./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.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_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/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_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/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_29b07292-bf45-4433-8612-e43c36f9f46d/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 3b1986f893b92b583df635a6037935ebceab765520aec8f1f2d3a2b6ea37b26f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:18:36,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:18:36,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:18:36,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:18:36,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:18:36,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:18:36,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:18:36,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:18:36,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:18:36,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:18:36,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:18:36,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:18:36,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:18:36,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:18:36,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:18:36,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:18:36,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:18:36,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:18:36,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:18:36,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:18:36,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:18:36,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:18:36,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:18:36,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:18:36,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:18:36,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:18:36,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:18:36,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:18:36,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:18:36,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:18:36,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:18:36,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:18:36,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:18:36,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:18:36,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:18:36,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:18:36,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:18:36,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:18:36,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:18:36,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:18:36,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:18:36,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:18:36,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:18:36,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:18:36,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:18:36,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:18:36,240 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:18:36,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:18:36,241 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:18:36,241 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:18:36,249 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:18:36,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:18:36,250 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:18:36,251 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:18:36,251 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:18:36,251 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:18:36,251 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:18:36,252 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:18:36,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:18:36,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:18:36,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:18:36,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:18:36,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:18:36,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:18:36,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:18:36,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:18:36,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:18:36,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:18:36,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:18:36,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:18:36,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:36,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:18:36,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:18:36,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:18:36,259 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:18:36,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:18:36,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:18:36,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:18:36,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:18:36,260 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_29b07292-bf45-4433-8612-e43c36f9f46d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b1986f893b92b583df635a6037935ebceab765520aec8f1f2d3a2b6ea37b26f [2021-11-19 13:18:36,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:18:36,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:18:36,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:18:36,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:18:36,672 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:18:36,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:36,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/be95498b1/976a03412d9d45e3970fbc5a03c7dea4/FLAG1f39fabbd [2021-11-19 13:18:38,079 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:18:38,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:38,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/be95498b1/976a03412d9d45e3970fbc5a03c7dea4/FLAG1f39fabbd [2021-11-19 13:18:38,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/be95498b1/976a03412d9d45e3970fbc5a03c7dea4 [2021-11-19 13:18:38,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:18:38,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:18:38,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:38,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:18:38,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:18:38,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:38" (1/1) ... [2021-11-19 13:18:38,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdb8572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:38, skipping insertion in model container [2021-11-19 13:18:38,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:38" (1/1) ... [2021-11-19 13:18:38,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:18:38,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:18:43,182 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 13:18:43,637 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 13:18:43,720 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 13:18:43,933 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 13:18:43,956 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 13:18:43,960 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 13:18:44,006 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 13:18:44,049 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 13:18:44,796 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 13:18:44,847 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 13:18:44,924 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 13:18:44,935 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 13:18:45,612 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 13:18:46,956 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749649,749662] [2021-11-19 13:18:46,958 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749796,749809] [2021-11-19 13:18:46,959 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749935,749948] [2021-11-19 13:18:46,960 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[750093,750106] [2021-11-19 13:18:47,001 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:18:47,100 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 13:18:47,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f3e4f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:47, skipping insertion in model container [2021-11-19 13:18:47,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:47,101 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:18:47,104 INFO L158 Benchmark]: Toolchain (without parser) took 8514.03ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 76.7MB in the beginning and 137.5MB in the end (delta: -60.8MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2021-11-19 13:18:47,105 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 53.1MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:18:47,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8510.75ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 76.7MB in the beginning and 137.5MB in the end (delta: -60.8MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2021-11-19 13:18:47,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 53.1MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8510.75ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 76.7MB in the beginning and 137.5MB in the end (delta: -60.8MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8243]: 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_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/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_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/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_29b07292-bf45-4433-8612-e43c36f9f46d/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 