./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_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_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/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_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/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_abc3e051-1b4a-45ff-9093-709e0f307a5e/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 211cf819b5d875dce280647ddf0a7b777f89a64546d83ea12f5b7a4f97622e40 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:18:36,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:18:36,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:18:36,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:18:36,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:18:36,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:18:36,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:18:36,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:18:36,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:18:36,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:18:36,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:18:36,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:18:36,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:18:36,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:18:36,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:18:36,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:18:36,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:18:36,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:18:36,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:18:36,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:18:36,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:18:36,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:18:36,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:18:36,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:18:36,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:18:36,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:18:36,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:18:36,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:18:36,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:18:36,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:18:36,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:18:36,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:18:36,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:18:36,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:18:36,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:18:36,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:18:36,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:18:36,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:18:36,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:18:36,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:18:36,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:18:36,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:18:36,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:18:36,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:18:36,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:18:36,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:18:36,165 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:18:36,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:18:36,166 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:18:36,166 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:18:36,174 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:18:36,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:18:36,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:18:36,176 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:18:36,176 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:18:36,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:18:36,177 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:18:36,177 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:18:36,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:18:36,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:18:36,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:18:36,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:18:36,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:18:36,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:18:36,180 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:18:36,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:18:36,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:18:36,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:18:36,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:18:36,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:18:36,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:36,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:18:36,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:18:36,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:18:36,184 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:18:36,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:18:36,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:18:36,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:18:36,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:18:36,186 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 211cf819b5d875dce280647ddf0a7b777f89a64546d83ea12f5b7a4f97622e40 [2021-11-19 13:18:36,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:18:36,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:18:36,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:18:36,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:18:36,520 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:18:36,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:36,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/040d0d09f/a146bc5b3f3f4cc2a0118a29803f52db/FLAGb54ced1a8 [2021-11-19 13:18:38,281 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:18:38,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:38,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/040d0d09f/a146bc5b3f3f4cc2a0118a29803f52db/FLAGb54ced1a8 [2021-11-19 13:18:38,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/040d0d09f/a146bc5b3f3f4cc2a0118a29803f52db [2021-11-19 13:18:38,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:18:38,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:18:38,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:38,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:18:38,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:18:38,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:38" (1/1) ... [2021-11-19 13:18:38,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3346ffaf 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 13:18:38,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:38" (1/1) ... [2021-11-19 13:18:38,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:18:39,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:18:43,692 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 13:18:44,359 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 13:18:44,531 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 13:18:44,723 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 13:18:44,764 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 13:18:44,771 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 13:18:44,838 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 13:18:44,891 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 13:18:45,844 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 13:18:45,917 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 13:18:46,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:18:46,032 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 13:18:46,767 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 13:18:49,421 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790222,790235] [2021-11-19 13:18:49,425 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790367,790380] [2021-11-19 13:18:49,495 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:18:49,586 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 13:18:49,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71a19dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:49, skipping insertion in model container [2021-11-19 13:18:49,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:49,588 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:18:49,592 INFO L158 Benchmark]: Toolchain (without parser) took 11022.44ms. Allocated memory was 113.2MB in the beginning and 270.5MB in the end (delta: 157.3MB). Free memory was 66.7MB in the beginning and 128.8MB in the end (delta: -62.1MB). Peak memory consumption was 173.3MB. Max. memory is 16.1GB. [2021-11-19 13:18:49,593 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:18:49,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 11017.55ms. Allocated memory was 113.2MB in the beginning and 270.5MB in the end (delta: 157.3MB). Free memory was 66.2MB in the beginning and 128.8MB in the end (delta: -62.5MB). Peak memory consumption was 173.3MB. Max. memory is 16.1GB. [2021-11-19 13:18:49,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 11017.55ms. Allocated memory was 113.2MB in the beginning and 270.5MB in the end (delta: 157.3MB). Free memory was 66.2MB in the beginning and 128.8MB in the end (delta: -62.5MB). Peak memory consumption was 173.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8233]: 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/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_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/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_abc3e051-1b4a-45ff-9093-709e0f307a5e/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 211cf819b5d875dce280647ddf0a7b777f89a64546d83ea12f5b7a4f97622e40 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:18:52,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:18:52,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:18:52,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:18:52,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:18:52,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:18:52,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:18:52,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:18:52,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:18:52,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:18:52,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:18:52,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:18:52,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:18:52,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:18:52,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:18:52,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:18:52,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:18:52,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:18:52,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:18:52,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:18:52,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:18:52,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:18:52,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:18:52,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:18:52,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:18:52,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:18:52,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:18:52,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:18:52,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:18:52,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:18:52,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:18:52,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:18:52,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:18:52,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:18:52,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:18:52,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:18:52,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:18:52,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:18:52,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:18:52,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:18:52,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:18:52,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:18:52,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:18:52,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:18:52,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:18:52,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:18:52,651 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:18:52,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:18:52,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:18:52,651 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:18:52,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:18:52,652 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:18:52,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:18:52,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:18:52,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:18:52,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:18:52,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:18:52,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:18:52,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:18:52,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:18:52,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:18:52,658 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:18:52,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:18:52,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:18:52,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:18:52,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:18:52,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:52,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:18:52,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:18:52,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:18:52,661 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:18:52,662 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:18:52,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:18:52,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:18:52,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:18:52,663 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 211cf819b5d875dce280647ddf0a7b777f89a64546d83ea12f5b7a4f97622e40 [2021-11-19 13:18:53,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:18:53,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:18:53,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:18:53,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:18:53,206 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:18:53,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:53,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/1d24dd6a9/a4e7f6be34954f72ac85d7fc1df4fe68/FLAG1fc1eb0c2 [2021-11-19 13:18:55,036 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:18:55,037 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:18:55,188 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/1d24dd6a9/a4e7f6be34954f72ac85d7fc1df4fe68/FLAG1fc1eb0c2 [2021-11-19 13:18:55,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/data/1d24dd6a9/a4e7f6be34954f72ac85d7fc1df4fe68 [2021-11-19 13:18:55,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:18:55,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:18:55,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:55,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:18:55,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:18:55,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:55" (1/1) ... [2021-11-19 13:18:55,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e9cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:55, skipping insertion in model container [2021-11-19 13:18:55,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:55" (1/1) ... [2021-11-19 13:18:55,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:18:55,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:19:07,189 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790222,790235] [2021-11-19 13:19:07,193 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790367,790380] [2021-11-19 13:19:07,271 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:19:07,398 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:19:07,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:19:08,748 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790222,790235] [2021-11-19 13:19:08,750 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790367,790380] [2021-11-19 13:19:08,770 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:19:08,831 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:19:10,090 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790222,790235] [2021-11-19 13:19:10,090 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_abc3e051-1b4a-45ff-9093-709e0f307a5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[790367,790380] [2021-11-19 13:19:10,177 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:19:10,684 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:19:10,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10 WrapperNode [2021-11-19 13:19:10,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:19:10,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:19:10,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:19:10,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:19:10,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:11,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:11,704 INFO L137 Inliner]: procedures = 752, calls = 11820, calls flagged for inlining = 334, calls inlined = 255, statements flattened = 12814 [2021-11-19 13:19:11,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:19:11,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:19:11,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:19:11,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:19:11,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:11,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:11,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:11,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:12,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:12,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:12,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:12,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:19:12,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:19:12,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:19:12,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:19:12,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (1/1) ... [2021-11-19 13:19:12,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:19:12,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:19:12,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:19:13,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:19:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:19:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:19:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:19:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:19:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-11-19 13:19:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-11-19 13:19:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-11-19 13:19:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-11-19 13:19:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-11-19 13:19:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-11-19 13:19:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:19:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:19:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 