./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:34:25,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:34:25,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:34:26,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:34:26,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:34:26,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:34:26,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:34:26,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:34:26,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:34:26,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:34:26,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:34:26,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:34:26,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:34:26,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:34:26,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:34:26,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:34:26,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:34:26,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:34:26,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:34:26,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:34:26,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:34:26,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:34:26,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:34:26,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:34:26,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:34:26,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:34:26,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:34:26,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:34:26,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:34:26,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:34:26,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:34:26,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:34:26,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:34:26,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:34:26,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:34:26,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:34:26,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:34:26,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:34:26,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:34:26,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:34:26,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:34:26,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:34:26,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:34:26,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:34:26,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:34:26,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:34:26,156 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:34:26,156 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:34:26,157 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:34:26,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:34:26,157 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:34:26,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:34:26,159 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:34:26,159 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:34:26,159 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:34:26,160 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:34:26,160 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:34:26,160 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:34:26,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:34:26,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:34:26,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:34:26,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:34:26,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:34:26,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:34:26,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:34:26,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:34:26,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:34:26,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:34:26,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:34:26,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:34:26,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:34:26,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:34:26,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:34:26,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:34:26,167 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:34:26,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:34:26,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:34:26,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:34:26,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:34:26,168 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f [2021-11-19 13:34:26,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:34:26,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:34:26,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:34:26,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:34:26,474 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:34:26,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2021-11-19 13:34:26,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/72f91c68a/97ebfb4e0ccd4783a4140f2c785f3e8f/FLAGf65fd81ad [2021-11-19 13:34:27,739 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:34:27,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2021-11-19 13:34:27,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/72f91c68a/97ebfb4e0ccd4783a4140f2c785f3e8f/FLAGf65fd81ad [2021-11-19 13:34:27,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/72f91c68a/97ebfb4e0ccd4783a4140f2c785f3e8f [2021-11-19 13:34:27,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:34:27,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:34:27,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:27,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:34:27,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:34:27,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:27" (1/1) ... [2021-11-19 13:34:27,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632a8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:27, skipping insertion in model container [2021-11-19 13:34:27,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:27" (1/1) ... [2021-11-19 13:34:27,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:34:28,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:34:30,919 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,944 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,945 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,954 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,954 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,955 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,964 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,964 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,965 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:30,965 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,633 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,647 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,809 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,822 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,825 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,828 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,829 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,830 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,842 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,854 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,864 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,876 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,888 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,900 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,913 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,932 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,943 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,943 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,981 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:31,983 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,105 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,115 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,138 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,153 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,157 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,170 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,186 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,187 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,267 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,272 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,288 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,289 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,311 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,316 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,329 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,367 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,368 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,368 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,369 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,371 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,374 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,378 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,378 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,379 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,380 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,384 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,385 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,386 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,485 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,487 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,489 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,489 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,490 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,513 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,514 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,514 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,544 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,545 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,545 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,585 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,585 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,586 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,609 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,610 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,610 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,621 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 13:34:32,621 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 13:34:32,622 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,676 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,676 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,690 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,690 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,691 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,696 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,697 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,697 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,701 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,702 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,703 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,706 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,707 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,708 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,716 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,717 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,753 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,754 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,754 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,755 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,755 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,757 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,757 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,805 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,815 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,824 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,834 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,843 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,853 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,862 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,871 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,881 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,892 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,902 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,911 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,920 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,929 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,938 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,950 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,968 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,981 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,992 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:32,992 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,006 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,006 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,028 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,039 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,049 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,059 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,070 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,080 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,081 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,095 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,108 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,119 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,129 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,140 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,140 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,141 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,158 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,170 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,195 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,198 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,205 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,212 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,214 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,219 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,223 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,226 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,227 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,227 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,228 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,230 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,232 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,233 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:33,233 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,373 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,390 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,391 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,392 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,393 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,396 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,396 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,397 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,398 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,401 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,401 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,402 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,403 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,406 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,407 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,407 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,408 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,411 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,412 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,412 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,414 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,416 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,417 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,417 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,419 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,421 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,422 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,422 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,424 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,426 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,427 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,427 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,428 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,447 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,447 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,553 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,570 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,831 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619822,619835] [2021-11-19 13:34:34,834 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619969,619982] [2021-11-19 13:34:34,835 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620108,620121] [2021-11-19 13:34:34,835 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620266,620279] [2021-11-19 13:34:34,867 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,868 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:34,873 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:34,951 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:34:34,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ec51ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:34, skipping insertion in model container [2021-11-19 13:34:34,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:34,953 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:34:34,955 INFO L158 Benchmark]: Toolchain (without parser) took 7017.19ms. Allocated memory was 113.2MB in the beginning and 218.1MB in the end (delta: 104.9MB). Free memory was 48.9MB in the beginning and 103.0MB in the end (delta: -54.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2021-11-19 13:34:34,956 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:34:34,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7013.52ms. Allocated memory was 113.2MB in the beginning and 218.1MB in the end (delta: 104.9MB). Free memory was 48.7MB in the beginning and 103.0MB in the end (delta: -54.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2021-11-19 13:34:34,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7013.52ms. Allocated memory was 113.2MB in the beginning and 218.1MB in the end (delta: 104.9MB). Free memory was 48.7MB in the beginning and 103.0MB in the end (delta: -54.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6796]: 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:34:37,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:34:37,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:34:37,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:34:37,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:34:37,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:34:37,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:34:37,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:34:37,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:34:37,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:34:37,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:34:37,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:34:37,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:34:37,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:34:37,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:34:37,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:34:37,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:34:37,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:34:37,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:34:37,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:34:37,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:34:37,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:34:37,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:34:37,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:34:37,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:34:37,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:34:37,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:34:37,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:34:37,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:34:37,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:34:37,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:34:37,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:34:37,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:34:37,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:34:37,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:34:37,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:34:37,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:34:37,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:34:37,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:34:37,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:34:37,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:34:37,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:34:37,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:34:37,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:34:37,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:34:37,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:34:37,436 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:34:37,437 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:34:37,437 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:34:37,437 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:34:37,437 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:34:37,437 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:34:37,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:34:37,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:34:37,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:34:37,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:34:37,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:34:37,441 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:34:37,442 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:34:37,442 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:34:37,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:34:37,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:34:37,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:34:37,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:34:37,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:34:37,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:34:37,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:34:37,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:34:37,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:34:37,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:34:37,445 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:34:37,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:34:37,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:34:37,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:34:37,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:34:37,446 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f [2021-11-19 13:34:37,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:34:37,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:34:37,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:34:37,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:34:37,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:34:37,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2021-11-19 13:34:37,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/339b6b9a2/14b64d74001141efb03012c567342c29/FLAG15d8f5233 [2021-11-19 13:34:39,243 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:34:39,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2021-11-19 13:34:39,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/339b6b9a2/14b64d74001141efb03012c567342c29/FLAG15d8f5233 [2021-11-19 13:34:39,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/data/339b6b9a2/14b64d74001141efb03012c567342c29 [2021-11-19 13:34:39,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:34:39,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:34:39,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:39,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:34:39,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:34:39,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:39" (1/1) ... [2021-11-19 