./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ipw2x00-ipw2100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc --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 3175a50fddc095ad7f0b830e9cbc7a53388765b43a39b66b2d6d21a3494a6307 --- 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-5e519f3 [2022-11-02 20:22:19,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:22:19,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:22:19,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:22:19,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:22:19,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:22:19,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:22:19,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:22:19,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:22:19,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:22:19,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:22:19,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:22:19,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:22:19,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:22:19,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:22:19,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:22:19,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:22:19,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:22:19,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:22:19,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:22:19,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:22:19,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:22:19,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:22:19,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:22:19,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:22:19,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:22:19,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:22:19,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:22:19,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:22:19,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:22:19,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:22:19,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:22:19,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:22:19,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:22:19,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:22:19,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:22:19,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:22:19,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:22:19,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:22:19,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:22:19,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:22:19,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:22:19,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:22:19,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:22:19,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:22:19,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:22:19,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:22:19,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:22:19,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:22:19,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:22:19,737 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:22:19,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:22:19,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:22:19,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:22:19,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:22:19,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:22:19,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:22:19,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:22:19,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:22:19,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:22:19,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:22:19,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:22:19,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:22:19,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:22:19,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:22:19,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:22:19,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:22:19,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:22:19,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:22:19,747 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:22:19,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:22:19,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:22:19,747 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_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3175a50fddc095ad7f0b830e9cbc7a53388765b43a39b66b2d6d21a3494a6307 [2022-11-02 20:22:20,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:22:20,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:22:20,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:22:20,142 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:22:20,143 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:22:20,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:22:20,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/data/18d5a0ca8/c702183c4223489a83758fa3df7ef85d/FLAG5924bae70 [2022-11-02 20:22:21,754 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:22:21,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:22:21,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/data/18d5a0ca8/c702183c4223489a83758fa3df7ef85d/FLAG5924bae70 [2022-11-02 20:22:22,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/data/18d5a0ca8/c702183c4223489a83758fa3df7ef85d [2022-11-02 20:22:22,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:22:22,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:22:22,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:22:22,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:22:22,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:22:22,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:22:22" (1/1) ... [2022-11-02 20:22:22,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7efb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:22, skipping insertion in model container [2022-11-02 20:22:22,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:22:22" (1/1) ... [2022-11-02 20:22:22,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:22:22,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:22:29,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ipw2x00-ipw2100.cil.i[747166,747179] [2022-11-02 20:22:29,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:22:29,907 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:22:30,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ipw2x00-ipw2100.cil.i[747166,747179] [2022-11-02 20:22:30,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:22:31,136 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:22:31,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31 WrapperNode [2022-11-02 20:22:31,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:22:31,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:22:31,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:22:31,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:22:31,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:31,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:31,879 INFO L138 Inliner]: procedures = 602, calls = 11474, calls flagged for inlining = 305, calls inlined = 243, statements flattened = 12781 [2022-11-02 20:22:31,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:22:31,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:22:31,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:22:31,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:22:31,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:31,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:32,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:32,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:32,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:32,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:32,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:32,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:33,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:22:33,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:22:33,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:22:33,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:22:33,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (1/1) ... [2022-11-02 20:22:33,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:22:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:22:33,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:22:33,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81844e5b-b8eb-4ca5-ace6-6bddbc0357e8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:22:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:22:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:22:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:22:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2022-11-02 20:22:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2022-11-02 20:22:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2022-11-02 20:22:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2022-11-02 20:22:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2022-11-02 20:22:33,107 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2022-11-02 20:22:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:22:33,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:22:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:22:33,107 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:22:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-02 20:22:33,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-02 20:22:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2022-11-02 20:22:33,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2022-11-02 20:22:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2022-11-02 20:22:33,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2022-11-02 20:22:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:22:33,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:22:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:22:33,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:22:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2022-11-02 20:22:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2022-11-02 20:22:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2022-11-02 20:22:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2022-11-02 20:22:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:22:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:22:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:22:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:22:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:22:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:22:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:22:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:22:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:22:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:22:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:22:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:22:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2022-11-02 20:22:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2022-11-02 20:22:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:22:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:22:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:22:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:22:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2022-11-02 20:22:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2022-11-02 20:22:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2022-11-02 20:22:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2022-11-02 20:22:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2022-11-02 20:22:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2022-11-02 