13:19:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 13:19:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-19 13:19:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-19 13:19:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-11-19 13:19:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-11-19 13:19:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-11-19 13:19:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-11-19 13:19:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:19:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:19:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 13:19:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 13:19:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-11-19 13:19:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-11-19 13:19:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-11-19 13:19:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-11-19 13:19:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 13:19:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 13:19:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:19:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:19:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:19:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:19:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:19:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:19:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:19:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:19:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-11-19 13:19:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-11-19 13:19:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:19:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:19:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-11-19 13:19:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-11-19 13:19:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-11-19 13:19:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-11-19 13:19:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-11-19 13:19:13,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-11-19 13:19:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 13:19:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 13:19:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:19:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:19:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:19:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:19:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:19:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-11-19 13:19:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-11-19 13:19:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:19:13,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:19:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-11-19 13:19:13,074 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-11-19 13:19:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:19:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:19:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-11-19 13:19:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-11-19 13:19:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-11-19 13:19:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-11-19 13:19:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:19:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:19:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_115 [2021-11-19 13:19:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_115 [2021-11-19 13:19:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-11-19 13:19:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-11-19 13:19:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-19 13:19:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-19 13:19:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:19:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:19:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 13:19:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 13:19:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-11-19 13:19:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-11-19 13:19:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:19:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:19:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-11-19 13:19:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-11-19 13:19:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:19:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:19:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 13:19:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 13:19:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-11-19 13:19:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-11-19 13:19:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-11-19 13:19:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-11-19 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:19:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:19:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:19:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:19:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:19:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:19:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:19:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:19:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 13:19:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 13:19:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 13:19:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 13:19:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:19:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:19:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:19:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:19:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-11-19 13:19:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-11-19 13:19:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:19:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:19:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-11-19 13:19:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-11-19 13:19:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-11-19 13:19:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-11-19 13:19:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-11-19 13:19:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-11-19 13:19:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:19:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:19:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:19:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:19:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:19:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-19 13:19:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-19 13:19:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:19:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-11-19 13:19:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-11-19 13:19:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:19:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:19:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-19 13:19:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-19 13:19:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:19:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:19:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:19:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-19 13:19:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-19 13:19:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:19:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:19:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:19:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:19:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-11-19 13:19:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-11-19 13:19:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:19:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:19:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 13:19:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 13:19:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-11-19 13:19:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-11-19 13:19:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-11-19 13:19:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-11-19 13:19:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:19:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:19:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:19:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:19:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:19:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:19:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-11-19 13:19:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-11-19 13:19:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-11-19 13:19:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-11-19 13:19:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 13:19:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 13:19:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-11-19 13:19:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-11-19 13:19:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:19:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-19 13:19:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-19 13:19:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:19:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:19:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 13:19:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 13:19:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-11-19 13:19:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-11-19 13:19:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-11-19 13:19:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-11-19 13:19:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:19:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 13:19:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 13:19:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:19:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:19:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:19:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:19:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:19:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:19:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:19:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-11-19 13:19:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-11-19 13:19:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 13:19:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 13:19:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-11-19 13:19:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-11-19 13:19:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-11-19 13:19:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-11-19 13:19:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-11-19 13:19:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-11-19 13:19:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-11-19 13:19:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-11-19 13:19:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 13:19:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 13:19:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-11-19 13:19:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-11-19 13:19:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-11-19 13:19:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-11-19 13:19:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2021-11-19 13:19:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2021-11-19 13:19:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-11-19 13:19:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-11-19 13:19:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-11-19 13:19:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-11-19 13:19:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:19:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:19:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 13:19:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 13:19:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-11-19 13:19:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-11-19 13:19:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-11-19 13:19:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-11-19 13:19:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 13:19:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 13:19:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:19:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:19:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 13:19:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 13:19:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:19:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:19:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-11-19 13:19:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-11-19 13:19:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 13:19:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 13:19:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 13:19:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 13:19:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:19:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:19:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:19:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-11-19 13:19:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-11-19 13:19:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:19:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:19:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-11-19 13:19:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-11-19 13:19:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:19:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-11-19 13:19:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-11-19 13:19:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-11-19 13:19:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-11-19 13:19:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-11-19 13:19:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-11-19 13:19:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-11-19 13:19:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-11-19 13:19:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-11-19 13:19:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-11-19 13:19:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:19:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2021-11-19 13:19:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2021-11-19 13:19:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:19:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:19:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-19 13:19:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-19 13:19:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:19:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:19:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-11-19 13:19:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-11-19 13:19:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 13:19:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 13:19:13,146 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 13:19:13,146 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 13:19:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-11-19 13:19:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-11-19 13:19:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-11-19 13:19:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-11-19 13:19:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 13:19:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 13:19:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:19:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:19:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-11-19 13:19:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-11-19 13:19:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:19:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:19:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:19:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:19:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 13:19:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 13:19:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-11-19 13:19:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-11-19 13:19:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-11-19 13:19:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-11-19 13:19:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-11-19 13:19:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-11-19 13:19:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-19 13:19:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-19 13:19:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-11-19 13:19:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-11-19 13:19:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:19:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:19:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:19:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:19:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-19 13:19:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-19 13:19:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-11-19 13:19:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-11-19 13:19:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-11-19 13:19:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-11-19 13:19:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-19 13:19:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-19 13:19:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:19:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:19:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:19:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:19:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:19:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:19:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-11-19 13:19:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-11-19 13:19:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:19:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:19:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-11-19 13:19:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-11-19 13:19:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-11-19 13:19:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-11-19 13:19:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-11-19 13:19:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-11-19 13:19:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:19:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:19:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-11-19 13:19:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-11-19 13:19:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:19:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:19:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 13:19:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 13:19:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-11-19 13:19:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-11-19 