13:34:39,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e0717f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:39, skipping insertion in model container [2021-11-19 13:34:39,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:39" (1/1) ... [2021-11-19 13:34:39,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:34:39,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:34:43,774 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:34:46,197 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619822,619835] [2021-11-19 13:34:46,199 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619969,619982] [2021-11-19 13:34:46,200 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620108,620121] [2021-11-19 13:34:46,201 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620266,620279] [2021-11-19 13:34:46,239 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:46,317 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:34:46,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:34:47,409 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619822,619835] [2021-11-19 13:34:47,410 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619969,619982] [2021-11-19 13:34:47,410 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620108,620121] [2021-11-19 13:34:47,411 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620266,620279] [2021-11-19 13:34:47,425 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:47,484 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:34:48,522 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619822,619835] [2021-11-19 13:34:48,522 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619969,619982] [2021-11-19 13:34:48,524 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620108,620121] [2021-11-19 13:34:48,528 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_f94598b3-7d18-4577-8a45-4f1360ea6ac6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620266,620279] [2021-11-19 13:34:48,544 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:49,089 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:34:49,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49 WrapperNode [2021-11-19 13:34:49,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:49,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:34:49,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:34:49,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:34:49,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:49,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:49,689 INFO L137 Inliner]: procedures = 660, calls = 6811, calls flagged for inlining = 340, calls inlined = 331, statements flattened = 14072 [2021-11-19 13:34:49,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:34:49,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:34:49,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:34:49,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:34:49,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:49,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:49,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:49,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:50,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:50,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:50,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:50,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:34:50,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:34:50,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:34:50,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:34:50,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (1/1) ... [2021-11-19 13:34:50,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:34:50,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:34:50,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:34:50,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:34:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-11-19 13:34:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-11-19 13:34:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-11-19 13:34:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-11-19 13:34:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-19 13:34:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-11-19 13:34:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-11-19 13:34:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-19 13:34:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-11-19 13:34:50,642 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-11-19 13:34:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-19 13:34:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-19 13:34:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-11-19 13:34:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-11-19 13:34:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:34:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:34:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-11-19 13:34:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-11-19 13:34:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:34:50,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:34:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:34:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:34:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-11-19 13:34:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-11-19 13:34:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-11-19 13:34:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-11-19 13:34:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-11-19 13:34:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-11-19 13:34:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-11-19 13:34:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-11-19 13:34:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-19 13:34:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-19 13:34:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-19 13:34:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-19 13:34:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:34:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:34:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-11-19 13:34:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-11-19 13:34:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-11-19 13:34:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-11-19 13:34:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-11-19 13:34:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-11-19 13:34:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:34:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:34:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-11-19 13:34:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-11-19 13:34:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-19 13:34:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-19 13:34:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-19 13:34:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-19 13:34:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 13:34:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 13:34:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-11-19 13:34:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-11-19 13:34:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 13:34:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-11-19 13:34:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-11-19 13:34:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:34:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:34:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:34:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:34:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-19 13:34:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-19 13:34:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-11-19 13:34:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-11-19 13:34:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-19 13:34:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-19 13:34:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:34:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:34:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:34:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:34:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-11-19 13:34:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-11-19 13:34:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:34:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:34:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-11-19 13:34:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-11-19 13:34:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:34:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 13:34:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 13:34:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-11-19 13:34:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-11-19 13:34:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-19 13:34:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-19 13:34:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:34:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:34:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 13:34:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 13:34:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:34:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-11-19 13:34:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-11-19 13:34:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:34:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:34:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:34:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:34:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:34:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:34:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:34:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-11-19 13:34:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-11-19 13:34:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-19 13:34:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-19 13:34:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-11-19 13:34:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-11-19 13:34:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 13:34:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 13:34:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-11-19 13:34:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-11-19 13:34:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:34:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:34:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 13:34:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 13:34:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:34:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:34:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-19 13:34:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-19 13:34:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:34:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:34:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-11-19 13:34:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-11-19 13:34:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-11-19 13:34:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-11-19 13:34:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-11-19 13:34:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-11-19 13:34:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:34:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:34:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:34:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:34:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-11-19 13:34:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-11-19 13:34:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-19 13:34:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-19 13:34:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-19 13:34:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-19 13:34:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:34:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:34:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-19 13:34:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-19 13:34:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:34:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:34:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:34:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:34:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:34:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:34:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 13:34:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 13:34:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-11-19 13:34:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-11-19 13:34:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-11-19 13:34:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-11-19 13:34:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:34:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:34:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:34:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:34:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:34:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:34:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:34:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-19 13:34:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-19 13:34:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-11-19 13:34:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-11-19 13:34:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:34:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:34:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:34:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:34:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:34:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:34:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-11-19 13:34:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-11-19 13:34:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:34:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:34:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-11-19 13:34:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-11-19 13:34:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:34:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-19 13:34:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-19 13:34:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:34:50,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:34:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:34:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 13:34:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 13:34:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-11-19 13:34:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-11-19 13:34:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-19 13:34:50,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-19 13:34:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-11-19 13:34:50,695 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-11-19 13:34:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:34:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:34:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-11-19 13:34:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-11-19 13:34:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 13:34:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 13:34:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:34:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:34:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-11-19 13:34:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-11-19 13:34:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-11-19 13:34:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-11-19 13:34:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:34:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:34:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:34:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-19 13:34:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-19 13:34:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:34:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:34:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-11-19 13:34:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-11-19 13:34:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 13:34:50,700 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 13:34:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 13:34:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 13:34:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 13:34:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 13:34:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-11-19 13:34:50,701 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-11-19 13:34:50,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:34:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 13:34:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 13:34:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 13:34:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 13:34:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-19 13:34:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-19 13:34:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:34:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-11-19 13:34:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-11-19 13:34:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-19 13:34:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-19 13:34:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:34:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:34:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:34:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:34:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:34:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:34:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-19 13:34:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-19 13:34:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 13:34:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 13:34:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-11-19 13:34:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-11-19 13:34:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-11-19 13:34:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-11-19 13:34:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-11-19 13:34:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-11-19 13:34:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-11-19 13:34:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-11-19 13:34:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-19 13:34:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-19 13:34:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-11-19 13:34:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-11-19 13:34:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:34:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:34:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-11-19 13:34:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-11-19 13:34:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:34:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:34:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2021-11-19 13:34:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2021-11-19 13:34:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-19 13:34:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-19 13:34:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 13:34:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 13:34:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-11-19 13:34:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-11-19 13:34:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:34:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:34:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:34:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:34:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:34:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:34:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:34:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-11-19 13:34:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-11-19 13:34:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-19 13:34:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-19 13:34:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:34:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-19 13:34:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-19 13:34:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-11-19 13:34:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-11-19 13:34:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-11-19 13:34:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-11-19 13:34:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 13:34:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 13:34:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-11-19 13:34:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-11-19 13:34:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:34:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:34:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:34:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:34:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:34:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 13:34:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 13:34:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-11-19 13:34:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-11-19 13:34:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-11-19 13:34:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-11-19 13:34:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 13:34:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 13:34:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 13:34:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 13:34:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 13:34:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 13:34:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-11-19 13:34:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-11-19 13:34:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 13:34:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 13:34:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:34:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:34:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-11-19 13:34:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-11-19 13:34:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-11-19 13:34:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-11-19 13:34:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:34:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:34:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-19 13:34:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-19 13:34:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-11-19 13:34:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-11-19 13:34:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-11-19 13:34:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-11-19 13:34:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:34:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:34:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-11-19 13:34:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-11-19 13:34:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-11-19 13:34:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-11-19 13:34:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:34:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:34:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:34:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:34:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-11-19 13:34:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-11-19 13:34:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-11-19 13:34:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-11-19 13:34:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-11-19 13:34:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-11-19 13:34:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:34:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:34:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 13:34:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 13:34:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:34:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:34:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-19 13:34:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-19 13:34:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 13:34:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 13:34:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-11-19 13:34:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-11-19 13:34:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-11-19 13:34:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-11-19 13:34:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:34:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:34:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:34:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:34:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-11-19 13:34:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-11-19 13:34:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-19 13:34:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-19 13:34:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 13:34:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 13:34:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:34:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:34:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-11-19 13:34:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-11-19 13:34:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-19 13:34:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-19 13:34:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-11-19 13:34:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-11-19 13:34:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 13:34:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 13:34:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 13:34:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 13:34:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-11-19 13:34:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-11-19 13:34:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 13:34:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 13:34:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-19 13:34:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-19 13:34:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:34:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:34:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-11-19 13:34:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-11-19 13:34:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-11-19 13:34:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-11-19 13:34:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:34:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:34:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-11-19 13:34:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-11-19 13:34:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-11-19 13:34:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-11-19 13:34:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-11-19 13:34:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-11-19 13:34:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-19 13:34:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-19 13:34:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-11-19 13:34:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-11-19 13:34:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-19 13:34:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-19 13:34:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-19 13:34:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-19 13:34:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-11-19 13:34:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-11-19 13:34:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:34:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:34:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-11-19 13:34:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-11-19 13:34:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 13:34:50,738 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 13:34:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-11-19 13:34:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-11-19 13:34:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-11-19 13:34:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-11-19 13:34:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-11-19 13:34:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-11-19 13:34:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-11-19 13:34:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-11-19 13:34:52,422 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:34:52,430 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:34:55,090 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:38:07,795 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:38:09,920 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:38:09,961 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:38:09,962 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-19 13:38:09,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:09 BoogieIcfgContainer [2021-11-19 13:38:09,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:38:09,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:38:09,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:38:09,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:38:09,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:34:39" (1/3) ... [2021-11-19 13:38:09,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606ebb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:09, skipping insertion in model container [2021-11-19 13:38:09,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:49" (2/3) ... [2021-11-19 13:38:09,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606ebb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:09, skipping insertion in model container [2021-11-19 13:38:09,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:09" (3/3) ... [2021-11-19 13:38:09,985 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2021-11-19 13:38:10,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:38:10,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 13:38:10,104 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:38:10,115 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:38:10,115 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 13:38:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 4900 states, 3313 states have (on average 1.3317235134319347) internal successors, (4412), 3428 states have internal predecessors, (4412), 1396 states have call successors, (1396), 191 states have call predecessors, (1396), 190 states have return successors, (1389), 1342 states have call predecessors, (1389), 1389 states have call successors, (1389) [2021-11-19 13:38:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-19 13:38:10,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:10,429 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:10,430 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:38:10,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:10,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1819798301, now seen corresponding path program 1 times [2021-11-19 13:38:10,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:10,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105465458] [2021-11-19 13:38:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:10,467 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:10,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:10,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:10,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:38:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:16,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 4646 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:38:16,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2021-11-19 13:38:19,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15576 trivial. 0 not checked. [2021-11-19 13:38:22,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:22,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105465458] [2021-11-19 13:38:22,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105465458] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:22,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:22,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:38:22,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708852881] [2021-11-19 13:38:22,613 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:22,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:38:22,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:38:22,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:38:22,689 INFO L87 Difference]: Start difference. First operand has 4900 states, 3313 states have (on average 1.3317235134319347) internal successors, (4412), 3428 states have internal predecessors, (4412), 1396 states have call successors, (1396), 191 states have call predecessors, (1396), 190 states have return successors, (1389), 1342 states have call predecessors, (1389), 1389 states have call successors, (1389) Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-19 13:38:25,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:39,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:39,354 INFO L93 Difference]: Finished difference Result 18875 states and 28371 transitions. [2021-11-19 13:39:39,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:39:39,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) Word has length 680 [2021-11-19 13:39:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:39,566 INFO L225 Difference]: With dead ends: 18875 [2021-11-19 13:39:39,566 INFO L226 Difference]: Without dead ends: 14077 [2021-11-19 13:39:39,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1356 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:39:39,647 INFO L933 BasicCegarLoop]: 9758 mSDtfsCounter, 13868 mSDsluCounter, 17781 mSDsCounter, 0 mSdLazyCounter, 2822 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13868 SdHoareTripleChecker+Valid, 27539 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:39,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13868 Valid, 27539 Invalid, 2855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 2822 Invalid, 1 Unknown, 0 Unchecked, 75.4s Time] [2021-11-19 13:39:39,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14077 states. [2021-11-19 13:39:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14077 to 14069. [2021-11-19 13:39:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14069 states, 9541 states have (on average 1.3338224504768892) internal successors, (12726), 9886 states have internal predecessors, (12726), 3966 states have call successors, (3966), 561 states have call predecessors, (3966), 560 states have return successors, (3963), 3822 states have call predecessors, (3963), 3963 states have call successors, (3963) [2021-11-19 13:39:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14069 states to 14069 states and 20655 transitions. [2021-11-19 13:39:41,143 INFO L78 Accepts]: Start accepts. Automaton has 14069 states and 20655 transitions. Word has length 680 [2021-11-19 13:39:41,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:41,154 INFO L470 AbstractCegarLoop]: Abstraction has 14069 states and 20655 transitions. [2021-11-19 13:39:41,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-19 13:39:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 14069 states and 20655 transitions. [2021-11-19 13:39:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2021-11-19 13:39:41,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:41,205 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:41,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:41,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:41,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:39:41,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:41,421 INFO L85 PathProgramCache]: Analyzing trace with hash 2063910599, now seen corresponding path program 1 times [2021-11-19 13:39:41,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:41,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413383570] [2021-11-19 13:39:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:41,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:41,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:41,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:41,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:39:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:47,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 4697 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:39:47,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2021-11-19 13:39:51,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:54,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15576 trivial. 0 not checked. [2021-11-19 13:39:54,364 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:54,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413383570] [2021-11-19 13:39:54,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413383570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:54,365 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:54,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:39:54,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163550231] [2021-11-19 13:39:54,366 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:54,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:39:54,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:54,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:39:54,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:39:54,370 INFO L87 Difference]: Start difference. First operand 14069 states and 20655 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-19 13:39:57,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:10,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:10,247 INFO L93 Difference]: Finished difference Result 44607 states and 65305 transitions. [2021-11-19 13:41:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:41:10,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) Word has length 701 [2021-11-19 13:41:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:10,509 INFO L225 Difference]: With dead ends: 44607 [2021-11-19 13:41:10,510 INFO L226 Difference]: Without dead ends: 30661 [2021-11-19 13:41:10,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1400 GetRequests, 1398 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 13:41:10,594 INFO L933 BasicCegarLoop]: 9553 mSDtfsCounter, 12961 mSDsluCounter, 12838 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12961 SdHoareTripleChecker+Valid, 22391 SdHoareTripleChecker+Invalid, 2774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:10,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12961 Valid, 22391 Invalid, 2774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 2724 Invalid, 1 Unknown, 0 Unchecked, 74.6s Time] [2021-11-19 13:41:10,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30661 states. [2021-11-19 13:41:12,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30661 to 30647. [2021-11-19 13:41:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30647 states, 20865 states have (on average 1.3361610352264557) internal successors, (27879), 21610 states have internal predecessors, (27879), 8447 states have call successors, (8447), 1336 states have call predecessors, (8447), 1333 states have return successors, (8444), 8170 states have call predecessors, (8444), 8444 states have call successors, (8444) [2021-11-19 13:41:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30647 states to 30647 states and 44770 transitions. [2021-11-19 13:41:12,612 INFO L78 Accepts]: Start accepts. Automaton has 30647 states and 44770 transitions. Word has length 701 [2021-11-19 13:41:12,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:12,615 INFO L470 AbstractCegarLoop]: Abstraction has 30647 states and 44770 transitions. [2021-11-19 13:41:12,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-19 13:41:12,615 INFO L276 IsEmpty]: Start isEmpty. Operand 30647 states and 44770 transitions. [2021-11-19 13:41:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2021-11-19 13:41:12,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:12,688 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:12,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:12,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:12,915 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:41:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -736754964, now seen corresponding path program 1 times [2021-11-19 13:41:12,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:12,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147779853] [2021-11-19 13:41:12,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:12,921 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:12,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:12,922 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:12,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:41:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:19,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 4912 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:41:19,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 15637 trivial. 0 not checked. [2021-11-19 13:41:22,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16037 trivial. 0 not checked. [2021-11-19 13:41:24,765 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:24,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147779853] [2021-11-19 13:41:24,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147779853] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:24,765 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:24,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 13:41:24,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401647903] [2021-11-19 13:41:24,767 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:24,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:41:24,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:24,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:41:24,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:41:24,771 INFO L87 Difference]: Start difference. First operand 30647 states and 44770 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-19 13:41:26,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:28,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:33,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:35,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:37,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:37,515 INFO L93 Difference]: Finished difference Result 77734 states and 115563 transitions. [2021-11-19 13:41:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:41:37,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 785 [2021-11-19 13:41:37,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:37,853 INFO L225 Difference]: With dead ends: 77734 [2021-11-19 13:41:37,854 INFO L226 Difference]: Without dead ends: 49978 [2021-11-19 13:41:37,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1572 GetRequests, 1567 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:41:37,977 INFO L933 BasicCegarLoop]: 11870 mSDtfsCounter, 6006 mSDsluCounter, 28213 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1724 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6579 SdHoareTripleChecker+Valid, 40083 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1724 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:37,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6579 Valid, 40083 Invalid, 1740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1724 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2021-11-19 13:41:38,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49978 states. [2021-11-19 13:41:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49978 to 30656. [2021-11-19 13:41:40,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30656 states, 20874 states have (on average 1.336016096579477) internal successors, (27888), 21619 states have internal predecessors, (27888), 8447 states have call successors, (8447), 1336 states have call predecessors, (8447), 1333 states have return successors, (8444), 8170 states have call predecessors, (8444), 8444 states have call successors, (8444) [2021-11-19 13:41:41,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30656 states to 30656 states and 44779 transitions. [2021-11-19 13:41:41,024 INFO L78 Accepts]: Start accepts. Automaton has 30656 states and 44779 transitions. Word has length 785 [2021-11-19 13:41:41,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:41,026 INFO L470 AbstractCegarLoop]: Abstraction has 30656 states and 44779 transitions. [2021-11-19 13:41:41,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-19 13:41:41,027 INFO L276 IsEmpty]: Start isEmpty. Operand 30656 states and 44779 transitions. [2021-11-19 13:41:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2021-11-19 13:41:41,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:41,249 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:41,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:41,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:41,471 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:41:41,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:41,472 INFO L85 PathProgramCache]: Analyzing trace with hash -752273682, now seen corresponding path program 1 times [2021-11-19 13:41:41,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:41,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155758011] [2021-11-19 13:41:41,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:41,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:41,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:41,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:41,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:41:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:48,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 4912 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:41:48,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2021-11-19 13:42:26,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2021-11-19 13:42:35,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:35,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155758011] [2021-11-19 13:42:35,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155758011] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:35,570 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:35,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 13:42:35,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495800673] [2021-11-19 13:42:35,571 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:35,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:42:35,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:35,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:42:35,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:42:35,574 INFO L87 Difference]: Start difference. First operand 30656 states and 44779 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2021-11-19 13:42:37,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:37,534 INFO L93 Difference]: Finished difference Result 30656 states and 44779 transitions. [2021-11-19 13:42:37,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:42:37,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 785 [2021-11-19 13:42:37,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:37,872 INFO L225 Difference]: With dead ends: 30656 [2021-11-19 13:42:37,873 INFO L226 Difference]: Without dead ends: 30320 [2021-11-19 13:42:37,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1569 GetRequests, 1565 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:42:37,905 INFO L933 BasicCegarLoop]: 7136 mSDtfsCounter, 6872 mSDsluCounter, 7136 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6872 SdHoareTripleChecker+Valid, 14272 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:37,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6872 Valid, 14272 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 13:42:37,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30320 states. [2021-11-19 13:42:40,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30320 to 30287. [2021-11-19 13:42:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30287 states, 20643 states have (on average 1.3364336578985612) internal successors, (27588), 21373 states have internal predecessors, (27588), 8334 states have call successors, (8334), 1309 states have call predecessors, (8334), 1309 states have return successors, (8334), 8068 states have call predecessors, (8334), 8334 states have call successors, (8334) [2021-11-19 13:42:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30287 states to 30287 states and 44256 transitions. [2021-11-19 13:42:40,470 INFO L78 Accepts]: Start accepts. Automaton has 30287 states and 44256 transitions. Word has length 785 [2021-11-19 13:42:40,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:40,472 INFO L470 AbstractCegarLoop]: Abstraction has 30287 states and 44256 transitions. [2021-11-19 13:42:40,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2021-11-19 13:42:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 30287 states and 44256 transitions. [2021-11-19 13:42:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-11-19 13:42:40,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:40,641 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 60, 60, 60, 60, 60, 60, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:40,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:40,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:40,867 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:40,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:40,868 INFO L85 PathProgramCache]: Analyzing trace with hash -672748248, now seen corresponding path program 1 times [2021-11-19 13:42:40,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:40,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732252586] [2021-11-19 13:42:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:40,874 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:40,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:40,875 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:40,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:42:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:48,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 5222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:42:48,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 1520 proven. 0 refuted. 0 times theorem prover too weak. 15719 trivial. 0 not checked. [2021-11-19 13:42:53,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17233 trivial. 0 not checked. [2021-11-19 13:42:57,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:57,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732252586] [2021-11-19 13:42:57,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732252586] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:57,175 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:57,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:42:57,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503374149] [2021-11-19 13:42:57,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:57,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:42:57,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:57,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:42:57,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:57,179 INFO L87 Difference]: Start difference. First operand 30287 states and 44256 transitions. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 13:42:59,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:43:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:15,736 INFO L93 Difference]: Finished difference Result 76642 states and 113935 transitions. [2021-11-19 13:43:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:15,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 896 [2021-11-19 13:43:15,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:16,068 INFO L225 Difference]: With dead ends: 76642 [2021-11-19 13:43:16,069 INFO L226 Difference]: Without dead ends: 49246 [2021-11-19 13:43:16,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1790 GetRequests, 1788 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 13:43:16,480 INFO L933 BasicCegarLoop]: 11376 mSDtfsCounter, 4602 mSDsluCounter, 9637 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5718 SdHoareTripleChecker+Valid, 21013 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:16,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5718 Valid, 21013 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2021-11-19 13:43:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49246 states. [2021-11-19 13:43:19,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49246 to 30290. [2021-11-19 13:43:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30290 states, 20646 states have (on average 1.3363847718686428) internal successors, (27591), 21376 states have internal predecessors, (27591), 8334 states have call successors, (8334), 1309 states have call predecessors, (8334), 1309 states have return successors, (8334), 8068 states have call predecessors, (8334), 8334 states have call successors, (8334) [2021-11-19 13:43:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30290 states to 30290 states and 44259 transitions. [2021-11-19 13:43:19,680 INFO L78 Accepts]: Start accepts. Automaton has 30290 states and 44259 transitions. Word has length 896 [2021-11-19 13:43:19,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:19,683 INFO L470 AbstractCegarLoop]: Abstraction has 30290 states and 44259 transitions. [2021-11-19 13:43:19,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 13:43:19,683 INFO L276 IsEmpty]: Start isEmpty. Operand 30290 states and 44259 transitions. [2021-11-19 13:43:20,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-11-19 13:43:20,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:20,095 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 60, 60, 60, 60, 60, 60, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:20,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:20,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:20,311 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:43:20,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:20,312 INFO L85 PathProgramCache]: Analyzing trace with hash 611806444, now seen corresponding path program 1 times [2021-11-19 13:43:20,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:20,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889738143] [2021-11-19 13:43:20,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:20,317 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:20,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:20,319 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:20,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:43:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:28,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 5222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:43:28,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 1520 proven. 0 refuted. 0 times theorem prover too weak. 15719 trivial. 0 not checked. [2021-11-19 13:43:33,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17233 trivial. 0 not checked. [2021-11-19 13:43:36,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:36,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889738143] [2021-11-19 13:43:36,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889738143] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:36,516 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:36,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:43:36,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552686405] [2021-11-19 13:43:36,517 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:36,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:43:36,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:36,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:43:36,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:43:36,520 INFO L87 Difference]: Start difference. First operand 30290 states and 44259 transitions. Second operand has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2021-11-19 13:43:52,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:52,485 INFO L93 Difference]: Finished difference Result 76648 states and 113941 transitions. [2021-11-19 13:43:52,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:52,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 896 [2021-11-19 13:43:52,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:52,867 INFO L225 Difference]: With dead ends: 76648 [2021-11-19 13:43:52,867 INFO L226 Difference]: Without dead ends: 49249 [2021-11-19 13:43:53,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1790 GetRequests, 1788 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 13:43:53,020 INFO L933 BasicCegarLoop]: 12109 mSDtfsCounter, 3513 mSDsluCounter, 17762 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 29871 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:53,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4629 Valid, 29871 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2021-11-19 13:43:53,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49249 states. [2021-11-19 13:43:55,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49249 to 30293. [2021-11-19 13:43:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30293 states, 20649 states have (on average 1.3363359000435857) internal successors, (27594), 21379 states have internal predecessors, (27594), 8334 states have call successors, (8334), 1309 states have call predecessors, (8334), 1309 states have return successors, (8334), 8068 states have call predecessors, (8334), 8334 states have call successors, (8334) [2021-11-19 13:43:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30293 states to 30293 states and 44262 transitions. [2021-11-19 13:43:56,208 INFO L78 Accepts]: Start accepts. Automaton has 30293 states and 44262 transitions. Word has length 896 [2021-11-19 13:43:56,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:56,210 INFO L470 AbstractCegarLoop]: Abstraction has 30293 states and 44262 transitions. [2021-11-19 13:43:56,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2021-11-19 13:43:56,210 INFO L276 IsEmpty]: Start isEmpty. Operand 30293 states and 44262 transitions. [2021-11-19 13:43:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-11-19 13:43:56,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:56,774 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 60, 60, 60, 60, 60, 60, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:56,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:56,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:56,975 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:43:56,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash 273518894, now seen corresponding path program 1 times [2021-11-19 13:43:56,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:56,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367635885] [2021-11-19 13:43:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:56,981 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:56,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:56,983 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:56,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:44:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:44:04,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 5222 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:44:04,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:44:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 1520 proven. 0 refuted. 0 times theorem prover too weak. 15719 trivial. 0 not checked. [2021-11-19 13:44:09,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:44:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17233 trivial. 0 not checked. [2021-11-19 13:44:13,079 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:44:13,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367635885] [2021-11-19 13:44:13,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367635885] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:44:13,079 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:44:13,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 13:44:13,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465112156] [2021-11-19 13:44:13,080 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:44:13,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:44:13,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:44:13,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:44:13,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:44:13,083 INFO L87 Difference]: Start difference. First operand 30293 states and 44262 transitions. Second operand has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2021-11-19 13:44:15,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:44:16,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:44:20,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:44:22,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:44:26,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:26,037 INFO L93 Difference]: Finished difference Result 86201 states and 128921 transitions. [2021-11-19 13:44:26,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:44:26,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 896 [2021-11-19 13:44:26,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:26,538 INFO L225 Difference]: With dead ends: 86201 [2021-11-19 13:44:26,538 INFO L226 Difference]: Without dead ends: 58799 [2021-11-19 13:44:26,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1794 GetRequests, 1789 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:44:26,664 INFO L933 BasicCegarLoop]: 11903 mSDtfsCounter, 9987 mSDsluCounter, 30543 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10545 SdHoareTripleChecker+Valid, 42446 SdHoareTripleChecker+Invalid, 2816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2799 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:26,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10545 Valid, 42446 Invalid, 2816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2799 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-11-19 13:44:26,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58799 states. [2021-11-19 13:44:29,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58799 to 30302. [2021-11-19 13:44:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30302 states, 20658 states have (on average 1.3361893697356957) internal successors, (27603), 21388 states have internal predecessors, (27603), 8334 states have call successors, (8334), 1309 states have call predecessors, (8334), 1309 states have return successors, (8334), 8068 states have call predecessors, (8334), 8334 states have call successors, (8334) [2021-11-19 13:44:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30302 states to 30302 states and 44271 transitions. [2021-11-19 13:44:29,165 INFO L78 Accepts]: Start accepts. Automaton has 30302 states and 44271 transitions. Word has length 896 [2021-11-19 13:44:29,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:44:29,166 INFO L470 AbstractCegarLoop]: Abstraction has 30302 states and 44271 transitions. [2021-11-19 13:44:29,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2021-11-19 13:44:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30302 states and 44271 transitions. [2021-11-19 13:44:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-11-19 13:44:29,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:44:29,437 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 60, 60, 60, 60, 60, 60, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:44:29,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-19 13:44:29,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:44:29,651 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:44:29,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:44:29,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2090322768, now seen corresponding path program 1 times [2021-11-19 13:44:29,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:44:29,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243942887] [2021-11-19 13:44:29,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:44:29,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:44:29,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:44:29,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:44:29,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 13:44:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:44:36,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 5222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:44:36,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:44:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 839 proven. 0 refuted. 0 times theorem prover too weak. 16400 trivial. 0 not checked. [2021-11-19 13:44:40,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:44:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17239 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 17216 trivial. 0 not checked. [2021-11-19 13:44:44,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:44:44,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243942887] [2021-11-19 13:44:44,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243942887] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:44:44,257 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:44:44,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:44:44,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170364361] [2021-11-19 13:44:44,257 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:44:44,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:44:44,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:44:44,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:44:44,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:44:44,261 INFO L87 Difference]: Start difference. First operand 30302 states and 44271 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 4 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (90), 4 states have call predecessors, (90), 4 states have call successors, (90) [2021-11-19 13:44:47,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:45:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:45:43,601 INFO L93 Difference]: Finished difference Result 82431 states and 120341 transitions. [2021-11-19 13:45:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:45:43,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 4 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (90), 4 states have call predecessors, (90), 4 states have call successors, (90) Word has length 896 [2021-11-19 13:45:43,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:45:43,927 INFO L225 Difference]: With dead ends: 82431 [2021-11-19 13:45:43,927 INFO L226 Difference]: Without dead ends: 55020 [2021-11-19 13:45:44,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1790 GetRequests, 1788 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 13:45:44,053 INFO L933 BasicCegarLoop]: 14181 mSDtfsCounter, 12813 mSDsluCounter, 11708 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12813 SdHoareTripleChecker+Valid, 25889 SdHoareTripleChecker+Invalid, 2756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:45:44,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12813 Valid, 25889 Invalid, 2756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 2723 Invalid, 1 Unknown, 0 Unchecked, 56.5s Time] [2021-11-19 13:45:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55020 states. [2021-11-19 13:45:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55020 to 55018. [2021-11-19 13:45:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55018 states, 37544 states have (on average 1.338402940549755) internal successors, (50249), 38877 states have internal predecessors, (50249), 15069 states have call successors, (15069), 2404 states have call predecessors, (15069), 2404 states have return successors, (15069), 14596 states have call predecessors, (15069), 15069 states have call successors, (15069) [2021-11-19 13:45:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55018 states to 55018 states and 80387 transitions. [2021-11-19 13:45:47,450 INFO L78 Accepts]: Start accepts. Automaton has 55018 states and 80387 transitions. Word has length 896 [2021-11-19 13:45:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:45:47,451 INFO L470 AbstractCegarLoop]: Abstraction has 55018 states and 80387 transitions. [2021-11-19 13:45:47,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 4 states have call successors, (90), 3 states have call predecessors, (90), 3 states have return successors, (90), 4 states have call predecessors, (90), 4 states have call successors, (90) [2021-11-19 13:45:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 55018 states and 80387 transitions. [2021-11-19 13:45:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 953 [2021-11-19 13:45:47,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:45:47,581 INFO L514 BasicCegarLoop]: trace histogram [66, 66, 60, 60, 60, 60, 60, 60, 13, 13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:45:47,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 13:45:47,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:45:47,797 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:45:47,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:45:47,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1319559957, now seen corresponding path program 1 times [2021-11-19 13:45:47,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:45:47,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811040104] [2021-11-19 13:45:47,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:45:47,801 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:45:47,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:45:47,802 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:45:47,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:45:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:45:55,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 5330 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:45:55,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:46:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 17475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17475 trivial. 0 not checked. [2021-11-19 13:46:32,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:46:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 17475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17475 trivial. 0 not checked. [2021-11-19 13:46:43,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:46:43,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811040104] [2021-11-19 13:46:43,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811040104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:46:43,702 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:46:43,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 13:46:43,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604999578] [2021-11-19 13:46:43,703 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:46:43,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:46:43,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:46:43,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:46:43,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:46:43,706 INFO L87 Difference]: Start difference. First operand 55018 states and 80387 transitions. Second operand has 5 states, 5 states have (on average 44.0) internal successors, (220), 5 states have internal predecessors, (220), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2021-11-19 13:46:59,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:46:59,337 INFO L93 Difference]: Finished difference Result 73621 states and 109540 transitions. [2021-11-19 13:46:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:46:59,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.0) internal successors, (220), 5 states have internal predecessors, (220), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) Word has length 952 [2021-11-19 13:46:59,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:46:59,349 INFO L225 Difference]: With dead ends: 73621 [2021-11-19 13:46:59,349 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 13:46:59,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1903 GetRequests, 1899 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:46:59,595 INFO L933 BasicCegarLoop]: 9468 mSDtfsCounter, 10921 mSDsluCounter, 7665 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 1146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10921 SdHoareTripleChecker+Valid, 17133 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1146 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:46:59,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10921 Valid, 17133 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1146 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2021-11-19 13:46:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 13:46:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 13:46:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:46:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 13:46:59,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 952 [2021-11-19 13:46:59,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:46:59,609 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 13:46:59,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.0) internal successors, (220), 5 states have internal predecessors, (220), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2021-11-19 13:46:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 13:46:59,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 13:46:59,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 13:46:59,613 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-19 13:46:59,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 13:46:59,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f94598b3-7d18-4577-8a45-4f1360ea6ac6/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:46:59,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.