20:22:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:22:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:22:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:22:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2022-11-02 20:22:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2022-11-02 20:22:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:22:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:22:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2022-11-02 20:22:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2022-11-02 20:22:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:22:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:22:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2022-11-02 20:22:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2022-11-02 20:22:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2022-11-02 20:22:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2022-11-02 20:22:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:22:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:22:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2022-11-02 20:22:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2022-11-02 20:22:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:22:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:22:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-02 20:22:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-02 20:22:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:22:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:22:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:22:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-02 20:22:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-02 20:22:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:22:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2022-11-02 20:22:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2022-11-02 20:22:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:22:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:22:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2022-11-02 20:22:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2022-11-02 20:22:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:22:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:22:33,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:22:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2022-11-02 20:22:33,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2022-11-02 20:22:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2022-11-02 20:22:33,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2022-11-02 20:22:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:22:33,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:22:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:22:33,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:22:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:22:33,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:22:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:22:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:22:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2022-11-02 20:22:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2022-11-02 20:22:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:22:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:22:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:22:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:22:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2022-11-02 20:22:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2022-11-02 20:22:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:22:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:22:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2022-11-02 20:22:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2022-11-02 20:22:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2022-11-02 20:22:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2022-11-02 20:22:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2022-11-02 20:22:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2022-11-02 20:22:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:22:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:22:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:22:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:22:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:22:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:22:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2022-11-02 20:22:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2022-11-02 20:22:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:22:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:22:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2022-11-02 20:22:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2022-11-02 20:22:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:22:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:22:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:22:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-02 20:22:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-02 20:22:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:22:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2022-11-02 20:22:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2022-11-02 20:22:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:22:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:22:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2022-11-02 20:22:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2022-11-02 20:22:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:22:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:22:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2022-11-02 20:22:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2022-11-02 20:22:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:22:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:22:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:22:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:22:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2022-11-02 20:22:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2022-11-02 20:22:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2022-11-02 20:22:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2022-11-02 20:22:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:22:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:22:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2022-11-02 20:22:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2022-11-02 20:22:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-02 20:22:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-02 20:22:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:22:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:22:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-02 20:22:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-02 20:22:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2022-11-02 20:22:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2022-11-02 20:22:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2022-11-02 20:22:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2022-11-02 20:22:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 20:22:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 20:22:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:22:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:22:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:22:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:22:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2022-11-02 20:22:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2022-11-02 20:22:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:22:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:22:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2022-11-02 20:22:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2022-11-02 20:22:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2022-11-02 20:22:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2022-11-02 20:22:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2022-11-02 20:22:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2022-11-02 20:22:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2022-11-02 20:22:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2022-11-02 20:22:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:22:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:22:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2022-11-02 20:22:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2022-11-02 20:22:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2022-11-02 20:22:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2022-11-02 20:22:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2022-11-02 20:22:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2022-11-02 20:22:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2022-11-02 20:22:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2022-11-02 20:22:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:22:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:22:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:22:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:22:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2022-11-02 20:22:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2022-11-02 20:22:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2022-11-02 20:22:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2022-11-02 20:22:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:22:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:22:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:22:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:22:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:22:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:22:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2022-11-02 20:22:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2022-11-02 20:22:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:22:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:22:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-02 20:22:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-02 20:22:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:22:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:22:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:22:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:22:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:22:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2022-11-02 20:22:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2022-11-02 20:22:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:22:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:22:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2022-11-02 20:22:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2022-11-02 20:22:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:22:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2022-11-02 20:22:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2022-11-02 20:22:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2022-11-02 20:22:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2022-11-02 20:22:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2022-11-02 20:22:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2022-11-02 20:22:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2022-11-02 20:22:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2022-11-02 20:22:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2022-11-02 20:22:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2022-11-02 20:22:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-02 20:22:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-02 20:22:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:22:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2022-11-02 20:22:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2022-11-02 20:22:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 20:22:33,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 20:22:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:22:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:22:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2022-11-02 20:22:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2022-11-02 20:22:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2022-11-02 20:22:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2022-11-02 20:22:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:22:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:22:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:22:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:22:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2022-11-02 20:22:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2022-11-02 20:22:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:22:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:22:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:22:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:22:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 20:22:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 20:22:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2022-11-02 20:22:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2022-11-02 20:22:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2022-11-02 20:22:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2022-11-02 20:22:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2022-11-02 20:22:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2022-11-02 20:22:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-02 20:22:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-02 20:22:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2022-11-02 20:22:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2022-11-02 20:22:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:22:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:22:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-02 20:22:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-02 20:22:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:22:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:22:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-02 20:22:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-02 20:22:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2022-11-02 20:22:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2022-11-02 20:22:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2022-11-02 20:22:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2022-11-02 20:22:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-02 20:22:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-02 20:22:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:22:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:22:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:22:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2022-11-02 20:22:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2022-11-02 20:22:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:22:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:22:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2022-11-02 20:22:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2022-11-02 20:22:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2022-11-02 20:22:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2022-11-02 20:22:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:22:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:22:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2022-11-02 20:22:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2022-11-02 20:22:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:22:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:22:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2022-11-02 20:22:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2022-11-02 20:22:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:22:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:22:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:22:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:22:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2022-11-02 20:22:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2022-11-02 20:22:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:22:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:22:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:22:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:22:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:22:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:22:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:22:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:22:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:22:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:22:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2022-11-02 20:22:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2022-11-02 20:22:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:22:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:22:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2022-11-02 20:22:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2022-11-02 20:22:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-02 20:22:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2022-11-02 20:22:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2022-11-02 20:22:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2022-11-02 20:22:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2022-11-02 20:22:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:22:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2022-11-02 20:22:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2022-11-02 20:22:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2022-11-02 20:22:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2022-11-02 20:22:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:22:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:22:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-02 20:22:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-02 20:22:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2022-11-02 20:22:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2022-11-02 20:22:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2022-11-02 20:22:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2022-11-02 20:22:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-02 20:22:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-02 20:22:34,861 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:22:34,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:22:50,634 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:25:17,808 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:25:17,998 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:25:18,114 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:25:18,115 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:25:18,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:18 BoogieIcfgContainer [2022-11-02 20:25:18,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:25:18,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:25:18,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:25:18,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:25:18,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:22:22" (1/3) ... [2022-11-02 20:25:18,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67aa18a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:18, skipping insertion in model container [2022-11-02 20:25:18,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:22:31" (2/3) ... [2022-11-02 20:25:18,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67aa18a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:18, skipping insertion in model container [2022-11-02 20:25:18,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:18" (3/3) ... [2022-11-02 20:25:18,137 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:25:18,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:25:18,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:25:18,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:25:18,359 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;@301f30ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:25:18,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:25:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 3700 states, 2661 states have (on average 1.342728297632469) internal successors, (3573), 2676 states have internal predecessors, (3573), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 866 states have call predecessors, (868), 868 states have call successors, (868) [2022-11-02 20:25:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-02 20:25:18,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:25:18,424 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:25:18,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:25:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1297843469, now seen corresponding path program 1 times [2022-11-02 20:25:18,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:18,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998038382] [2022-11-02 20:25:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:18,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:25:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:25:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:25:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:25:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:25:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:25:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:25:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:25:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:25:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:25:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:25:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:25:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:25:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:25:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:25:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:25:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 20:25:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 20:25:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-02 20:25:21,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:25:21,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998038382] [2022-11-02 20:25:21,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998038382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:25:21,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:25:21,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:25:21,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122509757] [2022-11-02 20:25:21,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:25:21,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:25:21,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:25:21,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:25:21,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:25:21,883 INFO L87 Difference]: Start difference. First operand has 3700 states, 2661 states have (on average 1.342728297632469) internal successors, (3573), 2676 states have internal predecessors, (3573), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 866 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-02 20:25:27,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:30,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:32,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:36,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:43,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:47,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:58,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:00,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:03,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:07,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:10,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:12,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:15,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:18,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []