./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:45:09,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:45:09,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:45:09,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:45:09,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:45:09,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:45:09,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:45:09,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:45:09,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:45:09,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:45:09,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:45:09,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:45:09,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:45:09,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:45:09,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:45:09,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:45:09,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:45:09,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:45:09,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:45:09,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:45:09,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:45:09,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:45:09,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:45:09,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:45:09,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:45:09,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:45:09,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:45:09,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:45:09,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:45:09,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:45:09,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:45:09,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:45:09,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:45:09,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:45:09,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:45:09,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:45:09,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:45:09,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:45:09,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:45:09,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:45:09,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:45:09,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:45:09,851 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:45:09,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:45:09,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:45:09,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:45:09,853 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:45:09,853 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:45:09,853 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:45:09,853 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:45:09,854 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:45:09,854 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:45:09,855 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:45:09,855 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:45:09,855 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:45:09,855 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:45:09,856 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:45:09,856 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:45:09,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:45:09,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:45:09,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:45:09,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:45:09,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:45:09,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:45:09,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:45:09,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:45:09,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:45:09,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:45:09,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:45:09,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:45:09,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:09,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:45:09,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:45:09,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:45:09,860 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:45:09,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:45:09,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:45:09,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:45:09,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:45:09,861 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-19 15:45:10,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:45:10,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:45:10,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:45:10,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:45:10,185 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:45:10,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-19 15:45:10,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/5261702b9/5cc264e0d9114a0898e98d59198a2a40/FLAG3cef7fb30 [2021-11-19 15:45:11,217 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:45:11,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-19 15:45:11,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/5261702b9/5cc264e0d9114a0898e98d59198a2a40/FLAG3cef7fb30 [2021-11-19 15:45:11,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/5261702b9/5cc264e0d9114a0898e98d59198a2a40 [2021-11-19 15:45:11,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:45:11,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:45:11,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:11,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:45:11,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:45:11,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:11" (1/1) ... [2021-11-19 15:45:11,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b10ae74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:11, skipping insertion in model container [2021-11-19 15:45:11,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:11" (1/1) ... [2021-11-19 15:45:11,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:45:11,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:45:13,679 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,118 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,120 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,464 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,466 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,678 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,690 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,690 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,691 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,863 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,911 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:14,972 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:15,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:15,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:15,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:45:15,089 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_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-19 15:45:15,222 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:15,271 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 15:45:15,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d176639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:15, skipping insertion in model container [2021-11-19 15:45:15,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:15,273 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:45:15,276 INFO L158 Benchmark]: Toolchain (without parser) took 3710.02ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 74.4MB in the beginning and 70.6MB in the end (delta: 3.8MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2021-11-19 15:45:15,277 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:45:15,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3707.53ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 74.4MB in the beginning and 70.6MB in the end (delta: 3.8MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2021-11-19 15:45:15,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3707.53ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 74.4MB in the beginning and 70.6MB in the end (delta: 3.8MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7263]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:45:17,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:45:17,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:45:17,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:45:17,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:45:17,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:45:17,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:45:17,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:45:17,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:45:17,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:45:17,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:45:17,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:45:17,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:45:17,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:45:17,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:45:17,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:45:17,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:45:17,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:45:17,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:45:17,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:45:17,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:45:17,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:45:17,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:45:17,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:45:17,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:45:17,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:45:17,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:45:17,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:45:17,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:45:17,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:45:17,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:45:17,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:45:17,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:45:17,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:45:17,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:45:17,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:45:17,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:45:17,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:45:17,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:45:17,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:45:17,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:45:17,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:45:17,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:45:17,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:45:17,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:45:17,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:45:17,707 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:45:17,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:45:17,707 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:45:17,707 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:45:17,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:45:17,708 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:45:17,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:45:17,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:45:17,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:45:17,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:45:17,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:45:17,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:45:17,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:45:17,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:45:17,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:45:17,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:45:17,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:45:17,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:45:17,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:45:17,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:45:17,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:17,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:45:17,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:45:17,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:45:17,712 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:45:17,712 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:45:17,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:45:17,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:45:17,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:45:17,713 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_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-19 15:45:18,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:45:18,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:45:18,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:45:18,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:45:18,124 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:45:18,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-19 15:45:18,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/ca815e6cb/1cf182ee71e045a380979b6a489c439d/FLAGc39051cd4 [2021-11-19 15:45:19,326 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:45:19,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-19 15:45:19,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/ca815e6cb/1cf182ee71e045a380979b6a489c439d/FLAGc39051cd4 [2021-11-19 15:45:19,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/data/ca815e6cb/1cf182ee71e045a380979b6a489c439d [2021-11-19 15:45:19,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:45:19,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:45:19,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:19,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:45:19,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:45:19,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:19" (1/1) ... [2021-11-19 15:45:19,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa55177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:19, skipping insertion in model container [2021-11-19 15:45:19,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:19" (1/1) ... [2021-11-19 15:45:19,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:45:19,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:45:23,091 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_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-19 15:45:23,193 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:23,228 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:45:23,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:45:23,795 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_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-19 15:45:23,809 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:23,834 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:45:24,451 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_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-19 15:45:24,491 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:24,724 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:45:24,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24 WrapperNode [2021-11-19 15:45:24,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:24,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:45:24,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:45:24,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:45:24,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:24,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,155 INFO L137 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6937 [2021-11-19 15:45:25,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:45:25,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:45:25,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:45:25,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:45:25,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:45:25,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:45:25,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:45:25,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:45:25,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (1/1) ... [2021-11-19 15:45:25,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:25,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:45:25,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:45:25,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:45:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-11-19 15:45:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-11-19 15:45:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-11-19 15:45:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-11-19 15:45:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2021-11-19 15:45:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2021-11-19 15:45:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 15:45:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 15:45:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 15:45:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 15:45:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 15:45:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 15:45:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 15:45:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 15:45:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-19 15:45:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-19 15:45:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 15:45:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 15:45:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 15:45:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 15:45:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 15:45:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 15:45:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2021-11-19 15:45:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2021-11-19 15:45:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-11-19 15:45:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-11-19 15:45:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 15:45:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 15:45:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 15:45:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-11-19 15:45:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-11-19 15:45:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-19 15:45:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-19 15:45:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2021-11-19 15:45:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2021-11-19 15:45:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-11-19 15:45:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-11-19 15:45:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 15:45:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 15:45:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:45:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 15:45:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:45:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:45:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 15:45:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-19 15:45:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-19 15:45:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 15:45:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 15:45:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-11-19 15:45:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-11-19 15:45:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-11-19 15:45:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-11-19 15:45:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-11-19 15:45:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-11-19 15:45:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 15:45:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 15:45:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-19 15:45:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-19 15:45:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 15:45:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 15:45:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2021-11-19 15:45:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2021-11-19 15:45:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-11-19 15:45:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-11-19 15:45:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 15:45:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 15:45:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-11-19 15:45:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-11-19 15:45:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-11-19 15:45:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-11-19 15:45:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 15:45:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 15:45:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-11-19 15:45:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-11-19 15:45:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-19 15:45:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-19 15:45:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 15:45:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 15:45:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 15:45:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 15:45:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2021-11-19 15:45:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2021-11-19 15:45:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-19 15:45:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-19 15:45:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-11-19 15:45:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-11-19 15:45:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-19 15:45:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-19 15:45:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-11-19 15:45:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-11-19 15:45:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:45:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-19 15:45:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-19 15:45:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:45:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-19 15:45:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-19 15:45:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 15:45:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 15:45:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:45:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 15:45:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 15:45:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 15:45:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-11-19 15:45:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-11-19 15:45:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 15:45:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-11-19 15:45:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-11-19 15:45:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-19 15:45:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-19 15:45:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-19 15:45:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-19 15:45:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-11-19 15:45:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-11-19 15:45:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 15:45:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 15:45:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-19 15:45:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-19 15:45:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-19 15:45:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-19 15:45:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 15:45:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:45:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:45:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-19 15:45:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-19 15:45:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-19 15:45:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-19 15:45:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:45:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 15:45:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 15:45:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-11-19 15:45:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-11-19 15:45:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:45:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-11-19 15:45:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-11-19 15:45:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:45:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 15:45:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 15:45:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 15:45:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-11-19 15:45:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-11-19 15:45:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-11-19 15:45:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-11-19 15:45:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 15:45:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 15:45:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 15:45:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 15:45:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-19 15:45:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-19 15:45:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-11-19 15:45:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-11-19 15:45:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-11-19 15:45:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-11-19 15:45:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-11-19 15:45:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-11-19 15:45:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-11-19 15:45:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-11-19 15:45:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-11-19 15:45:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-11-19 15:45:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-11-19 15:45:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-11-19 15:45:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-11-19 15:45:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-11-19 15:45:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 15:45:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 15:45:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-19 15:45:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-19 15:45:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-19 15:45:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-19 15:45:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-19 15:45:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-19 15:45:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 15:45:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 15:45:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-19 15:45:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-19 15:45:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-11-19 15:45:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-11-19 15:45:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 15:45:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 15:45:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-11-19 15:45:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-11-19 15:45:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 15:45:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 15:45:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 15:45:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 15:45:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 15:45:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 15:45:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-19 15:45:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-19 15:45:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-11-19 15:45:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-11-19 15:45:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-19 15:45:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-19 15:45:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-11-19 15:45:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-11-19 15:45:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 15:45:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 15:45:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 15:45:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 15:45:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:45:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-11-19 15:45:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-11-19 15:45:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-11-19 15:45:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-11-19 15:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-11-19 15:45:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-11-19 15:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-11-19 15:45:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-11-19 15:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-11-19 15:45:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-11-19 15:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 15:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-11-19 15:45:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-11-19 15:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:45:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:45:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 15:45:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 15:45:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 15:45:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 15:45:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-19 15:45:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-19 15:45:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-11-19 15:45:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-11-19 15:45:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-19 15:45:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-19 15:45:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-11-19 15:45:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-11-19 15:45:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-11-19 15:45:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-11-19 15:45:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-11-19 15:45:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-11-19 15:45:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-19 15:45:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-19 15:45:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2021-11-19 15:45:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2021-11-19 15:45:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 15:45:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 15:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-11-19 15:45:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-11-19 15:45:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-19 15:45:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-19 15:45:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 15:45:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 15:45:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-11-19 15:45:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-11-19 15:45:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-11-19 15:45:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-11-19 15:45:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-11-19 15:45:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-11-19 15:45:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-11-19 15:45:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-11-19 15:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 15:45:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 15:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-19 15:45:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-19 15:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 15:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 15:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 15:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 15:45:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 15:45:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 15:45:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-19 15:45:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-19 15:45:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-19 15:45:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-19 15:45:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-19 15:45:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-19 15:45:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-11-19 15:45:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-11-19 15:45:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 15:45:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 15:45:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 15:45:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 15:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-11-19 15:45:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-11-19 15:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-19 15:45:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-19 15:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-19 15:45:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-19 15:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-11-19 15:45:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-11-19 15:45:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-11-19 15:45:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-11-19 15:45:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-19 15:45:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-11-19 15:45:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 15:45:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 15:45:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 15:45:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 15:45:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-11-19 15:45:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-11-19 15:45:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-11-19 15:45:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-11-19 15:45:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 15:45:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 15:45:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-11-19 15:45:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-11-19 15:45:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-19 15:45:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-19 15:45:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-11-19 15:45:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-11-19 15:45:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-19 15:45:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-19 15:45:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-11-19 15:45:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-11-19 15:45:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-19 15:45:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-19 15:45:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-19 15:45:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-19 15:45:27,128 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:45:27,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:47:29,132 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:47:29,163 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:47:29,163 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 15:47:29,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:47:29 BoogieIcfgContainer [2021-11-19 15:47:29,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:47:29,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:47:29,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:47:29,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:47:29,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:45:19" (1/3) ... [2021-11-19 15:47:29,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6b6102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:47:29, skipping insertion in model container [2021-11-19 15:47:29,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:24" (2/3) ... [2021-11-19 15:47:29,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6b6102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:47:29, skipping insertion in model container [2021-11-19 15:47:29,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:47:29" (3/3) ... [2021-11-19 15:47:29,186 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-19 15:47:29,194 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:47:29,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:47:29,310 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:47:29,321 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 15:47:29,321 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:47:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) [2021-11-19 15:47:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 15:47:29,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:29,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:29,434 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:29,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:29,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2021-11-19 15:47:29,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:29,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931870002] [2021-11-19 15:47:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:29,467 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:29,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:29,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:47:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:31,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:47:31,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:32,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:32,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:32,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931870002] [2021-11-19 15:47:32,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931870002] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:32,427 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:32,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:47:32,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15046066] [2021-11-19 15:47:32,429 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:32,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:47:32,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:32,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:47:32,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:32,491 INFO L87 Difference]: Start difference. First operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) 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) [2021-11-19 15:47:33,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:33,513 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2021-11-19 15:47:33,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:47:33,516 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 [2021-11-19 15:47:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:33,608 INFO L225 Difference]: With dead ends: 7879 [2021-11-19 15:47:33,608 INFO L226 Difference]: Without dead ends: 5192 [2021-11-19 15:47:33,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:33,657 INFO L933 BasicCegarLoop]: 4739 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8644 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:33,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3828 Valid, 8644 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 15:47:33,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2021-11-19 15:47:34,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2021-11-19 15:47:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 3652 states have (on average 1.362541073384447) internal successors, (4976), 3776 states have internal predecessors, (4976), 1263 states have call successors, (1263), 275 states have call predecessors, (1263), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2021-11-19 15:47:34,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2021-11-19 15:47:34,182 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2021-11-19 15:47:34,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:34,183 INFO L470 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2021-11-19 15:47:34,183 INFO L471 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) [2021-11-19 15:47:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2021-11-19 15:47:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 15:47:34,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:34,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:34,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 15:47:34,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:34,409 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:34,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2021-11-19 15:47:34,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:34,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520143666] [2021-11-19 15:47:34,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:34,414 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:34,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:34,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:34,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:47:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:36,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:47:36,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:37,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:37,273 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:37,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520143666] [2021-11-19 15:47:37,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520143666] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:37,273 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:37,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:47:37,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320610385] [2021-11-19 15:47:37,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:37,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:47:37,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:37,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:47:37,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:37,276 INFO L87 Difference]: Start difference. First operand 5189 states and 7691 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) [2021-11-19 15:47:37,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:37,822 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2021-11-19 15:47:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:47:37,823 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 [2021-11-19 15:47:37,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:37,878 INFO L225 Difference]: With dead ends: 5191 [2021-11-19 15:47:37,878 INFO L226 Difference]: Without dead ends: 5188 [2021-11-19 15:47:37,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:37,885 INFO L933 BasicCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:37,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3807 Valid, 3813 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 15:47:37,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2021-11-19 15:47:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2021-11-19 15:47:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 3652 states have (on average 1.3622672508214677) internal successors, (4975), 3775 states have internal predecessors, (4975), 1262 states have call successors, (1262), 275 states have call predecessors, (1262), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2021-11-19 15:47:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2021-11-19 15:47:38,402 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2021-11-19 15:47:38,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:38,403 INFO L470 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2021-11-19 15:47:38,403 INFO L471 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) [2021-11-19 15:47:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2021-11-19 15:47:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 15:47:38,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:38,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:38,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:38,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:38,620 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:38,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:38,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2021-11-19 15:47:38,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:38,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073503345] [2021-11-19 15:47:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:38,624 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:38,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:38,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:47:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:40,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:47:40,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:41,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:41,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:41,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073503345] [2021-11-19 15:47:41,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073503345] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:41,288 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:41,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:47:41,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712712110] [2021-11-19 15:47:41,289 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:41,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:47:41,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:41,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:47:41,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:41,290 INFO L87 Difference]: Start difference. First operand 5188 states and 7689 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) [2021-11-19 15:47:41,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:41,860 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2021-11-19 15:47:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:47:41,894 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 [2021-11-19 15:47:41,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:41,946 INFO L225 Difference]: With dead ends: 5190 [2021-11-19 15:47:41,946 INFO L226 Difference]: Without dead ends: 5183 [2021-11-19 15:47:41,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:41,956 INFO L933 BasicCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:41,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 15:47:41,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2021-11-19 15:47:42,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2021-11-19 15:47:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3648 states have (on average 1.361842105263158) internal successors, (4968), 3770 states have internal predecessors, (4968), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2021-11-19 15:47:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2021-11-19 15:47:42,396 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2021-11-19 15:47:42,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:42,396 INFO L470 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2021-11-19 15:47:42,397 INFO L471 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) [2021-11-19 15:47:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2021-11-19 15:47:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-19 15:47:42,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:42,415 INFO L514 BasicCegarLoop]: 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] [2021-11-19 15:47:42,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:42,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:42,632 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:42,633 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2021-11-19 15:47:42,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:42,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356079736] [2021-11-19 15:47:42,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:42,638 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:42,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:42,639 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:42,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:47:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:44,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2125 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:47:44,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:45,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 15:47:45,588 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:45,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356079736] [2021-11-19 15:47:45,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356079736] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:45,589 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:45,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:47:45,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517977065] [2021-11-19 15:47:45,590 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:45,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:47:45,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:45,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:47:45,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:45,592 INFO L87 Difference]: Start difference. First operand 5183 states and 7681 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-19 15:47:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:46,188 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2021-11-19 15:47:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:47:46,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 55 [2021-11-19 15:47:46,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:46,245 INFO L225 Difference]: With dead ends: 10365 [2021-11-19 15:47:46,245 INFO L226 Difference]: Without dead ends: 5185 [2021-11-19 15:47:46,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:46,314 INFO L933 BasicCegarLoop]: 3805 mSDtfsCounter, 0 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7603 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 [2021-11-19 15:47:46,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7603 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:47:46,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2021-11-19 15:47:46,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2021-11-19 15:47:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3648 states have (on average 1.3601973684210527) internal successors, (4962), 3770 states have internal predecessors, (4962), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2021-11-19 15:47:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2021-11-19 15:47:46,831 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2021-11-19 15:47:46,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:46,832 INFO L470 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2021-11-19 15:47:46,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-19 15:47:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2021-11-19 15:47:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-19 15:47:46,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:46,844 INFO L514 BasicCegarLoop]: 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, 1, 1] [2021-11-19 15:47:46,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:47,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:47,060 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:47,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:47,060 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2021-11-19 15:47:47,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:47,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337675760] [2021-11-19 15:47:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:47,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:47,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:47,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:47,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:49:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 15:49:31,486 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 15:51:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 15:51:37,090 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-19 15:51:37,090 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 15:51:37,091 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 15:51:37,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:51:37,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:51:37,312 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 15:51:37,316 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 15:51:37,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 03:51:37 BoogieIcfgContainer [2021-11-19 15:51:37,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 15:51:37,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 15:51:37,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 15:51:37,474 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 15:51:37,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:47:29" (3/4) ... [2021-11-19 15:51:37,478 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 15:51:37,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 15:51:37,479 INFO L158 Benchmark]: Toolchain (without parser) took 377893.80ms. Allocated memory was 62.9MB in the beginning and 1.2GB in the end (delta: 1.2GB). Free memory was 38.4MB in the beginning and 755.2MB in the end (delta: -716.8MB). Peak memory consumption was 469.9MB. Max. memory is 16.1GB. [2021-11-19 15:51:37,479 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:51:37,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5134.90ms. Allocated memory was 62.9MB in the beginning and 260.0MB in the end (delta: 197.1MB). Free memory was 38.2MB in the beginning and 169.8MB in the end (delta: -131.5MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. [2021-11-19 15:51:37,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 431.75ms. Allocated memory is still 260.0MB. Free memory was 169.8MB in the beginning and 126.8MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-19 15:51:37,481 INFO L158 Benchmark]: Boogie Preprocessor took 485.98ms. Allocated memory is still 260.0MB. Free memory was 126.8MB in the beginning and 117.2MB in the end (delta: 9.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2021-11-19 15:51:37,481 INFO L158 Benchmark]: RCFGBuilder took 123525.77ms. Allocated memory was 260.0MB in the beginning and 1.0GB in the end (delta: 780.1MB). Free memory was 117.2MB in the beginning and 773.9MB in the end (delta: -656.7MB). Peak memory consumption was 609.5MB. Max. memory is 16.1GB. [2021-11-19 15:51:37,482 INFO L158 Benchmark]: TraceAbstraction took 248298.85ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 209.7MB). Free memory was 773.9MB in the beginning and 755.2MB in the end (delta: 18.7MB). Peak memory consumption was 228.4MB. Max. memory is 16.1GB. [2021-11-19 15:51:37,482 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 1.2GB. Free memory is still 755.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:51:37,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5134.90ms. Allocated memory was 62.9MB in the beginning and 260.0MB in the end (delta: 197.1MB). Free memory was 38.2MB in the beginning and 169.8MB in the end (delta: -131.5MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 431.75ms. Allocated memory is still 260.0MB. Free memory was 169.8MB in the beginning and 126.8MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 485.98ms. Allocated memory is still 260.0MB. Free memory was 126.8MB in the beginning and 117.2MB in the end (delta: 9.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * RCFGBuilder took 123525.77ms. Allocated memory was 260.0MB in the beginning and 1.0GB in the end (delta: 780.1MB). Free memory was 117.2MB in the beginning and 773.9MB in the end (delta: -656.7MB). Peak memory consumption was 609.5MB. Max. memory is 16.1GB. * TraceAbstraction took 248298.85ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 209.7MB). Free memory was 773.9MB in the beginning and 755.2MB in the end (delta: 18.7MB). Peak memory consumption was 228.4MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 1.2GB. Free memory is still 755.2MB. 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: 13398]: 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 12414. Possible FailurePath: [L7468] static bool ap_mode_default ; [L7469-L7483] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7484-L7497] static struct ieee80211_rate const mwl8k_rates_24[13U] = { {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}}; [L7498-L7501] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {1, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7502-L7510] static struct ieee80211_rate const mwl8k_rates_50[8U] = { {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}}; [L8149] static struct rxd_ops rxd_ap_ops = {32, & mwl8k_rxd_ap_init, & mwl8k_rxd_ap_refill, & mwl8k_rxd_ap_process}; [L8226] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L12378-L12384] 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, 0, 0, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, 0, & mwl8k_set_key, 0, 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, 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, 0, 0, 0, 0, 0, 0, 0}; [L12414-L12421] static struct mwl8k_device_info mwl8k_info_tbl[4U] = { {(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-3.fw", & rxd_ap_ops, 3U}, {(char *)"88w8764", 0, 0, (char *)"mwl8k/fmimage_8764_ap-1.fw", & rxd_ap_ops, 1U}}; [L12422] struct pci_device_id const __mod_pci_device_table ; [L12804-L12805] static struct ieee80211_iface_limit const ap_if_limits[2U] = { {8U, 8U}, {1U, 4U}}; [L12806-L12807] static struct ieee80211_iface_combination const ap_if_comb = {(struct ieee80211_iface_limit const *)(& ap_if_limits), 1U, 8U, 2U, (_Bool)0, (unsigned char)0}; [L13105] int LDV_IN_INTERRUPT ; [L13408] static int ldv_mutex_fw_mutex_of_mwl8k_priv ; [L13515] static int ldv_mutex_lock ; [L13622] static int ldv_mutex_mutex_of_device ; 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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_fw_mutex_of_mwl8k_priv=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L13108] void *var_mwl8k_rxd_ap_init_13_p0 ; [L13109] dma_addr_t var_mwl8k_rxd_ap_init_13_p1 ; [L13110] void *var_mwl8k_rxd_ap_refill_14_p0 ; [L13111] dma_addr_t var_mwl8k_rxd_ap_refill_14_p1 ; [L13112] int var_mwl8k_rxd_ap_refill_14_p2 ; [L13113] void *var_mwl8k_rxd_ap_process_15_p0 ; [L13114] struct ieee80211_rx_status *var_group1 ; [L13115] __le16 *var_mwl8k_rxd_ap_process_15_p2 ; [L13116] s8 *var_mwl8k_rxd_ap_process_15_p3 ; [L13117] void *var_mwl8k_rxd_sta_init_16_p0 ; [L13118] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L13119] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L13120] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L13121] int var_mwl8k_rxd_sta_refill_17_p2 ; [L13122] void *var_mwl8k_rxd_sta_process_18_p0 ; [L13123] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L13124] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L13125] struct ieee80211_hw *var_group2 ; [L13126] struct ieee80211_tx_control *var_group3 ; [L13127] struct sk_buff *var_mwl8k_tx_100_p2 ; [L13128] struct ieee80211_vif *var_group4 ; [L13129] u32 var_mwl8k_config_107_p1 ; [L13130] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_110_p2 ; [L13131] u32 var_mwl8k_bss_info_changed_110_p3 ; [L13132] struct netdev_hw_addr_list *var_group5 ; [L13133] unsigned int var_mwl8k_configure_filter_114_p1 ; [L13134] unsigned int *var_mwl8k_configure_filter_114_p2 ; [L13135] u64 var_mwl8k_configure_filter_114_p3 ; [L13136] enum set_key_cmd var_mwl8k_set_key_94_p1 ; [L13137] struct ieee80211_vif *var_mwl8k_set_key_94_p2 ; [L13138] struct ieee80211_sta *var_mwl8k_set_key_94_p3 ; [L13139] struct ieee80211_key_conf *var_mwl8k_set_key_94_p4 ; [L13140] u32 var_mwl8k_set_rts_threshold_115_p1 ; [L13141] struct ieee80211_sta *var_mwl8k_sta_add_117_p2 ; [L13142] struct ieee80211_sta *var_mwl8k_sta_remove_116_p2 ; [L13143] u16 var_mwl8k_conf_tx_118_p2 ; [L13144] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_118_p3 ; [L13145] struct ieee80211_low_level_stats *var_group6 ; [L13146] int var_mwl8k_get_survey_120_p1 ; [L13147] struct survey_info *var_mwl8k_get_survey_120_p2 ; [L13148] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_121_p2 ; [L13149] struct ieee80211_sta *var_mwl8k_ampdu_action_121_p3 ; [L13150] u16 var_mwl8k_ampdu_action_121_p4 ; [L13151] u16 *var_mwl8k_ampdu_action_121_p5 ; [L13152] u8 var_mwl8k_ampdu_action_121_p6 ; [L13153] struct pci_dev *var_group7 ; [L13154] struct pci_device_id const *var_mwl8k_probe_130_p1 ; [L13155] int res_mwl8k_probe_130 ; [L13156] int var_mwl8k_interrupt_97_p0 ; [L13157] void *var_mwl8k_interrupt_97_p1 ; [L13158] int ldv_s_mwl8k_driver_pci_driver ; [L13159] int tmp ; [L13160] int tmp___0 ; [L13162] ldv_s_mwl8k_driver_pci_driver = 0 [L13163] LDV_IN_INTERRUPT = 1 [L13164] CALL ldv_initialize() [L13732] ldv_mutex_fw_mutex_of_mwl8k_priv = 1 [L13733] ldv_mutex_lock = 1 [L13734] ldv_mutex_mutex_of_device = 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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L13164] RET ldv_initialize() [L13302] tmp___0 = __VERIFIER_nondet_int() [L13303] 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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp___0=2148007936] [L13167] tmp = __VERIFIER_nondet_int() [L13169] case 0: [L13173] case 1: [L13178] case 2: [L13183] case 3: [L13187] case 4: [L13192] case 5: [L13197] case 6: [L13201] case 7: [L13205] case 8: [L13209] case 9: [L13213] case 10: [L13217] case 11: [L13221] 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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp=12, tmp___0=2148007936] [L13222] 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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp=12, tmp___0=2148007936] [L13223-L13224] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_110_p2, var_mwl8k_bss_info_changed_110_p3) [L11975] EXPR vif->type VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}, vif->type=3] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}, vif->type=3] [L11979] COND TRUE (unsigned int )vif->type == 3U [L11980] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11920] int rc ; [L11921] int tmp ; [L11922] int idx ; [L11923] int rate ; [L11924] struct sk_buff *skb ; VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}] [L11926] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L9337] struct mwl8k_priv *priv ; [L9338] int rc ; [L9339] struct task_struct *tmp ; [L9341] EXPR hw->priv [L9341] priv = (struct mwl8k_priv *)hw->priv [L9342] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L6467] struct task_struct *pfo_ret__ ; [L6470] case 1UL: [L6473] case 2UL: [L6476] case 4UL: [L6479] case 8UL: VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L6486] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, \result={9007212274909216:576460756598390784}, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, pfo_ret__={9007212274909216:576460756598390784}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L9342] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, get_current()={9007212274909216:576460756598390784}, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, priv={4611686052787191808:1125899906840931}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L9342] tmp = get_current() [L9343] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, priv={4611686052787191808:1125899906840931}, priv->fw_mutex_owner={580401419258920988:5066549614379012}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp={9007212274909216:576460756598390784}] [L9343] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L9359] EXPR priv->fw_mutex_depth [L9359] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L9360] return (0); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, priv={4611686052787191808:1125899906840931}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp={9007212274909216:576460756598390784}] [L11926] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}] [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp=0, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp=0, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp=0, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp=0, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=2097152, __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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, changed=2097152, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, info={687:688}, info={687:688}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}, tmp=0, vif={1152921504606855168:-9223372036854775808}, vif={1152921504606855168:-9223372036854775808}] [L11967] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L9365] struct mwl8k_priv *priv ; [L9367] EXPR hw->priv [L9367] priv = (struct mwl8k_priv *)hw->priv [L9368] EXPR priv->fw_mutex_depth [L9368] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L9369] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, priv={4611686052787191808:1125899906840931}, priv->fw_mutex_depth=0, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L9369] COND TRUE priv->fw_mutex_depth == 0 [L9370] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, hw={4611686052787191808:1125899906842574}, hw={4611686052787191808:1125899906842574}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, priv={4611686052787191808:1125899906840931}, priv->hw_restart_in_progress=-128, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L9370] COND FALSE !(! priv->hw_restart_in_progress) [L9374] priv->fw_mutex_owner = 0 [L9375] CALL ldv_mutex_unlock_8(& priv->fw_mutex) [L13376] CALL ldv_mutex_unlock_fw_mutex_of_mwl8k_priv(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={4611686052787191808:1125899906842457}, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L13507] COND FALSE !(ldv_mutex_fw_mutex_of_mwl8k_priv == 2) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={4611686052787191808:1125899906842457}, lock={4611686052787191808:1125899906842457}, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L13509] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] [L13398] reach_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=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_if_comb={-4611686018427387649:0}, ap_if_limits={18031990695526808:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={288230376151711839:0}, mwl8k_channels_50={239:0}, mwl8k_info_tbl={-4035225266123964230:0}, mwl8k_ops={-4611686018427387673:0}, mwl8k_rates_24={191:0}, mwl8k_rates_50={255:0}, rxd_ap_ops={-9223354444668731105:0}, rxd_sta_ops={-4035225266123964231:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 140 procedures, 2660 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 248.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11439 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11439 mSDsluCounter, 23872 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7703 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 16169 mSDtfsCounter, 23 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5189occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 109.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 8080 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 [2021-11-19 15:51:37,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0acf3b5-f3ee-4709-9424-85127c8a2cfb/bin/utaipan-UbGMyvGFUs/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