./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:26:54,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:26:54,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:26:54,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:26:54,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:26:54,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:26:54,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:26:54,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:26:54,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:26:54,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:26:54,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:26:54,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:26:54,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:26:54,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:26:54,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:26:54,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:26:54,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:26:54,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:26:54,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:26:54,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:26:54,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:26:54,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:26:54,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:26:54,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:26:54,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:26:54,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:26:54,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:26:54,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:26:54,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:26:54,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:26:54,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:26:54,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:26:54,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:26:54,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:26:54,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:26:54,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:26:54,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:26:54,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:26:54,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:26:54,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:26:54,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:26:54,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:26:54,340 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:26:54,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:26:54,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:26:54,342 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:26:54,342 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:26:54,342 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:26:54,343 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:26:54,343 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:26:54,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:26:54,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:26:54,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:26:54,344 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:26:54,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:26:54,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:26:54,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:26:54,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:26:54,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:26:54,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:26:54,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:26:54,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:26:54,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:26:54,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:26:54,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:26:54,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:26:54,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:26:54,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:26:54,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:26:54,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:26:54,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:26:54,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:26:54,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:26:54,351 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:26:54,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:26:54,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:26:54,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:26:54,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:26:54,352 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_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-07 01:26:54,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:26:54,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:26:54,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:26:54,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:26:54,715 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:26:54,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 01:26:54,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/ed5978fa6/cb8f12b595ac4170b03800894042e86e/FLAGe7886ba9c [2021-11-07 01:26:56,209 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:26:56,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 01:26:56,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/ed5978fa6/cb8f12b595ac4170b03800894042e86e/FLAGe7886ba9c [2021-11-07 01:26:56,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/ed5978fa6/cb8f12b595ac4170b03800894042e86e [2021-11-07 01:26:56,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:26:56,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:26:56,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:26:56,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:26:56,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:26:56,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:56" (1/1) ... [2021-11-07 01:26:56,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c78ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:26:56, skipping insertion in model container [2021-11-07 01:26:56,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:26:56" (1/1) ... [2021-11-07 01:26:56,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:26:57,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:26:59,582 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,100 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,101 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,435 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,436 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,686 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,705 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,707 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,710 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:00,956 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:01,023 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:01,107 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:01,166 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:01,167 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:01,168 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:01,271 WARN L228 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_44ce150e-824e-457a-a0fd-d89859ff70bd/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 01:27:01,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:01,512 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) [2021-11-07 01:27:01,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4215d31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:01, skipping insertion in model container [2021-11-07 01:27:01,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:01,515 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:27:01,518 INFO L168 Benchmark]: Toolchain (without parser) took 4669.02 ms. Allocated memory was 113.2 MB in the beginning and 176.2 MB in the end (delta: 62.9 MB). Free memory was 84.1 MB in the beginning and 81.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:01,520 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:27:01,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4665.45 ms. Allocated memory was 113.2 MB in the beginning and 176.2 MB in the end (delta: 62.9 MB). Free memory was 84.1 MB in the beginning and 81.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:01,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4665.45 ms. Allocated memory was 113.2 MB in the beginning and 176.2 MB in the end (delta: 62.9 MB). Free memory was 84.1 MB in the beginning and 81.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7263]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:27:04,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:27:04,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:27:04,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:27:04,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:27:04,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:27:04,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:27:04,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:27:04,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:27:04,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:27:04,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:27:04,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:27:04,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:27:04,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:27:04,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:27:04,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:27:04,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:27:04,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:27:04,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:27:04,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:27:04,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:27:04,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:27:04,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:27:04,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:27:04,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:27:04,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:27:04,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:27:04,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:27:04,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:27:04,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:27:04,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:27:04,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:27:04,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:27:04,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:27:04,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:27:04,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:27:04,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:27:04,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:27:04,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:27:04,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:27:04,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:27:04,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:27:04,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:27:04,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:27:04,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:27:04,684 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:27:04,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:27:04,684 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:27:04,685 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:27:04,685 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:27:04,685 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:27:04,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:27:04,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:27:04,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:27:04,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:27:04,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:27:04,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:27:04,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:27:04,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:27:04,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:27:04,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:27:04,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:27:04,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:27:04,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:27:04,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:27:04,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:27:04,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:27:04,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:27:04,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:27:04,695 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:27:04,695 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:27:04,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:27:04,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:27:04,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:27:04,696 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_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2021-11-07 01:27:05,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:27:05,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:27:05,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:27:05,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:27:05,245 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:27:05,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 01:27:05,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/a318efe0a/b8422a5f20a4493392e90c28eddf1334/FLAG6582ff2cd [2021-11-07 01:27:06,796 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:27:06,797 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 01:27:06,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/a318efe0a/b8422a5f20a4493392e90c28eddf1334/FLAG6582ff2cd [2021-11-07 01:27:06,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/data/a318efe0a/b8422a5f20a4493392e90c28eddf1334 [2021-11-07 01:27:06,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:27:06,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:27:06,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:06,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:27:06,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:27:06,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:06" (1/1) ... [2021-11-07 01:27:06,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4461ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:06, skipping insertion in model container [2021-11-07 01:27:06,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:06" (1/1) ... [2021-11-07 01:27:06,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:27:07,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:27:11,530 WARN L228 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_44ce150e-824e-457a-a0fd-d89859ff70bd/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 01:27:11,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:11,757 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:27:11,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:27:12,496 WARN L228 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_44ce150e-824e-457a-a0fd-d89859ff70bd/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 01:27:12,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:12,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:27:13,190 WARN L228 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_44ce150e-824e-457a-a0fd-d89859ff70bd/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2021-11-07 01:27:13,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:13,490 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:27:13,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13 WrapperNode [2021-11-07 01:27:13,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:13,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:27:13,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:27:13,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:27:13,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:13,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:15,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:27:15,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:27:15,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:27:15,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:27:15,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:15,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:16,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:16,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:18,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:18,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:18,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:18,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:27:18,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:27:18,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:27:18,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:27:18,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:18,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:27:18,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:27:18,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:27:18,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:27:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 01:27:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:27:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:27:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:27:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:27:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:27:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:27:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:27:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 01:27:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:27:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:27:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:27:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-07 01:27:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-07 01:27:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:27:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:27:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:27:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:27:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:27:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2021-11-07 01:27:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2021-11-07 01:27:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:27:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:27:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:27:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:27:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2021-11-07 01:27:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2021-11-07 01:27:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:27:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:27:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:27:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:27:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:27:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:27:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:27:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:27:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:27:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:27:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:27:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-07 01:27:18,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-07 01:40:00,684 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:40:00,685 INFO L299 CfgBuilder]: Removed 7922 assume(true) statements. [2021-11-07 01:40:00,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:40:00 BoogieIcfgContainer [2021-11-07 01:40:00,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:40:00,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:40:00,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:40:00,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:40:00,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:27:06" (1/3) ... [2021-11-07 01:40:00,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e736b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:40:00, skipping insertion in model container [2021-11-07 01:40:00,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13" (2/3) ... [2021-11-07 01:40:00,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e736b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:40:00, skipping insertion in model container [2021-11-07 01:40:00,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:40:00" (3/3) ... [2021-11-07 01:40:00,705 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2021-11-07 01:40:00,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:40:00,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-11-07 01:40:00,815 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:40:00,824 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 [2021-11-07 01:40:00,824 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-11-07 01:40:00,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 8322 states, 8174 states have (on average 1.4219476388549057) internal successors, (11623), 8218 states have internal predecessors, (11623), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-07 01:40:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:40:00,974 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:00,975 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:40:00,975 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 01:40:00,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2017409674, now seen corresponding path program 1 times [2021-11-07 01:40:01,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:01,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011187205] [2021-11-07 01:40:01,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:01,009 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:01,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:01,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:01,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:40:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:08,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:08,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:09,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:09,367 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:09,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011187205] [2021-11-07 01:40:09,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011187205] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:09,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:09,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:40:09,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865875278] [2021-11-07 01:40:09,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:40:09,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:09,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:40:09,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:40:09,409 INFO L87 Difference]: Start difference. First operand has 8322 states, 8174 states have (on average 1.4219476388549057) internal successors, (11623), 8218 states have internal predecessors, (11623), 101 states have call successors, (101), 4 states have call predecessors, (101), 4 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:14,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:14,985 INFO L93 Difference]: Finished difference Result 24013 states and 34573 transitions. [2021-11-07 01:40:14,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:40:14,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 01:40:14,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:15,101 INFO L225 Difference]: With dead ends: 24013 [2021-11-07 01:40:15,101 INFO L226 Difference]: Without dead ends: 15471 [2021-11-07 01:40:15,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:40:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15471 states. [2021-11-07 01:40:15,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15471 to 15445. [2021-11-07 01:40:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15445 states, 15193 states have (on average 1.3897189495162245) internal successors, (21114), 15238 states have internal predecessors, (21114), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 01:40:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15445 states to 15445 states and 21720 transitions. [2021-11-07 01:40:15,990 INFO L78 Accepts]: Start accepts. Automaton has 15445 states and 21720 transitions. Word has length 6 [2021-11-07 01:40:15,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:15,991 INFO L470 AbstractCegarLoop]: Abstraction has 15445 states and 21720 transitions. [2021-11-07 01:40:15,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 15445 states and 21720 transitions. [2021-11-07 01:40:15,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:40:15,992 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:15,993 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:16,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:16,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:16,218 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 01:40:16,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:16,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1884783199, now seen corresponding path program 1 times [2021-11-07 01:40:16,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:16,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459495640] [2021-11-07 01:40:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:16,233 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:16,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:16,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:16,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:40:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:24,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:24,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:24,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:24,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:24,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459495640] [2021-11-07 01:40:24,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459495640] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:24,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:24,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:40:24,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429727583] [2021-11-07 01:40:24,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:40:24,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:24,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:40:24,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:40:24,725 INFO L87 Difference]: Start difference. First operand 15445 states and 21720 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:27,818 INFO L93 Difference]: Finished difference Result 15445 states and 21720 transitions. [2021-11-07 01:40:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:40:27,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:40:27,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:27,929 INFO L225 Difference]: With dead ends: 15445 [2021-11-07 01:40:27,929 INFO L226 Difference]: Without dead ends: 15443 [2021-11-07 01:40:27,937 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:40:27,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15443 states. [2021-11-07 01:40:28,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15443 to 15443. [2021-11-07 01:40:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15443 states, 15192 states have (on average 1.3896787783043707) internal successors, (21112), 15236 states have internal predecessors, (21112), 202 states have call successors, (202), 8 states have call predecessors, (202), 8 states have return successors, (404), 202 states have call predecessors, (404), 202 states have call successors, (404) [2021-11-07 01:40:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15443 states to 15443 states and 21718 transitions. [2021-11-07 01:40:28,731 INFO L78 Accepts]: Start accepts. Automaton has 15443 states and 21718 transitions. Word has length 7 [2021-11-07 01:40:28,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:28,731 INFO L470 AbstractCegarLoop]: Abstraction has 15443 states and 21718 transitions. [2021-11-07 01:40:28,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 15443 states and 21718 transitions. [2021-11-07 01:40:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:40:28,732 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:28,732 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:40:28,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:28,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:28,933 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [mwl8k_post_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr1ASSERT_VIOLATIONERROR_FUNCTION, mwl8k_post_cmdErr2ASSERT_VIOLATIONERROR_FUNCTION (and 39 more)] === [2021-11-07 01:40:28,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:28,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1701289332, now seen corresponding path program 1 times [2021-11-07 01:40:28,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:28,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776657314] [2021-11-07 01:40:28,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:28,949 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:28,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:28,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ce150e-824e-457a-a0fd-d89859ff70bd/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:40:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:37,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:40:37,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:37,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:37,805 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:37,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776657314] [2021-11-07 01:40:37,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776657314] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:37,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:37,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:40:37,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162711892] [2021-11-07 01:40:37,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:40:37,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:37,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:40:37,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:40:37,807 INFO L87 Difference]: Start difference. First operand 15443 states and 21718 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)