./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.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_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/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_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/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_ccb42de1-051b-4767-b7c3-8d016d83a53f/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 ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:40:44,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:40:44,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:40:44,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:40:44,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:40:44,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:40:44,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:40:44,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:40:44,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:40:44,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:40:44,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:40:44,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:40:44,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:40:44,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:40:44,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:40:44,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:40:44,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:40:44,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:40:44,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:40:44,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:40:44,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:40:44,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:40:44,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:40:44,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:40:44,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:40:44,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:40:44,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:40:44,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:40:44,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:40:44,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:40:44,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:40:44,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:40:44,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:40:44,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:40:44,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:40:44,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:40:44,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:40:44,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:40:44,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:40:44,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:40:44,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:40:44,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:40:44,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:40:44,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:40:44,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:40:44,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:40:44,486 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:40:44,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:40:44,486 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:40:44,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:40:44,487 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:40:44,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:40:44,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:40:44,489 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:40:44,489 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:40:44,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:40:44,490 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:40:44,490 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:40:44,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:40:44,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:40:44,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:40:44,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:40:44,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:40:44,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:40:44,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:40:44,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:40:44,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:40:44,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:40:44,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:40:44,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:40:44,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:40:44,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:40:44,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:40:44,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:40:44,498 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:40:44,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:40:44,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:40:44,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:40:44,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:40:44,499 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2021-11-19 14:40:44,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:40:44,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:40:44,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:40:44,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:40:44,838 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:40:44,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 14:40:44,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/6d555b7df/e07ac15c2d46429a9018a916831d1dc9/FLAGf8ad57d75 [2021-11-19 14:40:46,316 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:40:46,317 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 14:40:46,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/6d555b7df/e07ac15c2d46429a9018a916831d1dc9/FLAGf8ad57d75 [2021-11-19 14:40:46,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/6d555b7df/e07ac15c2d46429a9018a916831d1dc9 [2021-11-19 14:40:46,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:40:46,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:40:46,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:40:46,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:40:46,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:40:46,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:46" (1/1) ... [2021-11-19 14:40:46,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bfb140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:46, skipping insertion in model container [2021-11-19 14:40:46,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:46" (1/1) ... [2021-11-19 14:40:46,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:40:46,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:40:49,047 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 14:40:49,363 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 14:40:49,364 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 14:40:49,481 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 14:40:49,621 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 14:40:49,724 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 14:40:51,555 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2021-11-19 14:40:51,559 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2021-11-19 14:40:51,574 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:40:51,639 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 14:40:51,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47ed4ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:51, skipping insertion in model container [2021-11-19 14:40:51,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:40:51,640 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:40:51,643 INFO L158 Benchmark]: Toolchain (without parser) took 5204.23ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 80.9MB in the beginning and 107.8MB in the end (delta: -27.0MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2021-11-19 14:40:51,643 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:40:51,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5198.80ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 80.9MB in the beginning and 107.8MB in the end (delta: -27.0MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2021-11-19 14:40:51,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5198.80ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 80.9MB in the beginning and 107.8MB in the end (delta: -27.0MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6871]: 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/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_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/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_ccb42de1-051b-4767-b7c3-8d016d83a53f/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 ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:40:54,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:40:54,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:40:54,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:40:54,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:40:54,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:40:54,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:40:54,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:40:54,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:40:54,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:40:54,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:40:54,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:40:54,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:40:54,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:40:54,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:40:54,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:40:54,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:40:54,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:40:54,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:40:54,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:40:54,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:40:54,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:40:54,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:40:54,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:40:54,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:40:54,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:40:54,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:40:54,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:40:54,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:40:54,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:40:54,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:40:54,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:40:54,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:40:54,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:40:54,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:40:54,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:40:54,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:40:54,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:40:54,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:40:54,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:40:54,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:40:54,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:40:54,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:40:54,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:40:54,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:40:54,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:40:54,478 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:40:54,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:40:54,478 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:40:54,479 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:40:54,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:40:54,479 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:40:54,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:40:54,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:40:54,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:40:54,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:40:54,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:40:54,482 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:40:54,482 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:40:54,482 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:40:54,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:40:54,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:40:54,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:40:54,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:40:54,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:40:54,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:40:54,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:40:54,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:40:54,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:40:54,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:40:54,486 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:40:54,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:40:54,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:40:54,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:40:54,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:40:54,487 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2021-11-19 14:40:54,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:40:55,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:40:55,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:40:55,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:40:55,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:40:55,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 14:40:55,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/a2f8c6e14/b7ec366623504011a42ca3a455797435/FLAG45ea718e9 [2021-11-19 14:40:56,599 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:40:56,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 14:40:56,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/a2f8c6e14/b7ec366623504011a42ca3a455797435/FLAG45ea718e9 [2021-11-19 14:40:57,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/data/a2f8c6e14/b7ec366623504011a42ca3a455797435 [2021-11-19 14:40:57,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:40:57,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:40:57,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:40:57,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:40:57,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:40:57,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:57" (1/1) ... [2021-11-19 14:40:57,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c99d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:57, skipping insertion in model container [2021-11-19 14:40:57,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:57" (1/1) ... [2021-11-19 14:40:57,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:40:57,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:41:02,406 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2021-11-19 14:41:02,410 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2021-11-19 14:41:02,431 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:41:02,562 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:41:02,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:41:03,383 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2021-11-19 14:41:03,384 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2021-11-19 14:41:03,394 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:41:03,455 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:41:04,159 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2021-11-19 14:41:04,160 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_ccb42de1-051b-4767-b7c3-8d016d83a53f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2021-11-19 14:41:04,167 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:41:04,534 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:41:04,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04 WrapperNode [2021-11-19 14:41:04,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:41:04,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:41:04,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:41:04,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:41:04,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:04,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,170 INFO L137 Inliner]: procedures = 488, calls = 4713, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8741 [2021-11-19 14:41:05,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:41:05,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:41:05,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:41:05,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:41:05,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:41:05,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:41:05,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:41:05,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:41:05,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (1/1) ... [2021-11-19 14:41:05,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:41:05,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:41:05,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:41:05,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:41:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2021-11-19 14:41:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2021-11-19 14:41:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-19 14:41:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-19 14:41:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2021-11-19 14:41:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2021-11-19 14:41:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2021-11-19 14:41:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2021-11-19 14:41:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:41:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:41:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-19 14:41:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-19 14:41:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2021-11-19 14:41:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2021-11-19 14:41:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:41:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:41:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2021-11-19 14:41:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2021-11-19 14:41:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2021-11-19 14:41:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2021-11-19 14:41:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2021-11-19 14:41:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2021-11-19 14:41:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2021-11-19 14:41:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2021-11-19 14:41:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2021-11-19 14:41:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2021-11-19 14:41:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2021-11-19 14:41:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2021-11-19 14:41:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2021-11-19 14:41:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2021-11-19 14:41:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:41:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:41:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-19 14:41:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-19 14:41:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:41:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:41:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:41:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:41:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:41:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2021-11-19 14:41:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2021-11-19 14:41:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2021-11-19 14:41:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2021-11-19 14:41:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:41:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:41:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:41:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:41:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2021-11-19 14:41:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2021-11-19 14:41:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-19 14:41:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-19 14:41:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:41:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:41:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2021-11-19 14:41:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2021-11-19 14:41:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2021-11-19 14:41:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2021-11-19 14:41:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2021-11-19 14:41:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2021-11-19 14:41:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-19 14:41:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-19 14:41:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2021-11-19 14:41:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2021-11-19 14:41:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-11-19 14:41:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-11-19 14:41:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:41:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:41:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-11-19 14:41:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-11-19 14:41:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2021-11-19 14:41:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2021-11-19 14:41:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:41:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:41:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2021-11-19 14:41:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2021-11-19 14:41:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:41:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:41:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:41:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:41:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:41:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:41:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-19 14:41:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-19 14:41:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2021-11-19 14:41:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2021-11-19 14:41:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2021-11-19 14:41:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2021-11-19 14:41:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:41:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2021-11-19 14:41:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2021-11-19 14:41:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2021-11-19 14:41:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2021-11-19 14:41:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:41:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2021-11-19 14:41:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2021-11-19 14:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:41:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:41:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2021-11-19 14:41:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2021-11-19 14:41:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:41:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:41:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2021-11-19 14:41:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2021-11-19 14:41:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:41:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:41:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:41:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-19 14:41:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-19 14:41:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:41:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2021-11-19 14:41:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2021-11-19 14:41:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-11-19 14:41:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-11-19 14:41:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:41:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:41:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:41:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:41:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2021-11-19 14:41:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2021-11-19 14:41:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:41:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:41:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2021-11-19 14:41:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2021-11-19 14:41:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-19 14:41:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-19 14:41:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:41:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:41:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:41:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:41:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:41:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 14:41:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 14:41:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 14:41:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 14:41:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:41:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:41:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:41:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:41:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:41:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:41:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:41:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:41:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-19 14:41:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-19 14:41:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 14:41:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 14:41:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2021-11-19 14:41:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2021-11-19 14:41:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:41:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:41:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2021-11-19 14:41:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2021-11-19 14:41:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-19 14:41:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-19 14:41:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2021-11-19 14:41:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2021-11-19 14:41:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-11-19 14:41:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-11-19 14:41:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2021-11-19 14:41:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2021-11-19 14:41:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 14:41:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 14:41:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2021-11-19 14:41:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2021-11-19 14:41:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:41:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-19 14:41:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-19 14:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:41:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:41:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2021-11-19 14:41:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2021-11-19 14:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:41:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2021-11-19 14:41:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2021-11-19 14:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2021-11-19 14:41:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2021-11-19 14:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2021-11-19 14:41:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2021-11-19 14:41:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-19 14:41:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-19 14:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:41:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2021-11-19 14:41:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2021-11-19 14:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:41:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:41:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2021-11-19 14:41:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2021-11-19 14:41:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 14:41:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 14:41:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:41:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2021-11-19 14:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2021-11-19 14:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:41:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:41:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-11-19 14:41:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-11-19 14:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-19 14:41:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-19 14:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:41:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2021-11-19 14:41:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2021-11-19 14:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-11-19 14:41:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-11-19 14:41:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:41:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:41:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2021-11-19 14:41:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2021-11-19 14:41:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:41:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:41:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2021-11-19 14:41:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2021-11-19 14:41:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2021-11-19 14:41:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2021-11-19 14:41:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2021-11-19 14:41:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2021-11-19 14:41:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2021-11-19 14:41:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2021-11-19 14:41:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:41:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:41:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:41:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:41:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:41:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:41:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2021-11-19 14:41:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2021-11-19 14:41:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-19 14:41:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-19 14:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 14:41:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 14:41:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2021-11-19 14:41:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2021-11-19 14:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:41:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:41:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:41:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2021-11-19 14:41:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2021-11-19 14:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2021-11-19 14:41:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2021-11-19 14:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2021-11-19 14:41:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2021-11-19 14:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2021-11-19 14:41:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2021-11-19 14:41:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2021-11-19 14:41:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2021-11-19 14:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-19 14:41:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-19 14:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2021-11-19 14:41:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2021-11-19 14:41:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:41:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:41:07,370 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:41:07,379 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:41:15,929 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:43:34,064 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:43:41,837 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:43:41,868 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:43:41,868 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:43:41,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:41 BoogieIcfgContainer [2021-11-19 14:43:41,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:43:41,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:43:41,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:43:41,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:43:41,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:40:57" (1/3) ... [2021-11-19 14:43:41,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a43442e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:43:41, skipping insertion in model container [2021-11-19 14:43:41,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:04" (2/3) ... [2021-11-19 14:43:41,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a43442e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:43:41, skipping insertion in model container [2021-11-19 14:43:41,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:41" (3/3) ... [2021-11-19 14:43:41,888 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 14:43:41,895 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:43:41,896 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:43:41,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:43:41,995 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 14:43:41,995 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:43:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) [2021-11-19 14:43:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-19 14:43:42,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:43:42,146 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:42,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:43:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:43:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash 518699637, now seen corresponding path program 1 times [2021-11-19 14:43:42,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:43:42,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999212140] [2021-11-19 14:43:42,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:43:42,182 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:43:42,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:43:42,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:43:42,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:43:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:43:46,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 4352 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:43:46,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:43:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2021-11-19 14:43:49,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:43:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 14:43:51,720 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:43:51,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999212140] [2021-11-19 14:43:51,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999212140] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:43:51,721 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:43:51,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:43:51,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150073627] [2021-11-19 14:43:51,726 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:43:51,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:43:51,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:43:51,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:43:51,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:43:51,780 INFO L87 Difference]: Start difference. First operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:44:21,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:44:21,621 INFO L93 Difference]: Finished difference Result 10281 states and 15143 transitions. [2021-11-19 14:44:21,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:44:21,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 458 [2021-11-19 14:44:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:44:21,740 INFO L225 Difference]: With dead ends: 10281 [2021-11-19 14:44:21,741 INFO L226 Difference]: Without dead ends: 7564 [2021-11-19 14:44:21,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 912 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:44:21,797 INFO L933 BasicCegarLoop]: 5052 mSDtfsCounter, 7337 mSDsluCounter, 6938 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7337 SdHoareTripleChecker+Valid, 11990 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:44:21,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7337 Valid, 11990 Invalid, 1503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 29.1s Time] [2021-11-19 14:44:21,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7564 states. [2021-11-19 14:44:22,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7564 to 7548. [2021-11-19 14:44:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7548 states, 5331 states have (on average 1.3106359032076533) internal successors, (6987), 5338 states have internal predecessors, (6987), 1877 states have call successors, (1877), 339 states have call predecessors, (1877), 339 states have return successors, (1877), 1873 states have call predecessors, (1877), 1877 states have call successors, (1877) [2021-11-19 14:44:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7548 states to 7548 states and 10741 transitions. [2021-11-19 14:44:22,639 INFO L78 Accepts]: Start accepts. Automaton has 7548 states and 10741 transitions. Word has length 458 [2021-11-19 14:44:22,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:44:22,648 INFO L470 AbstractCegarLoop]: Abstraction has 7548 states and 10741 transitions. [2021-11-19 14:44:22,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:44:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 7548 states and 10741 transitions. [2021-11-19 14:44:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-11-19 14:44:22,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:44:22,681 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:22,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:44:22,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:44:22,896 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:44:22,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:44:22,897 INFO L85 PathProgramCache]: Analyzing trace with hash -894127153, now seen corresponding path program 1 times [2021-11-19 14:44:22,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:44:22,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952898781] [2021-11-19 14:44:22,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:44:22,909 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:44:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:44:22,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:44:22,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:44:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:44:27,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 4351 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:44:27,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:44:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2021-11-19 14:44:29,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:44:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 14:44:31,399 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:44:31,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952898781] [2021-11-19 14:44:31,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952898781] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:44:31,400 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:44:31,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:44:31,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296379523] [2021-11-19 14:44:31,400 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:44:31,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:44:31,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:44:31,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:44:31,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:44:31,411 INFO L87 Difference]: Start difference. First operand 7548 states and 10741 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:45:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:02,438 INFO L93 Difference]: Finished difference Result 29493 states and 41917 transitions. [2021-11-19 14:45:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:45:02,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 457 [2021-11-19 14:45:02,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:02,663 INFO L225 Difference]: With dead ends: 29493 [2021-11-19 14:45:02,664 INFO L226 Difference]: Without dead ends: 22022 [2021-11-19 14:45:02,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 910 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:45:02,716 INFO L933 BasicCegarLoop]: 5013 mSDtfsCounter, 9424 mSDsluCounter, 5849 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 1225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9424 SdHoareTripleChecker+Valid, 10862 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1225 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:02,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9424 Valid, 10862 Invalid, 2640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1225 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 30.0s Time] [2021-11-19 14:45:02,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22022 states. [2021-11-19 14:45:04,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22022 to 22010. [2021-11-19 14:45:04,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22010 states, 15589 states have (on average 1.311180960933992) internal successors, (20440), 15614 states have internal predecessors, (20440), 5403 states have call successors, (5403), 1017 states have call predecessors, (5403), 1017 states have return successors, (5403), 5387 states have call predecessors, (5403), 5403 states have call successors, (5403) [2021-11-19 14:45:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22010 states to 22010 states and 31246 transitions. [2021-11-19 14:45:04,333 INFO L78 Accepts]: Start accepts. Automaton has 22010 states and 31246 transitions. Word has length 457 [2021-11-19 14:45:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:04,336 INFO L470 AbstractCegarLoop]: Abstraction has 22010 states and 31246 transitions. [2021-11-19 14:45:04,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:45:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 22010 states and 31246 transitions. [2021-11-19 14:45:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-11-19 14:45:04,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:04,358 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:04,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:45:04,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:45:04,577 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:04,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:04,578 INFO L85 PathProgramCache]: Analyzing trace with hash 280828728, now seen corresponding path program 1 times [2021-11-19 14:45:04,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:45:04,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856766517] [2021-11-19 14:45:04,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:04,588 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:45:04,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:45:04,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:45:04,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:45:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:08,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 4350 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:45:08,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:45:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2021-11-19 14:45:10,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 14:45:12,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:45:12,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856766517] [2021-11-19 14:45:12,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856766517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:45:12,867 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:45:12,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:45:12,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261451612] [2021-11-19 14:45:12,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:45:12,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:45:12,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:45:12,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:45:12,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:45:12,871 INFO L87 Difference]: Start difference. First operand 22010 states and 31246 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:45:43,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:43,691 INFO L93 Difference]: Finished difference Result 84481 states and 119925 transitions. [2021-11-19 14:45:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:45:43,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 456 [2021-11-19 14:45:43,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:44,354 INFO L225 Difference]: With dead ends: 84481 [2021-11-19 14:45:44,355 INFO L226 Difference]: Without dead ends: 62548 [2021-11-19 14:45:44,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 910 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:45:44,495 INFO L933 BasicCegarLoop]: 5249 mSDtfsCounter, 9231 mSDsluCounter, 5846 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 1182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9231 SdHoareTripleChecker+Valid, 11095 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1182 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:44,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9231 Valid, 11095 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1182 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 29.1s Time] [2021-11-19 14:45:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62548 states. [2021-11-19 14:45:48,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62548 to 62540. [2021-11-19 14:45:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62540 states, 44363 states have (on average 1.3118364402768072) internal successors, (58197), 44442 states have internal predecessors, (58197), 15245 states have call successors, (15245), 2931 states have call predecessors, (15245), 2931 states have return successors, (15245), 15193 states have call predecessors, (15245), 15245 states have call successors, (15245) [2021-11-19 14:45:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62540 states to 62540 states and 88687 transitions. [2021-11-19 14:45:49,553 INFO L78 Accepts]: Start accepts. Automaton has 62540 states and 88687 transitions. Word has length 456 [2021-11-19 14:45:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:49,557 INFO L470 AbstractCegarLoop]: Abstraction has 62540 states and 88687 transitions. [2021-11-19 14:45:49,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:45:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 62540 states and 88687 transitions. [2021-11-19 14:45:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-11-19 14:45:49,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:49,627 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 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] [2021-11-19 14:45:49,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-19 14:45:49,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:45:49,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:49,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:49,845 INFO L85 PathProgramCache]: Analyzing trace with hash 899187853, now seen corresponding path program 1 times [2021-11-19 14:45:49,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:45:49,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923975063] [2021-11-19 14:45:49,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:49,887 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:45:49,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:45:49,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:45:49,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:45:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:54,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 4327 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:45:54,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:45:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2021-11-19 14:45:56,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5781 trivial. 0 not checked. [2021-11-19 14:45:58,751 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:45:58,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923975063] [2021-11-19 14:45:58,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923975063] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:45:58,757 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:45:58,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:45:58,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082808638] [2021-11-19 14:45:58,759 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:45:58,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:45:58,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:45:58,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:45:58,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:45:58,763 INFO L87 Difference]: Start difference. First operand 62540 states and 88687 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-19 14:46:04,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:46:04,990 INFO L93 Difference]: Finished difference Result 158010 states and 222575 transitions. [2021-11-19 14:46:04,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:46:04,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 462 [2021-11-19 14:46:04,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:46:05,957 INFO L225 Difference]: With dead ends: 158010 [2021-11-19 14:46:05,957 INFO L226 Difference]: Without dead ends: 95547 [2021-11-19 14:46:06,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 921 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:46:06,262 INFO L933 BasicCegarLoop]: 4322 mSDtfsCounter, 2041 mSDsluCounter, 3652 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:46:06,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2041 Valid, 7974 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 14:46:06,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95547 states. [2021-11-19 14:46:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95547 to 95491. [2021-11-19 14:46:11,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95491 states, 68165 states have (on average 1.3059928115601849) internal successors, (89023), 68350 states have internal predecessors, (89023), 22340 states have call successors, (22340), 4985 states have call predecessors, (22340), 4985 states have return successors, (22340), 22182 states have call predecessors, (22340), 22340 states have call successors, (22340) [2021-11-19 14:46:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95491 states to 95491 states and 133703 transitions. [2021-11-19 14:46:12,438 INFO L78 Accepts]: Start accepts. Automaton has 95491 states and 133703 transitions. Word has length 462 [2021-11-19 14:46:12,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:46:12,441 INFO L470 AbstractCegarLoop]: Abstraction has 95491 states and 133703 transitions. [2021-11-19 14:46:12,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-19 14:46:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 95491 states and 133703 transitions. [2021-11-19 14:46:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-19 14:46:12,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:46:12,470 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:12,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:46:12,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:46:12,686 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:46:12,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:46:12,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1881844334, now seen corresponding path program 1 times [2021-11-19 14:46:12,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:46:12,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728551605] [2021-11-19 14:46:12,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:46:12,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:46:12,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:46:12,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:46:12,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:46:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:46:17,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:46:17,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:46:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2021-11-19 14:46:19,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:46:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 14:46:22,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:46:22,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728551605] [2021-11-19 14:46:22,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728551605] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:46:22,129 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:46:22,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:46:22,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095895747] [2021-11-19 14:46:22,130 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:46:22,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:46:22,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:46:22,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:46:22,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:46:22,134 INFO L87 Difference]: Start difference. First operand 95491 states and 133703 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 4 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:46:56,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:46:56,592 INFO L93 Difference]: Finished difference Result 365417 states and 511910 transitions. [2021-11-19 14:46:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:46:56,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 4 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 473 [2021-11-19 14:46:56,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:46:58,001 INFO L225 Difference]: With dead ends: 365417 [2021-11-19 14:46:58,001 INFO L226 Difference]: Without dead ends: 270003 [2021-11-19 14:46:58,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 942 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:46:58,729 INFO L933 BasicCegarLoop]: 5402 mSDtfsCounter, 7145 mSDsluCounter, 6533 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7145 SdHoareTripleChecker+Valid, 11935 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:46:58,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7145 Valid, 11935 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2021-11-19 14:46:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270003 states. [2021-11-19 14:47:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270003 to 269783. [2021-11-19 14:47:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269783 states, 192987 states have (on average 1.3076010301211998) internal successors, (252350), 193758 states have internal predecessors, (252350), 62552 states have call successors, (62552), 14243 states have call predecessors, (62552), 14243 states have return successors, (62552), 61862 states have call predecessors, (62552), 62552 states have call successors, (62552) [2021-11-19 14:47:14,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269783 states to 269783 states and 377454 transitions. [2021-11-19 14:47:14,395 INFO L78 Accepts]: Start accepts. Automaton has 269783 states and 377454 transitions. Word has length 473 [2021-11-19 14:47:14,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:47:14,397 INFO L470 AbstractCegarLoop]: Abstraction has 269783 states and 377454 transitions. [2021-11-19 14:47:14,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 4 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:47:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 269783 states and 377454 transitions. [2021-11-19 14:47:14,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-11-19 14:47:14,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:47:14,443 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 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] [2021-11-19 14:47:14,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:47:14,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:47:14,672 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:47:14,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:47:14,673 INFO L85 PathProgramCache]: Analyzing trace with hash 467816429, now seen corresponding path program 1 times [2021-11-19 14:47:14,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:47:14,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430274906] [2021-11-19 14:47:14,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:47:14,679 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:47:14,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:47:14,681 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:47:14,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb42de1-051b-4767-b7c3-8d016d83a53f/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process