3b1986f893b92b583df635a6037935ebceab765520aec8f1f2d3a2b6ea37b26f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:18:49,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:18:49,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:18:49,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:18:49,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:18:49,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:18:49,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:18:49,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:18:49,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:18:49,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:18:49,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:18:49,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:18:49,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:18:49,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:18:49,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:18:49,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:18:49,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:18:49,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:18:49,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:18:49,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:18:49,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:18:49,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:18:49,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:18:49,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:18:49,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:18:49,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:18:49,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:18:49,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:18:49,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:18:49,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:18:49,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:18:49,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:18:49,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:18:49,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:18:49,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:18:49,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:18:49,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:18:49,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:18:49,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:18:49,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:18:49,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:18:49,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:18:49,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:18:49,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:18:49,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:18:49,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:18:49,891 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:18:49,891 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:18:49,891 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:18:49,892 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:18:49,892 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:18:49,892 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:18:49,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:18:49,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:18:49,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:18:49,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:18:49,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:18:49,897 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:18:49,897 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:18:49,897 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:18:49,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:18:49,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:18:49,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:18:49,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:18:49,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:18:49,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:18:49,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:49,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:18:49,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:18:49,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:18:49,900 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:18:49,901 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:18:49,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:18:49,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:18:49,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:18:49,902 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_29b07292-bf45-4433-8612-e43c36f9f46d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b1986f893b92b583df635a6037935ebceab765520aec8f1f2d3a2b6ea37b26f [2021-11-19 13:18:50,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:18:50,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:18:50,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:18:50,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:18:50,376 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:18:50,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:50,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/560659915/8b23c8e6f8a241a8a2925b3884dcf465/FLAGae6a7560f [2021-11-19 13:18:51,899 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:18:51,901 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:52,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/560659915/8b23c8e6f8a241a8a2925b3884dcf465/FLAGae6a7560f [2021-11-19 13:18:52,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/data/560659915/8b23c8e6f8a241a8a2925b3884dcf465 [2021-11-19 13:18:52,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:18:52,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:18:52,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:52,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:18:52,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:18:52,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e56cf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52, skipping insertion in model container [2021-11-19 13:18:52,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:18:52,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:19:01,119 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749649,749662] [2021-11-19 13:19:01,123 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749796,749809] [2021-11-19 13:19:01,124 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749935,749948] [2021-11-19 13:19:01,125 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[750093,750106] [2021-11-19 13:19:01,187 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:19:01,321 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:19:01,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:19:02,416 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749649,749662] [2021-11-19 13:19:02,417 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749796,749809] [2021-11-19 13:19:02,418 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749935,749948] [2021-11-19 13:19:02,419 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[750093,750106] [2021-11-19 13:19:02,439 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:19:02,504 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:19:03,498 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749649,749662] [2021-11-19 13:19:03,498 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749796,749809] [2021-11-19 13:19:03,499 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[749935,749948] [2021-11-19 13:19:03,500 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_29b07292-bf45-4433-8612-e43c36f9f46d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i[750093,750106] [2021-11-19 13:19:03,511 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:19:04,207 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:19:04,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04 WrapperNode [2021-11-19 13:19:04,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:19:04,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:19:04,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:19:04,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:19:04,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:04,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,167 INFO L137 Inliner]: procedures = 634, calls = 11504, calls flagged for inlining = 313, calls inlined = 248, statements flattened = 12476 [2021-11-19 13:19:05,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:19:05,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:19:05,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:19:05,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:19:05,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:19:05,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:19:05,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:19:05,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:19:05,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (1/1) ... [2021-11-19 13:19:05,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:19:05,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:19:05,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:19:05,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:19:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:19:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:19:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:19:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:19:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-11-19 13:19:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-11-19 13:19:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-11-19 13:19:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-11-19 13:19:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-11-19 13:19:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-11-19 13:19:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:19:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:19:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 13:19:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 13:19:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-19 13:19:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-19 13:19:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-11-19 13:19:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-11-19 13:19:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-11-19 13:19:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-11-19 13:19:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:19:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:19:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 13:19:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 13:19:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-11-19 13:19:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-11-19 13:19:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-11-19 13:19:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-11-19 13:19:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 13:19:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 13:19:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:19:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:19:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:19:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:19:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:19:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:19:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:19:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:19:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:19:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:19:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-11-19 13:19:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-11-19 13:19:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:19:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:19:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:19:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:19:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-11-19 13:19:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-11-19 13:19:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-11-19 13:19:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-11-19 13:19:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-11-19 13:19:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-11-19 13:19:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 13:19:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 13:19:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:19:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:19:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:19:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:19:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:19:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-11-19 13:19:05,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-11-19 13:19:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:19:05,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:19:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-11-19 13:19:05,946 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-11-19 13:19:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:19:05,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:19:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-11-19 13:19:05,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-11-19 13:19:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-11-19 13:19:05,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-11-19 13:19:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:19:05,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:19:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-11-19 13:19:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-11-19 13:19:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:19:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:19:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-19 13:19:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-19 13:19:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:19:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:19:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 13:19:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 13:19:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-11-19 13:19:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-11-19 13:19:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:19:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:19:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-11-19 13:19:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-11-19 13:19:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:19:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:19:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-11-19 13:19:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-11-19 13:19:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-11-19 13:19:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-11-19 13:19:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:19:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:19:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:19:05,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:19:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:19:05,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:19:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:19:05,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:19:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 13:19:05,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 13:19:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:19:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:19:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:19:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:19:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-11-19 13:19:05,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-11-19 13:19:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:19:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:19:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-11-19 13:19:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-11-19 13:19:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-11-19 13:19:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-11-19 13:19:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-11-19 13:19:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-11-19 13:19:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:19:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:19:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:19:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:19:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:19:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:19:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-11-19 13:19:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-11-19 13:19:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:19:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:19:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-19 13:19:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-19 13:19:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:19:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:19:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:19:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-19 13:19:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-19 13:19:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:19:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:19:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:19:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:19:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-11-19 13:19:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-11-19 13:19:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-11-19 13:19:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-11-19 13:19:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-11-19 13:19:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-11-19 13:19:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:19:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:19:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:19:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:19:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-11-19 13:19:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-11-19 13:19:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-11-19 13:19:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-11-19 13:19:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 13:19:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 13:19:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-11-19 13:19:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-11-19 13:19:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:19:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-19 13:19:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-19 13:19:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:19:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:19:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 13:19:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 13:19:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-11-19 13:19:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-11-19 13:19:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-11-19 13:19:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-11-19 13:19:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:19:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 13:19:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 13:19:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:19:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:19:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:19:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:19:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:19:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:19:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:19:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-11-19 13:19:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-11-19 13:19:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 13:19:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 13:19:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-11-19 13:19:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-11-19 13:19:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-11-19 13:19:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-11-19 13:19:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-11-19 13:19:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-11-19 13:19:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-11-19 13:19:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-11-19 13:19:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 13:19:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 13:19:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-11-19 13:19:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-11-19 13:19:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-11-19 13:19:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-11-19 13:19:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-11-19 13:19:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-11-19 13:19:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-11-19 13:19:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-11-19 13:19:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:19:05,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:19:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 13:19:05,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 13:19:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-11-19 13:19:05,991 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-11-19 13:19:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-11-19 13:19:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-11-19 13:19:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 13:19:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 13:19:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:19:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:19:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:19:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:19:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-11-19 13:19:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-11-19 13:19:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 13:19:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 13:19:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 13:19:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 13:19:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:19:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:19:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:19:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:19:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:19:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-11-19 13:19:05,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-11-19 13:19:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:19:05,995 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:19:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-11-19 13:19:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-11-19 13:19:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:19:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-11-19 13:19:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-11-19 13:19:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-11-19 13:19:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-11-19 13:19:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-11-19 13:19:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-11-19 13:19:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-11-19 13:19:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-11-19 13:19:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-11-19 13:19:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-11-19 13:19:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:19:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:19:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:19:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-19 13:19:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-19 13:19:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:19:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:19:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-11-19 13:19:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-11-19 13:19:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 13:19:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 13:19:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 13:19:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 13:19:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:19:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:19:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-11-19 13:19:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-11-19 13:19:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-11-19 13:19:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-11-19 13:19:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 13:19:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 13:19:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:19:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:19:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-11-19 13:19:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-11-19 13:19:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:19:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:19:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:19:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:19:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 13:19:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 13:19:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-11-19 13:19:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-11-19 13:19:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-11-19 13:19:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-11-19 13:19:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-11-19 13:19:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-11-19 13:19:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-19 13:19:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-19 13:19:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-11-19 13:19:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-11-19 13:19:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:19:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:19:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-19 13:19:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-19 13:19:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:19:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:19:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-19 13:19:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-19 13:19:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-11-19 13:19:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-11-19 13:19:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-11-19 13:19:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-11-19 13:19:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-19 13:19:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-19 13:19:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:19:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:19:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:19:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:19:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:19:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:19:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-11-19 13:19:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-11-19 13:19:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:19:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:19:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-11-19 13:19:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-11-19 13:19:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-11-19 13:19:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-11-19 13:19:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-11-19 13:19:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-11-19 13:19:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:19:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:19:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-11-19 13:19:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-11-19 13:19:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:19:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:19:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 13:19:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 13:19:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-11-19 13:19:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-11-19 13:19:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:19:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:19:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 13:19:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 13:19:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 13:19:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 13:19:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:19:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:19:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 13:19:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 13:19:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-11-19 13:19:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-11-19 13:19:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 13:19:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 13:19:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-11-19 13:19:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-11-19 13:19:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 13:19:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-11-19 13:19:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-11-19 13:19:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-11-19 13:19:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-11-19 13:19:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-11-19 13:19:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-11-19 13:19:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-11-19 13:19:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-11-19 13:19:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:19:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:19:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 13:19:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 13:19:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-11-19 13:19:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-11-19 13:19:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-11-19 13:19:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-11-19 13:19:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 13:19:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 13:19:07,587 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:19:07,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:19:08,004 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:26:28,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:26:29,288 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:26:29,330 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:26:29,331 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 13:26:29,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:29 BoogieIcfgContainer [2021-11-19 13:26:29,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:26:29,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:26:29,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:26:29,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:26:29,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:18:52" (1/3) ... [2021-11-19 13:26:29,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae47659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:29, skipping insertion in model container [2021-11-19 13:26:29,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:04" (2/3) ... [2021-11-19 13:26:29,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae47659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:29, skipping insertion in model container [2021-11-19 13:26:29,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:29" (3/3) ... [2021-11-19 13:26:29,352 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:26:29,368 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:26:29,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 13:26:29,458 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:26:29,467 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 13:26:29,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 13:26:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 3699 states, 2663 states have (on average 1.3435974464889222) internal successors, (3578), 2679 states have internal predecessors, (3578), 872 states have call successors, (872), 163 states have call predecessors, (872), 162 states have return successors, (866), 864 states have call predecessors, (866), 866 states have call successors, (866) [2021-11-19 13:26:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-19 13:26:29,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:29,747 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:26:29,748 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:29,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:29,757 INFO L85 PathProgramCache]: Analyzing trace with hash 304032355, now seen corresponding path program 1 times [2021-11-19 13:26:29,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:29,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776079259] [2021-11-19 13:26:29,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:29,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:29,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:29,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:29,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:26:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:26:44,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 8457 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:26:45,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:26:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:26:47,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:26:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:26:48,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:26:48,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776079259] [2021-11-19 13:26:48,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776079259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:26:48,978 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:26:48,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:26:48,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399237711] [2021-11-19 13:26:48,983 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:26:48,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:26:48,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:26:49,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:26:49,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:26:49,038 INFO L87 Difference]: Start difference. First operand has 3699 states, 2663 states have (on average 1.3435974464889222) internal successors, (3578), 2679 states have internal predecessors, (3578), 872 states have call successors, (872), 163 states have call predecessors, (872), 162 states have return successors, (866), 864 states have call predecessors, (866), 866 states have call successors, (866) Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:26:50,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:26:52,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:57,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:57,518 INFO L93 Difference]: Finished difference Result 14458 states and 22043 transitions. [2021-11-19 13:27:57,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:27:57,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 209 [2021-11-19 13:27:57,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:57,684 INFO L225 Difference]: With dead ends: 14458 [2021-11-19 13:27:57,684 INFO L226 Difference]: Without dead ends: 10777 [2021-11-19 13:27:57,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:27:57,784 INFO L933 BasicCegarLoop]: 6956 mSDtfsCounter, 13768 mSDsluCounter, 8593 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 1697 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13768 SdHoareTripleChecker+Valid, 15549 SdHoareTripleChecker+Invalid, 3502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1697 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:57,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13768 Valid, 15549 Invalid, 3502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1697 Valid, 1804 Invalid, 1 Unknown, 0 Unchecked, 67.4s Time] [2021-11-19 13:27:57,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10777 states. [2021-11-19 13:27:58,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10777 to 10769. [2021-11-19 13:27:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10769 states, 7772 states have (on average 1.3432835820895523) internal successors, (10440), 7817 states have internal predecessors, (10440), 2514 states have call successors, (2514), 482 states have call predecessors, (2514), 481 states have return successors, (2511), 2505 states have call predecessors, (2511), 2511 states have call successors, (2511) [2021-11-19 13:27:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10769 states to 10769 states and 15465 transitions. [2021-11-19 13:27:59,097 INFO L78 Accepts]: Start accepts. Automaton has 10769 states and 15465 transitions. Word has length 209 [2021-11-19 13:27:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:59,102 INFO L470 AbstractCegarLoop]: Abstraction has 10769 states and 15465 transitions. [2021-11-19 13:27:59,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:27:59,103 INFO L276 IsEmpty]: Start isEmpty. Operand 10769 states and 15465 transitions. [2021-11-19 13:27:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-19 13:27:59,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:59,124 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:59,348 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 13:27:59,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:27:59,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:27:59,360 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:27:59,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -752570638, now seen corresponding path program 1 times [2021-11-19 13:27:59,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:27:59,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477680367] [2021-11-19 13:27:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:59,373 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:27:59,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:27:59,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:27:59,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:28:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:15,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 8509 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:28:15,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:28:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:28:17,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:28:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:28:20,072 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:28:20,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477680367] [2021-11-19 13:28:20,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477680367] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:20,072 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:20,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:28:20,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083186692] [2021-11-19 13:28:20,073 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:20,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:28:20,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:28:20,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:28:20,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:28:20,076 INFO L87 Difference]: Start difference. First operand 10769 states and 15465 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:28:21,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:28:23,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:29:16,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:16,109 INFO L93 Difference]: Finished difference Result 31273 states and 44994 transitions. [2021-11-19 13:29:16,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:29:16,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 223 [2021-11-19 13:29:16,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:16,295 INFO L225 Difference]: With dead ends: 31273 [2021-11-19 13:29:16,295 INFO L226 Difference]: Without dead ends: 20541 [2021-11-19 13:29:16,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:29:16,355 INFO L933 BasicCegarLoop]: 6982 mSDtfsCounter, 10516 mSDsluCounter, 7914 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 1104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10516 SdHoareTripleChecker+Valid, 14896 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:16,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10516 Valid, 14896 Invalid, 2626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1104 Valid, 1521 Invalid, 1 Unknown, 0 Unchecked, 55.0s Time] [2021-11-19 13:29:16,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20541 states. [2021-11-19 13:29:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20541 to 20527. [2021-11-19 13:29:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20527 states, 15060 states have (on average 1.3574369189907038) internal successors, (20443), 15120 states have internal predecessors, (20443), 4540 states have call successors, (4540), 928 states have call predecessors, (4540), 925 states have return successors, (4537), 4523 states have call predecessors, (4537), 4537 states have call successors, (4537) [2021-11-19 13:29:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20527 states to 20527 states and 29520 transitions. [2021-11-19 13:29:17,617 INFO L78 Accepts]: Start accepts. Automaton has 20527 states and 29520 transitions. Word has length 223 [2021-11-19 13:29:17,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:17,619 INFO L470 AbstractCegarLoop]: Abstraction has 20527 states and 29520 transitions. [2021-11-19 13:29:17,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:29:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 20527 states and 29520 transitions. [2021-11-19 13:29:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-19 13:29:17,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:17,635 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:17,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:29:17,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:29:17,855 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:29:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:17,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1941347540, now seen corresponding path program 1 times [2021-11-19 13:29:17,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:29:17,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107241689] [2021-11-19 13:29:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:17,866 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:29:17,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:29:17,868 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:29:17,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:29:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:32,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 8597 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:29:32,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-11-19 13:29:49,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-11-19 13:29:57,216 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:29:57,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107241689] [2021-11-19 13:29:57,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107241689] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:57,217 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:57,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 13:29:57,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367675344] [2021-11-19 13:29:57,218 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:57,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:29:57,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:57,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:29:57,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:29:57,221 INFO L87 Difference]: Start difference. First operand 20527 states and 29520 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 13:29:58,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:00,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:00,112 INFO L93 Difference]: Finished difference Result 20527 states and 29520 transitions. [2021-11-19 13:30:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:30:00,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 274 [2021-11-19 13:30:00,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:00,256 INFO L225 Difference]: With dead ends: 20527 [2021-11-19 13:30:00,256 INFO L226 Difference]: Without dead ends: 20484 [2021-11-19 13:30:00,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:30:00,280 INFO L933 BasicCegarLoop]: 5274 mSDtfsCounter, 5158 mSDsluCounter, 5274 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5158 SdHoareTripleChecker+Valid, 10548 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:00,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5158 Valid, 10548 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 13:30:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20484 states. [2021-11-19 13:30:01,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20484 to 20445. [2021-11-19 13:30:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20445 states, 15001 states have (on average 1.356042930471302) internal successors, (20342), 15052 states have internal predecessors, (20342), 4519 states have call successors, (4519), 924 states have call predecessors, (4519), 924 states have return successors, (4519), 4513 states have call predecessors, (4519), 4519 states have call successors, (4519) [2021-11-19 13:30:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20445 states to 20445 states and 29380 transitions. [2021-11-19 13:30:01,914 INFO L78 Accepts]: Start accepts. Automaton has 20445 states and 29380 transitions. Word has length 274 [2021-11-19 13:30:01,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:01,916 INFO L470 AbstractCegarLoop]: Abstraction has 20445 states and 29380 transitions. [2021-11-19 13:30:01,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 13:30:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 20445 states and 29380 transitions. [2021-11-19 13:30:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-19 13:30:01,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:01,973 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:02,197 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-19 13:30:02,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:30:02,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:30:02,206 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:30:02,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:02,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1482672069, now seen corresponding path program 1 times [2021-11-19 13:30:02,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:30:02,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582645448] [2021-11-19 13:30:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:02,222 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:30:02,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:30:02,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:30:02,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:30:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:20,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 8694 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:30:20,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:30:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 249 proven. 3 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2021-11-19 13:30:25,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:30:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2021-11-19 13:30:30,483 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:30:30,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582645448] [2021-11-19 13:30:30,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582645448] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:30:30,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1160731902] [2021-11-19 13:30:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:30,485 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:30:30,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:30:30,487 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:30:30,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-19 13:30:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:34,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 8694 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:30:34,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:30:38,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2021-11-19 13:30:38,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:30:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2021-11-19 13:30:42,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1160731902] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:42,300 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:30:42,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-19 13:30:42,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80821279] [2021-11-19 13:30:42,301 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:42,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:30:42,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:30:42,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:30:42,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:30:42,302 INFO L87 Difference]: Start difference. First operand 20445 states and 29380 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 13:30:43,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:45,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:31:40,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:40,520 INFO L93 Difference]: Finished difference Result 53460 states and 76956 transitions. [2021-11-19 13:31:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:40,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 314 [2021-11-19 13:31:40,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:40,761 INFO L225 Difference]: With dead ends: 53460 [2021-11-19 13:31:40,761 INFO L226 Difference]: Without dead ends: 35536 [2021-11-19 13:31:40,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1252 GetRequests, 1243 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:31:40,856 INFO L933 BasicCegarLoop]: 9389 mSDtfsCounter, 8915 mSDsluCounter, 7161 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 592 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8915 SdHoareTripleChecker+Valid, 16550 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 592 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:40,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8915 Valid, 16550 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [592 Valid, 1802 Invalid, 1 Unknown, 0 Unchecked, 56.8s Time] [2021-11-19 13:31:40,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35536 states. [2021-11-19 13:31:42,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35536 to 35534. [2021-11-19 13:31:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35534 states, 26211 states have (on average 1.3617183625195528) internal successors, (35692), 26283 states have internal predecessors, (35692), 7747 states have call successors, (7747), 1575 states have call predecessors, (7747), 1575 states have return successors, (7747), 7738 states have call predecessors, (7747), 7747 states have call successors, (7747) [2021-11-19 13:31:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35534 states to 35534 states and 51186 transitions. [2021-11-19 13:31:43,367 INFO L78 Accepts]: Start accepts. Automaton has 35534 states and 51186 transitions. Word has length 314 [2021-11-19 13:31:43,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:43,368 INFO L470 AbstractCegarLoop]: Abstraction has 35534 states and 51186 transitions. [2021-11-19 13:31:43,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 13:31:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 35534 states and 51186 transitions. [2021-11-19 13:31:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-19 13:31:43,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:43,432 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:43,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b07292-bf45-4433-8612-e43c36f9f46d/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0