13:19:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:19:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:19:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 13:19:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 13:19:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 13:19:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 13:19:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:19:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:19:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 13:19:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 13:19:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-11-19 13:19:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-11-19 13:19:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 13:19:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 13:19:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-11-19 13:19:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-11-19 13:19:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 13:19:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2021-11-19 13:19:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2021-11-19 13:19:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-11-19 13:19:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-11-19 13:19:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-11-19 13:19:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-11-19 13:19:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-11-19 13:19:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-11-19 13:19:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-11-19 13:19:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-11-19 13:19:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:19:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:19:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 13:19:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 13:19:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-11-19 13:19:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-11-19 13:19:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-11-19 13:19:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-11-19 13:19:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 13:19:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 13:19:14,939 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:19:14,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:19:15,353 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:26:49,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:26:50,287 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:26:50,418 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:26:50,418 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 13:26:50,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:50 BoogieIcfgContainer [2021-11-19 13:26:50,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:26:50,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:26:50,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:26:50,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:26:50,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:18:55" (1/3) ... [2021-11-19 13:26:50,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2112d2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:50, skipping insertion in model container [2021-11-19 13:26:50,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:19:10" (2/3) ... [2021-11-19 13:26:50,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2112d2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:26:50, skipping insertion in model container [2021-11-19 13:26:50,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:26:50" (3/3) ... [2021-11-19 13:26:50,440 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:26:50,457 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:26:50,462 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:26:50,556 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:26:50,575 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 13:26:50,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:26:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 3757 states, 2687 states have (on average 1.3449944175660589) internal successors, (3614), 2702 states have internal predecessors, (3614), 902 states have call successors, (902), 168 states have call predecessors, (902), 167 states have return successors, (896), 894 states have call predecessors, (896), 896 states have call successors, (896) [2021-11-19 13:26:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-19 13:26:50,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:26:50,775 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:26:50,775 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:26:50,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:26:50,782 INFO L85 PathProgramCache]: Analyzing trace with hash 528201071, now seen corresponding path program 1 times [2021-11-19 13:26:50,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:26:50,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386241203] [2021-11-19 13:26:50,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:26:50,823 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:26:50,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:26:50,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:26:50,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:27:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:07,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 9323 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:27:07,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2021-11-19 13:27:13,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2021-11-19 13:27:17,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:17,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386241203] [2021-11-19 13:27:17,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386241203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:17,302 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:17,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:27:17,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863826764] [2021-11-19 13:27:17,305 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:17,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:27:17,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:17,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:27:17,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:27:17,348 INFO L87 Difference]: Start difference. First operand has 3757 states, 2687 states have (on average 1.3449944175660589) internal successors, (3614), 2702 states have internal predecessors, (3614), 902 states have call successors, (902), 168 states have call predecessors, (902), 167 states have return successors, (896), 894 states have call predecessors, (896), 896 states have call successors, (896) Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2021-11-19 13:27:18,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:20,613 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 13:28:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:07,322 INFO L93 Difference]: Finished difference Result 13024 states and 19878 transitions. [2021-11-19 13:28:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:28:07,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 383 [2021-11-19 13:28:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:07,447 INFO L225 Difference]: With dead ends: 13024 [2021-11-19 13:28:07,447 INFO L226 Difference]: Without dead ends: 9197 [2021-11-19 13:28:07,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 762 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 13:28:07,533 INFO L933 BasicCegarLoop]: 7767 mSDtfsCounter, 10194 mSDsluCounter, 8035 mSDsCounter, 0 mSdLazyCounter, 1570 mSolverCounterSat, 1015 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10194 SdHoareTripleChecker+Valid, 15802 SdHoareTripleChecker+Invalid, 2586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1015 IncrementalHoareTripleChecker+Valid, 1570 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:07,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10194 Valid, 15802 Invalid, 2586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1015 Valid, 1570 Invalid, 1 Unknown, 0 Unchecked, 49.2s Time] [2021-11-19 13:28:07,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9197 states. [2021-11-19 13:28:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9197 to 9195. [2021-11-19 13:28:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9195 states, 6722 states have (on average 1.351681047307349) internal successors, (9086), 6747 states have internal predecessors, (9086), 2057 states have call successors, (2057), 415 states have call predecessors, (2057), 415 states have return successors, (2057), 2053 states have call predecessors, (2057), 2057 states have call successors, (2057) [2021-11-19 13:28:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9195 states to 9195 states and 13200 transitions. [2021-11-19 13:28:08,605 INFO L78 Accepts]: Start accepts. Automaton has 9195 states and 13200 transitions. Word has length 383 [2021-11-19 13:28:08,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:08,610 INFO L470 AbstractCegarLoop]: Abstraction has 9195 states and 13200 transitions. [2021-11-19 13:28:08,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2021-11-19 13:28:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 9195 states and 13200 transitions. [2021-11-19 13:28:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-11-19 13:28:08,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:08,695 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 7, 7, 7, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:08,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:28:08,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:28:08,914 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:28:08,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:08,916 INFO L85 PathProgramCache]: Analyzing trace with hash 936431669, now seen corresponding path program 1 times [2021-11-19 13:28:08,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:28:08,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645325535] [2021-11-19 13:28:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:08,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:28:08,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:28:08,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:28:08,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:28:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:25,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 9508 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:28:25,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:28:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 573 proven. 3 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2021-11-19 13:28:34,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:28:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2021-11-19 13:28:40,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:28:40,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645325535] [2021-11-19 13:28:40,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645325535] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:28:40,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [276500288] [2021-11-19 13:28:40,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:40,271 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:28:40,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:28:40,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:28:40,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-11-19 13:28:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:45,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 9508 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:28:45,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2021-11-19 13:29:10,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2021-11-19 13:29:21,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [276500288] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:21,603 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:29:21,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [8, 8] total 12 [2021-11-19 13:29:21,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573987271] [2021-11-19 13:29:21,606 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:21,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:29:21,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:21,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:29:21,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:29:21,611 INFO L87 Difference]: Start difference. First operand 9195 states and 13200 transitions. Second operand has 5 states, 5 states have (on average 77.0) internal successors, (385), 5 states have internal predecessors, (385), 3 states have call successors, (98), 3 states have call predecessors, (98), 4 states have return successors, (94), 4 states have call predecessors, (94), 3 states have call successors, (94) [2021-11-19 13:29:24,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:15,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:15,337 INFO L93 Difference]: Finished difference Result 18353 states and 26356 transitions. [2021-11-19 13:30:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:30:15,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.0) internal successors, (385), 5 states have internal predecessors, (385), 3 states have call successors, (98), 3 states have call predecessors, (98), 4 states have return successors, (94), 4 states have call predecessors, (94), 3 states have call successors, (94) Word has length 474 [2021-11-19 13:30:15,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:15,419 INFO L225 Difference]: With dead ends: 18353 [2021-11-19 13:30:15,419 INFO L226 Difference]: Without dead ends: 9195 [2021-11-19 13:30:15,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1892 GetRequests, 1882 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:30:15,485 INFO L933 BasicCegarLoop]: 5316 mSDtfsCounter, 5103 mSDsluCounter, 3571 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5103 SdHoareTripleChecker+Valid, 8887 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:15,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5103 Valid, 8887 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1746 Invalid, 1 Unknown, 0 Unchecked, 53.1s Time] [2021-11-19 13:30:15,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9195 states. [2021-11-19 13:30:15,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9195 to 9195. [2021-11-19 13:30:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9195 states, 6722 states have (on average 1.351532282058911) internal successors, (9085), 6747 states have internal predecessors, (9085), 2057 states have call successors, (2057), 415 states have call predecessors, (2057), 415 states have return successors, (2057), 2053 states have call predecessors, (2057), 2057 states have call successors, (2057) [2021-11-19 13:30:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9195 states to 9195 states and 13199 transitions. [2021-11-19 13:30:16,035 INFO L78 Accepts]: Start accepts. Automaton has 9195 states and 13199 transitions. Word has length 474 [2021-11-19 13:30:16,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:16,038 INFO L470 AbstractCegarLoop]: Abstraction has 9195 states and 13199 transitions. [2021-11-19 13:30:16,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.0) internal successors, (385), 5 states have internal predecessors, (385), 3 states have call successors, (98), 3 states have call predecessors, (98), 4 states have return successors, (94), 4 states have call predecessors, (94), 3 states have call successors, (94) [2021-11-19 13:30:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 9195 states and 13199 transitions. [2021-11-19 13:30:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-11-19 13:30:16,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:16,093 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 7, 7, 7, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:16,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:30:16,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:30:16,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:30:16,506 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:30:16,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1233856758, now seen corresponding path program 1 times [2021-11-19 13:30:16,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:30:16,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402344611] [2021-11-19 13:30:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:16,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:30:16,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:30:16,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:30:16,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:30:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:32,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 9509 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:30:32,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:30:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 573 proven. 3 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2021-11-19 13:30:40,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:30:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2021-11-19 13:30:45,865 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:30:45,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402344611] [2021-11-19 13:30:45,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402344611] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:30:45,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [529024356] [2021-11-19 13:30:45,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:45,866 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:30:45,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:30:45,867 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:30:45,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc3e051-1b4a-45ff-9093-709e0f307a5e/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-19 13:30:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:50,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 9509 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:30:50,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:14,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2021-11-19 13:31:14,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2021-11-19 13:31:25,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [529024356] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:25,442 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:31:25,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [8, 8] total 12 [2021-11-19 13:31:25,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827190909] [2021-11-19 13:31:25,443 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:25,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:25,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:25,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:25,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:31:25,446 INFO L87 Difference]: Start difference. First operand 9195 states and 13199 transitions. Second operand has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 3 states have call successors, (98), 3 states have call predecessors, (98), 4 states have return successors, (94), 4 states have call predecessors, (94), 3 states have call successors, (94) [2021-11-19 13:31:28,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []