [2022-11-18 20:37:58,912 INFO L158 Benchmark]: TraceAbstraction took 29201.22ms. Allocated memory was 803.2MB in the beginning and 1.1GB in the end (delta: 251.7MB). Free memory was 623.6MB in the beginning and 785.1MB in the end (delta: -161.5MB). Peak memory consumption was 607.1MB. Max. memory is 16.1GB. [2022-11-18 20:37:58,913 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 1.1GB. Free memory is still 785.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:37:58,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5148.22ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 95.3MB in the beginning and 95.7MB in the end (delta: -477.1kB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 530.28ms. Allocated memory is still 211.8MB. Free memory was 95.7MB in the beginning and 96.8MB in the end (delta: -1.1MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 736.29ms. Allocated memory was 211.8MB in the beginning and 396.4MB in the end (delta: 184.5MB). Free memory was 96.8MB in the beginning and 270.8MB in the end (delta: -174.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * RCFGBuilder took 20589.66ms. Allocated memory was 396.4MB in the beginning and 803.2MB in the end (delta: 406.8MB). Free memory was 270.8MB in the beginning and 624.7MB in the end (delta: -353.8MB). Peak memory consumption was 491.3MB. Max. memory is 16.1GB. * TraceAbstraction took 29201.22ms. Allocated memory was 803.2MB in the beginning and 1.1GB in the end (delta: 251.7MB). Free memory was 623.6MB in the beginning and 785.1MB in the end (delta: -161.5MB). Peak memory consumption was 607.1MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 1.1GB. Free memory is still 785.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833, overapproximation of bitwiseAnd at line 11396. Possible FailurePath: [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L13179] static int ldv_mutex_mtx ; [L12503] int LDV_IN_INTERRUPT ; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L12965] static int ldv_mutex_fw_mutex ; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L13072] static int ldv_mutex_lock ; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L13286] static int ldv_mutex_mutex ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L7140] static bool ap_mode_default ; [L11839] struct pci_device_id const __mod_pci_device_table ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp___0=1] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=12, tmp___0=1] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=12, tmp___0=1] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={36893488147419103234:-1299}, priv->ap_fw=257, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=1, \result={1:1}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, pfo_ret__={1:1}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={1:1}, hw={36893488147419103234:196}, hw={36893488147419103234:196}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={36893488147419103234:-1299}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={36893488147419103234:196}, hw={36893488147419103234:196}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={36893488147419103234:-1299}, priv->fw_mutex_owner={36893488147419103233:18446744073709551617}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp={1:1}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={36893488147419103234:196}, hw={36893488147419103234:196}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={36893488147419103234:-1299}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp={1:1}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=7, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=7, hw={36893488147419103234:196}, hw={36893488147419103234:196}, info={36893488147419103237:36893488147419103242}, info={36893488147419103237:36893488147419103242}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={36893488147419103235:36893488147419103241}, vif={36893488147419103235:36893488147419103241}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={36893488147419103234:196}, hw={36893488147419103234:196}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={36893488147419103234:-1299}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={36893488147419103234:196}, hw={36893488147419103234:196}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={36893488147419103234:-1299}, priv->hw_restart_in_progress=-255, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={36893488147419103234:39}, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={36893488147419103234:39}, lock={36893488147419103234:39}, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2510 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 18826 SdHoareTripleChecker+Valid, 17.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18753 mSDsluCounter, 29059 SdHoareTripleChecker+Invalid, 15.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7232 mSDsCounter, 687 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3687 IncrementalHoareTripleChecker+Invalid, 4376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 687 mSolverCounterUnsat, 21827 mSDtfsCounter, 3687 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5301occurred in iteration=6, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 310 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 20:37:58,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:38:01,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:38:01,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:38:01,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:38:01,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:38:01,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:38:01,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:38:01,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:38:01,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:38:01,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:38:01,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:38:01,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:38:01,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:38:01,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:38:01,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:38:01,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:38:01,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:38:01,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:38:01,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:38:01,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:38:01,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:38:01,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:38:01,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:38:01,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:38:01,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:38:01,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:38:01,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:38:01,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:38:01,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:38:01,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:38:01,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:38:01,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:38:01,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:38:01,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:38:01,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:38:01,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:38:01,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:38:01,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:38:01,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:38:01,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:38:01,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:38:01,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:38:01,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:38:01,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:38:01,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:38:01,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:38:01,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:38:01,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:38:01,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:38:01,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:38:01,594 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:38:01,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:38:01,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:38:01,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:38:01,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:38:01,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:38:01,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:38:01,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:38:01,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:38:01,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:38:01,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:38:01,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:38:01,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:38:01,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:38:01,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:38:01,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:38:01,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:38:01,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:38:01,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:38:01,601 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:38:01,601 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:38:01,602 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:38:01,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:38:01,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:38:01,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:38:01,603 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_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-11-18 20:38:02,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:38:02,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:38:02,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:38:02,123 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:38:02,125 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:38:02,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-18 20:38:02,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/a03202362/ae8921edf46d4ae3b927488efa1b06bb/FLAG50c3cf2c4 [2022-11-18 20:38:03,272 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:38:03,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-18 20:38:03,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/a03202362/ae8921edf46d4ae3b927488efa1b06bb/FLAG50c3cf2c4 [2022-11-18 20:38:03,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/data/a03202362/ae8921edf46d4ae3b927488efa1b06bb [2022-11-18 20:38:03,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:38:03,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:38:03,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:38:03,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:38:03,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:38:03,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:38:03" (1/1) ... [2022-11-18 20:38:03,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e1db04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:03, skipping insertion in model container [2022-11-18 20:38:03,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:38:03" (1/1) ... [2022-11-18 20:38:03,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:38:03,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:38:07,836 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-18 20:38:08,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:38:08,125 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 20:38:08,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:38:08,835 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-18 20:38:08,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:38:08,867 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:38:09,462 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-18 20:38:09,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:38:09,814 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:38:09,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09 WrapperNode [2022-11-18 20:38:09,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:38:09,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:38:09,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:38:09,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:38:09,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,383 INFO L138 Inliner]: procedures = 429, calls = 3379, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2022-11-18 20:38:10,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:38:10,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:38:10,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:38:10,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:38:10,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,852 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:38:10,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:38:10,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:38:10,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:38:10,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (1/1) ... [2022-11-18 20:38:10,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:38:10,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:11,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:38:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-11-18 20:38:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-11-18 20:38:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-11-18 20:38:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-11-18 20:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:38:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 20:38:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 20:38:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:38:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:38:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:38:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:38:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-18 20:38:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-18 20:38:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:38:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:38:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-11-18 20:38:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-11-18 20:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-18 20:38:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-18 20:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-18 20:38:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-18 20:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-11-18 20:38:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-11-18 20:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 20:38:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-18 20:38:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-18 20:38:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-11-18 20:38:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-11-18 20:38:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-18 20:38:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-18 20:38:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-11-18 20:38:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-11-18 20:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:38:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-11-18 20:38:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-11-18 20:38:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:38:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 20:38:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 20:38:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 20:38:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:38:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:38:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:38:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:38:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-11-18 20:38:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-11-18 20:38:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-11-18 20:38:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-11-18 20:38:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-11-18 20:38:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-11-18 20:38:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:38:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:38:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 20:38:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 20:38:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:38:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:38:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-11-18 20:38:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-11-18 20:38:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:38:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:38:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-11-18 20:38:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-11-18 20:38:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-11-18 20:38:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-11-18 20:38:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:38:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:38:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-11-18 20:38:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-11-18 20:38:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-18 20:38:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-18 20:38:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:38:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:38:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:38:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:38:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-18 20:38:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-18 20:38:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-11-18 20:38:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-11-18 20:38:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-18 20:38:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-18 20:38:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-11-18 20:38:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-11-18 20:38:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:38:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 20:38:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 20:38:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:38:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-18 20:38:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-18 20:38:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:38:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:38:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:38:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:38:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 20:38:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-18 20:38:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-11-18 20:38:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-11-18 20:38:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 20:38:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-11-18 20:38:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-11-18 20:38:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-18 20:38:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-18 20:38:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 20:38:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 20:38:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-11-18 20:38:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-11-18 20:38:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:38:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:38:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-18 20:38:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-18 20:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-11-18 20:38:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-11-18 20:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 20:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:38:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-18 20:38:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-18 20:38:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 20:38:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 20:38:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 20:38:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:38:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:38:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-11-18 20:38:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-11-18 20:38:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 20:38:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 20:38:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:38:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 20:38:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:38:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:38:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:38:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 20:38:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 20:38:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-18 20:38:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-18 20:38:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-11-18 20:38:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-11-18 20:38:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-11-18 20:38:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-11-18 20:38:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-18 20:38:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-18 20:38:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-11-18 20:38:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-11-18 20:38:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-11-18 20:38:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-11-18 20:38:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-11-18 20:38:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-11-18 20:38:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-11-18 20:38:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-11-18 20:38:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:38:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:38:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-18 20:38:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-18 20:38:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-18 20:38:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-18 20:38:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:38:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:38:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:38:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:38:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-18 20:38:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-18 20:38:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-11-18 20:38:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-11-18 20:38:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-11-18 20:38:11,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-11-18 20:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:38:11,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 20:38:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 20:38:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 20:38:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 20:38:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 20:38:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 20:38:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-11-18 20:38:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-11-18 20:38:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:38:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:38:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-11-18 20:38:11,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-11-18 20:38:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 20:38:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 20:38:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 20:38:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 20:38:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:38:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-11-18 20:38:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-11-18 20:38:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:38:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-11-18 20:38:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-11-18 20:38:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-11-18 20:38:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-11-18 20:38:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-11-18 20:38:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-11-18 20:38:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-11-18 20:38:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-11-18 20:38:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 20:38:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 20:38:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 20:38:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-11-18 20:38:11,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-11-18 20:38:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 20:38:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:38:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 20:38:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 20:38:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:38:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:38:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-18 20:38:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-18 20:38:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-11-18 20:38:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-11-18 20:38:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-18 20:38:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-18 20:38:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-11-18 20:38:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-11-18 20:38:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-11-18 20:38:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-11-18 20:38:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-11-18 20:38:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-11-18 20:38:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-11-18 20:38:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-11-18 20:38:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-18 20:38:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-18 20:38:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 20:38:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 20:38:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-11-18 20:38:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-11-18 20:38:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-18 20:38:11,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-18 20:38:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 20:38:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 20:38:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-11-18 20:38:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-11-18 20:38:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-11-18 20:38:11,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-11-18 20:38:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-11-18 20:38:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-11-18 20:38:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-11-18 20:38:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-11-18 20:38:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:38:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:38:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-18 20:38:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-18 20:38:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 20:38:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-18 20:38:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 20:38:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 20:38:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:38:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:38:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-18 20:38:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-18 20:38:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-11-18 20:38:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-11-18 20:38:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-18 20:38:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-18 20:38:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-18 20:38:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-18 20:38:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-11-18 20:38:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-11-18 20:38:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-18 20:38:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-18 20:38:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-11-18 20:38:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-11-18 20:38:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-18 20:38:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-18 20:38:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-11-18 20:38:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-11-18 20:38:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-11-18 20:38:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-11-18 20:38:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-18 20:38:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-18 20:38:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-18 20:38:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-18 20:38:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 20:38:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 20:38:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-11-18 20:38:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-11-18 20:38:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-11-18 20:38:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-11-18 20:38:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:38:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:38:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-11-18 20:38:11,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-11-18 20:38:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-18 20:38:11,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-18 20:38:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-11-18 20:38:11,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-11-18 20:38:11,111 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-11-18 20:38:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-11-18 20:38:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-11-18 20:38:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-11-18 20:38:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 20:38:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 20:38:11,112 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-18 20:38:11,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-18 20:38:12,351 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:38:12,356 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:40:02,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:40:02,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:40:02,464 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:40:02,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:02 BoogieIcfgContainer [2022-11-18 20:40:02,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:40:02,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:40:02,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:40:02,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:40:02,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:38:03" (1/3) ... [2022-11-18 20:40:02,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ffcd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:02, skipping insertion in model container [2022-11-18 20:40:02,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:38:09" (2/3) ... [2022-11-18 20:40:02,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ffcd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:02, skipping insertion in model container [2022-11-18 20:40:02,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:02" (3/3) ... [2022-11-18 20:40:02,480 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-18 20:40:02,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:40:02,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:40:02,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:40:02,641 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3365d4e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:40:02,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:40:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 2479 states, 1737 states have (on average 1.3580886586067933) internal successors, (2359), 1800 states have internal predecessors, (2359), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-11-18 20:40:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 20:40:02,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:02,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:02,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:02,673 INFO L85 PathProgramCache]: Analyzing trace with hash 771232234, now seen corresponding path program 1 times [2022-11-18 20:40:02,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:02,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869677169] [2022-11-18 20:40:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:02,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:02,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:02,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:02,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:40:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:04,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:40:04,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:05,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:05,051 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:05,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869677169] [2022-11-18 20:40:05,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869677169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:05,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:05,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:05,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163548173] [2022-11-18 20:40:05,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:05,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:05,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:05,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:05,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:05,131 INFO L87 Difference]: Start difference. First operand has 2479 states, 1737 states have (on average 1.3580886586067933) internal successors, (2359), 1800 states have internal predecessors, (2359), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:05,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:05,716 INFO L93 Difference]: Finished difference Result 4952 states and 7321 transitions. [2022-11-18 20:40:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:05,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2022-11-18 20:40:05,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:05,761 INFO L225 Difference]: With dead ends: 4952 [2022-11-18 20:40:05,761 INFO L226 Difference]: Without dead ends: 2459 [2022-11-18 20:40:05,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:05,795 INFO L413 NwaCegarLoop]: 3564 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3564 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:05,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3559 Valid, 3564 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:40:05,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2022-11-18 20:40:06,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2459. [2022-11-18 20:40:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2459 states, 1720 states have (on average 1.3517441860465116) internal successors, (2325), 1780 states have internal predecessors, (2325), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2022-11-18 20:40:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2459 states and 3535 transitions. [2022-11-18 20:40:06,085 INFO L78 Accepts]: Start accepts. Automaton has 2459 states and 3535 transitions. Word has length 9 [2022-11-18 20:40:06,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:06,086 INFO L495 AbstractCegarLoop]: Abstraction has 2459 states and 3535 transitions. [2022-11-18 20:40:06,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 3535 transitions. [2022-11-18 20:40:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 20:40:06,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:06,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:06,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:06,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:06,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1862769385, now seen corresponding path program 1 times [2022-11-18 20:40:06,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:06,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839775734] [2022-11-18 20:40:06,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:06,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:06,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:06,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:06,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:40:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:08,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:40:08,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:08,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:08,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:08,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839775734] [2022-11-18 20:40:08,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839775734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:08,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:08,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:08,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121659008] [2022-11-18 20:40:08,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:08,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:08,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:08,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:08,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:08,478 INFO L87 Difference]: Start difference. First operand 2459 states and 3535 transitions. Second operand has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:09,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:09,241 INFO L93 Difference]: Finished difference Result 7293 states and 10835 transitions. [2022-11-18 20:40:09,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:09,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-18 20:40:09,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:09,279 INFO L225 Difference]: With dead ends: 7293 [2022-11-18 20:40:09,280 INFO L226 Difference]: Without dead ends: 4837 [2022-11-18 20:40:09,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:09,295 INFO L413 NwaCegarLoop]: 4591 mSDtfsCounter, 3526 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3526 SdHoareTripleChecker+Valid, 8179 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:09,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3526 Valid, 8179 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:40:09,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4837 states. [2022-11-18 20:40:09,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4837 to 4834. [2022-11-18 20:40:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4834 states, 3386 states have (on average 1.3511518015357353) internal successors, (4575), 3499 states have internal predecessors, (4575), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:40:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 4834 states and 7129 transitions. [2022-11-18 20:40:09,663 INFO L78 Accepts]: Start accepts. Automaton has 4834 states and 7129 transitions. Word has length 10 [2022-11-18 20:40:09,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:09,664 INFO L495 AbstractCegarLoop]: Abstraction has 4834 states and 7129 transitions. [2022-11-18 20:40:09,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4834 states and 7129 transitions. [2022-11-18 20:40:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:40:09,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:09,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:09,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:09,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:09,879 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1912436083, now seen corresponding path program 1 times [2022-11-18 20:40:09,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:09,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489910743] [2022-11-18 20:40:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:09,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:09,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:09,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:09,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 20:40:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:11,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:40:11,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:11,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:11,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:11,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489910743] [2022-11-18 20:40:11,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489910743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:11,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:11,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:11,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161488817] [2022-11-18 20:40:11,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:11,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:11,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:11,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:11,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:11,977 INFO L87 Difference]: Start difference. First operand 4834 states and 7129 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:12,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:12,494 INFO L93 Difference]: Finished difference Result 4836 states and 7130 transitions. [2022-11-18 20:40:12,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:12,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 11 [2022-11-18 20:40:12,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:12,530 INFO L225 Difference]: With dead ends: 4836 [2022-11-18 20:40:12,530 INFO L226 Difference]: Without dead ends: 4833 [2022-11-18 20:40:12,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:12,535 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 3525 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:12,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 3532 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:40:12,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2022-11-18 20:40:12,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4833. [2022-11-18 20:40:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4833 states, 3386 states have (on average 1.3508564678086237) internal successors, (4574), 3498 states have internal predecessors, (4574), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:40:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 7127 transitions. [2022-11-18 20:40:13,047 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 7127 transitions. Word has length 11 [2022-11-18 20:40:13,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:13,047 INFO L495 AbstractCegarLoop]: Abstraction has 4833 states and 7127 transitions. [2022-11-18 20:40:13,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 7127 transitions. [2022-11-18 20:40:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:40:13,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:13,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:13,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:13,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:13,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:13,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:13,271 INFO L85 PathProgramCache]: Analyzing trace with hash 842868442, now seen corresponding path program 1 times [2022-11-18 20:40:13,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:13,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645146362] [2022-11-18 20:40:13,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:13,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:13,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:13,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:13,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 20:40:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:15,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1740 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:40:15,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:15,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:15,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:15,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645146362] [2022-11-18 20:40:15,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645146362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:15,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:15,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:15,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29309649] [2022-11-18 20:40:15,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:15,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:15,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:15,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:15,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:15,573 INFO L87 Difference]: Start difference. First operand 4833 states and 7127 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:16,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:16,106 INFO L93 Difference]: Finished difference Result 4835 states and 7128 transitions. [2022-11-18 20:40:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:16,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2022-11-18 20:40:16,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:16,137 INFO L225 Difference]: With dead ends: 4835 [2022-11-18 20:40:16,137 INFO L226 Difference]: Without dead ends: 4832 [2022-11-18 20:40:16,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:16,142 INFO L413 NwaCegarLoop]: 3530 mSDtfsCounter, 3522 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 3530 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:16,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 3530 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:40:16,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2022-11-18 20:40:16,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4832. [2022-11-18 20:40:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4832 states, 3386 states have (on average 1.350561134081512) internal successors, (4573), 3497 states have internal predecessors, (4573), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:40:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4832 states to 4832 states and 7125 transitions. [2022-11-18 20:40:16,767 INFO L78 Accepts]: Start accepts. Automaton has 4832 states and 7125 transitions. Word has length 12 [2022-11-18 20:40:16,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:16,768 INFO L495 AbstractCegarLoop]: Abstraction has 4832 states and 7125 transitions. [2022-11-18 20:40:16,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 7125 transitions. [2022-11-18 20:40:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:40:16,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:16,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:16,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:16,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:16,995 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:16,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:16,995 INFO L85 PathProgramCache]: Analyzing trace with hash 357967664, now seen corresponding path program 1 times [2022-11-18 20:40:16,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:16,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325287060] [2022-11-18 20:40:16,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:16,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:16,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:17,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:17,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 20:40:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:18,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1741 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:40:18,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:19,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:19,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:19,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325287060] [2022-11-18 20:40:19,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325287060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:19,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:19,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:19,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619444631] [2022-11-18 20:40:19,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:19,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:19,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:19,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:19,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:19,026 INFO L87 Difference]: Start difference. First operand 4832 states and 7125 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:19,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:19,558 INFO L93 Difference]: Finished difference Result 4834 states and 7126 transitions. [2022-11-18 20:40:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-11-18 20:40:19,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:19,620 INFO L225 Difference]: With dead ends: 4834 [2022-11-18 20:40:19,620 INFO L226 Difference]: Without dead ends: 4825 [2022-11-18 20:40:19,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:19,625 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 3519 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3519 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:19,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3519 Valid, 3529 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:40:19,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2022-11-18 20:40:20,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4825. [2022-11-18 20:40:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3380 states have (on average 1.3502958579881656) internal successors, (4564), 3490 states have internal predecessors, (4564), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:40:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 7115 transitions. [2022-11-18 20:40:20,201 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 7115 transitions. Word has length 13 [2022-11-18 20:40:20,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:20,202 INFO L495 AbstractCegarLoop]: Abstraction has 4825 states and 7115 transitions. [2022-11-18 20:40:20,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 7115 transitions. [2022-11-18 20:40:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-18 20:40:20,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:20,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:20,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:20,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:20,431 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:20,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:20,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1882641333, now seen corresponding path program 1 times [2022-11-18 20:40:20,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:20,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150391172] [2022-11-18 20:40:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:20,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:20,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:20,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:20,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 20:40:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:22,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1914 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:40:22,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:22,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:22,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:22,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150391172] [2022-11-18 20:40:22,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150391172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:22,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:22,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:22,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732539222] [2022-11-18 20:40:22,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:22,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:22,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:22,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:22,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:22,649 INFO L87 Difference]: Start difference. First operand 4825 states and 7115 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:40:23,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:23,212 INFO L93 Difference]: Finished difference Result 9649 states and 14581 transitions. [2022-11-18 20:40:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:23,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2022-11-18 20:40:23,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:23,273 INFO L225 Difference]: With dead ends: 9649 [2022-11-18 20:40:23,273 INFO L226 Difference]: Without dead ends: 4827 [2022-11-18 20:40:23,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:23,315 INFO L413 NwaCegarLoop]: 3521 mSDtfsCounter, 0 mSDsluCounter, 3514 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7035 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:23,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7035 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:40:23,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2022-11-18 20:40:23,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4825. [2022-11-18 20:40:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3380 states have (on average 1.3485207100591716) internal successors, (4558), 3490 states have internal predecessors, (4558), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-11-18 20:40:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 7109 transitions. [2022-11-18 20:40:23,872 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 7109 transitions. Word has length 53 [2022-11-18 20:40:23,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:23,873 INFO L495 AbstractCegarLoop]: Abstraction has 4825 states and 7109 transitions. [2022-11-18 20:40:23,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:40:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 7109 transitions. [2022-11-18 20:40:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-18 20:40:23,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:23,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:23,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-11-18 20:40:24,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:24,107 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:24,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1650337170, now seen corresponding path program 1 times [2022-11-18 20:40:24,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:24,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23698173] [2022-11-18 20:40:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:24,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:24,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:24,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 20:42:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:45,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:43:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:43:23,489 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 20:43:23,489 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:43:23,491 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:43:23,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:43:23,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:43:23,721 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:43:23,725 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:43:23,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:43:23 BoogieIcfgContainer [2022-11-18 20:43:23,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:43:23,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:43:23,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:43:23,887 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:43:23,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:02" (3/4) ... [2022-11-18 20:43:23,890 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:43:23,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:43:23,891 INFO L158 Benchmark]: Toolchain (without parser) took 320223.75ms. Allocated memory was 79.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 47.7MB in the beginning and 636.2MB in the end (delta: -588.6MB). Peak memory consumption was 520.8MB. Max. memory is 16.1GB. [2022-11-18 20:43:23,891 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 79.7MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:43:23,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6147.49ms. Allocated memory was 79.7MB in the beginning and 218.1MB in the end (delta: 138.4MB). Free memory was 47.4MB in the beginning and 119.1MB in the end (delta: -71.7MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. [2022-11-18 20:43:23,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 567.37ms. Allocated memory is still 218.1MB. Free memory was 119.1MB in the beginning and 115.9MB in the end (delta: 3.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-11-18 20:43:23,892 INFO L158 Benchmark]: Boogie Preprocessor took 537.90ms. Allocated memory was 218.1MB in the beginning and 427.8MB in the end (delta: 209.7MB). Free memory was 115.9MB in the beginning and 304.3MB in the end (delta: -188.4MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-18 20:43:23,892 INFO L158 Benchmark]: RCFGBuilder took 111546.44ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 759.2MB). Free memory was 304.3MB in the beginning and 901.8MB in the end (delta: -597.4MB). Peak memory consumption was 709.1MB. Max. memory is 16.1GB. [2022-11-18 20:43:23,893 INFO L158 Benchmark]: TraceAbstraction took 201412.39ms. Allocated memory is still 1.2GB. Free memory was 900.7MB in the beginning and 637.3MB in the end (delta: 263.4MB). Peak memory consumption was 263.4MB. Max. memory is 16.1GB. [2022-11-18 20:43:23,893 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 1.2GB. Free memory was 637.3MB in the beginning and 636.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:43:23,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 79.7MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6147.49ms. Allocated memory was 79.7MB in the beginning and 218.1MB in the end (delta: 138.4MB). Free memory was 47.4MB in the beginning and 119.1MB in the end (delta: -71.7MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 567.37ms. Allocated memory is still 218.1MB. Free memory was 119.1MB in the beginning and 115.9MB in the end (delta: 3.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 537.90ms. Allocated memory was 218.1MB in the beginning and 427.8MB in the end (delta: 209.7MB). Free memory was 115.9MB in the beginning and 304.3MB in the end (delta: -188.4MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * RCFGBuilder took 111546.44ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 759.2MB). Free memory was 304.3MB in the beginning and 901.8MB in the end (delta: -597.4MB). Peak memory consumption was 709.1MB. Max. memory is 16.1GB. * TraceAbstraction took 201412.39ms. Allocated memory is still 1.2GB. Free memory was 900.7MB in the beginning and 637.3MB in the end (delta: 263.4MB). Peak memory consumption was 263.4MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 1.2GB. Free memory was 637.3MB in the beginning and 636.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833. Possible FailurePath: [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L13179] static int ldv_mutex_mtx ; [L12503] int LDV_IN_INTERRUPT ; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L12965] static int ldv_mutex_fw_mutex ; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L13072] static int ldv_mutex_lock ; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L13286] static int ldv_mutex_mutex ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L7140] static bool ap_mode_default ; [L11839] struct pci_device_id const __mod_pci_device_table ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp___0=2147483648] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=12, tmp___0=2147483648] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=12, tmp___0=2147483648] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={1099511824384:-1511}, priv->ap_fw=-128, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, vif={521:522}, vif={521:522}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, vif={521:522}, vif={521:522}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=1, \result={1125899906842624:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, pfo_ret__={1125899906842624:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={1125899906842624:0}, hw={1099511824384:-52}, hw={1099511824384:-52}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={1099511824384:-1511}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={1099511824384:-52}, hw={1099511824384:-52}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={1099511824384:-1511}, priv->fw_mutex_owner={-7881582815739904:9007482722582528}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp={1125899906842624:0}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={1099511824384:-52}, hw={1099511824384:-52}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={1099511824384:-1511}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp={1125899906842624:0}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, vif={521:522}, vif={521:522}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={521:522}, vif={521:522}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={521:522}, vif={521:522}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={521:522}, vif={521:522}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={521:522}, vif={521:522}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={1099511824384:-52}, hw={1099511824384:-52}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}, tmp=0, vif={521:522}, vif={521:522}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={1099511824384:-52}, hw={1099511824384:-52}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={-9223370937342951424:-1496}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={1099511824384:-52}, hw={1099511824384:-52}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, priv={-9223370937342951424:-1496}, priv->hw_restart_in_progress=-128, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={-9223370937342951424:-158}, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={-9223370937342951424:-158}, lock={-9223370937342951424:-158}, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={187:0}, mwl8k_channels_50={186:0}, mwl8k_info_tbl={189:0}, mwl8k_ops={192:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={190:0}, rxd_8366_ap_ops={188:0}, rxd_sta_ops={185:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2479 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 201.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17651 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17651 mSDsluCounter, 29369 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7102 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 22267 mSDtfsCounter, 27 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4834occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 148.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10609 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 20:43:23,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7349eb2-97dc-4e19-9c5c-bbc5afc29434/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample