./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:13:20,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:13:20,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:13:20,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:13:20,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:13:20,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:13:20,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:13:20,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:13:20,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:13:20,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:13:20,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:13:20,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:13:20,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:13:20,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:13:20,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:13:20,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:13:20,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:13:20,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:13:20,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:13:20,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:13:20,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:13:20,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:13:20,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:13:20,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:13:20,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:13:20,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:13:20,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:13:20,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:13:20,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:13:20,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:13:20,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:13:20,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:13:20,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:13:20,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:13:20,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:13:20,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:13:20,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:13:20,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:13:20,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:13:20,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:13:20,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:13:20,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:13:20,232 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:13:20,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:13:20,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:13:20,234 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:13:20,234 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:13:20,234 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:13:20,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:13:20,235 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:13:20,235 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:13:20,235 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:13:20,236 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:13:20,236 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:13:20,236 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:13:20,236 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:13:20,237 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:13:20,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:13:20,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:13:20,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:13:20,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:13:20,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:13:20,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:13:20,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:13:20,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:13:20,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:13:20,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:13:20,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:13:20,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:13:20,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:13:20,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:13:20,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:13:20,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:13:20,246 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:13:20,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:13:20,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:13:20,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:13:20,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:13:20,247 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_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2021-11-07 01:13:20,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:13:20,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:13:20,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:13:20,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:13:20,597 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:13:20,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-11-07 01:13:20,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/1a443758e/60a8c1b853bf41099d56ea651aa7c48d/FLAGc44a26057 [2021-11-07 01:13:21,911 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:13:21,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-11-07 01:13:21,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/1a443758e/60a8c1b853bf41099d56ea651aa7c48d/FLAGc44a26057 [2021-11-07 01:13:22,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/1a443758e/60a8c1b853bf41099d56ea651aa7c48d [2021-11-07 01:13:22,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:13:22,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:13:22,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:13:22,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:13:22,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:13:22,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:22" (1/1) ... [2021-11-07 01:13:22,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b18fcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:22, skipping insertion in model container [2021-11-07 01:13:22,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:22" (1/1) ... [2021-11-07 01:13:22,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:13:22,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:13:24,131 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:24,958 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,570 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,602 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,603 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,630 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,631 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,716 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,719 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,722 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,724 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,725 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,726 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,765 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:25,774 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:13:28,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2021-11-07 01:13:28,177 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2021-11-07 01:13:28,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2021-11-07 01:13:28,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2021-11-07 01:13:28,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:13:28,362 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:13:28,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6991df4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:28, skipping insertion in model container [2021-11-07 01:13:28,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:13:28,363 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:13:28,365 INFO L168 Benchmark]: Toolchain (without parser) took 6232.69 ms. Allocated memory was 111.1 MB in the beginning and 169.9 MB in the end (delta: 58.7 MB). Free memory was 76.0 MB in the beginning and 65.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:13:28,366 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 67.9 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:13:28,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6226.70 ms. Allocated memory was 111.1 MB in the beginning and 169.9 MB in the end (delta: 58.7 MB). Free memory was 75.9 MB in the beginning and 65.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:13:28,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 67.9 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6226.70 ms. Allocated memory was 111.1 MB in the beginning and 169.9 MB in the end (delta: 58.7 MB). Free memory was 75.9 MB in the beginning and 65.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5970]: 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_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:13:30,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:13:30,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:13:30,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:13:30,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:13:30,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:13:30,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:13:30,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:13:30,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:13:30,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:13:30,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:13:30,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:13:30,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:13:30,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:13:30,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:13:30,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:13:30,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:13:30,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:13:30,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:13:30,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:13:30,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:13:30,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:13:30,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:13:30,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:13:30,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:13:30,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:13:30,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:13:30,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:13:30,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:13:30,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:13:30,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:13:30,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:13:30,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:13:30,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:13:30,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:13:30,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:13:30,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:13:30,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:13:30,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:13:30,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:13:30,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:13:30,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:13:30,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:13:30,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:13:30,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:13:30,825 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:13:30,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:13:30,825 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:13:30,826 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:13:30,826 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:13:30,826 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:13:30,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:13:30,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:13:30,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:13:30,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:13:30,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:13:30,830 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:13:30,830 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:13:30,830 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:13:30,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:13:30,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:13:30,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:13:30,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:13:30,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:13:30,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:13:30,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:13:30,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:13:30,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:13:30,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:13:30,833 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:13:30,833 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:13:30,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:13:30,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:13:30,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:13:30,834 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_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2021-11-07 01:13:31,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:13:31,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:13:31,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:13:31,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:13:31,296 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:13:31,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-11-07 01:13:31,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/236ef5316/481cfac2472d4192931695a48d94419d/FLAG0ea9dd519 [2021-11-07 01:13:32,641 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:13:32,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-11-07 01:13:32,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/236ef5316/481cfac2472d4192931695a48d94419d/FLAG0ea9dd519 [2021-11-07 01:13:32,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/data/236ef5316/481cfac2472d4192931695a48d94419d [2021-11-07 01:13:32,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:13:32,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:13:32,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:13:32,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:13:32,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:13:32,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:32" (1/1) ... [2021-11-07 01:13:32,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccae1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:32, skipping insertion in model container [2021-11-07 01:13:32,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:32" (1/1) ... [2021-11-07 01:13:32,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:13:33,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:13:38,103 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2021-11-07 01:13:38,106 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2021-11-07 01:13:38,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2021-11-07 01:13:38,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2021-11-07 01:13:38,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:13:38,319 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:13:38,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:13:39,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2021-11-07 01:13:39,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2021-11-07 01:13:39,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2021-11-07 01:13:39,091 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2021-11-07 01:13:39,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:13:39,167 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:13:39,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2021-11-07 01:13:39,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2021-11-07 01:13:39,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2021-11-07 01:13:39,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2021-11-07 01:13:39,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:13:40,225 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:13:40,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40 WrapperNode [2021-11-07 01:13:40,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:13:40,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:13:40,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:13:40,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:13:40,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:40,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:43,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:13:43,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:13:43,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:13:43,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:13:43,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:43,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:43,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:43,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:45,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:45,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:45,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:46,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:13:46,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:13:46,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:13:46,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:13:46,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (1/1) ... [2021-11-07 01:13:46,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:13:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:13:46,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:13:46,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:13:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-11-07 01:13:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-11-07 01:13:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-07 01:13:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-11-07 01:13:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-11-07 01:13:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 01:13:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:13:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:13:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:13:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:13:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:13:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:13:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:13:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 01:13:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:13:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:13:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:13:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:13:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:13:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:13:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:13:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:13:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:13:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:13:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:13:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:13:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:13:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:13:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:13:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:13:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:13:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:13:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:13:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:13:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:13:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:13:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:24:05,426 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-07 01:24:05,426 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-07 01:24:05,427 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-07 01:24:05,427 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 01:24:05,430 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 01:24:05,433 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 01:24:05,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:24:05,519 INFO L299 CfgBuilder]: Removed 15179 assume(true) statements. [2021-11-07 01:24:05,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:24:05 BoogieIcfgContainer [2021-11-07 01:24:05,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:24:05,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:24:05,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:24:05,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:24:05,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:13:32" (1/3) ... [2021-11-07 01:24:05,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9d40e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:24:05, skipping insertion in model container [2021-11-07 01:24:05,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:40" (2/3) ... [2021-11-07 01:24:05,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9d40e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:24:05, skipping insertion in model container [2021-11-07 01:24:05,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:24:05" (3/3) ... [2021-11-07 01:24:05,541 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-11-07 01:24:05,547 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:24:05,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 208 error locations. [2021-11-07 01:24:05,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:24:05,647 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:24:05,647 INFO L340 AbstractCegarLoop]: Starting to check reachability of 208 error locations. [2021-11-07 01:24:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 14955 states, 14679 states have (on average 1.354520062674569) internal successors, (19883), 14886 states have internal predecessors, (19883), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-11-07 01:24:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:24:05,893 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:05,893 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:05,894 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 205 more)] === [2021-11-07 01:24:05,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash 607482254, now seen corresponding path program 1 times [2021-11-07 01:24:05,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:24:05,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472295894] [2021-11-07 01:24:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:05,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:24:05,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:24:05,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:24:05,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:24:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:17,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 5421 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:24:17,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:24:17,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:24:17,866 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:24:17,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472295894] [2021-11-07 01:24:17,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472295894] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:24:17,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:24:17,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:24:17,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564622184] [2021-11-07 01:24:17,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:24:17,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:24:17,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:24:17,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:24:17,916 INFO L87 Difference]: Start difference. First operand has 14955 states, 14679 states have (on average 1.354520062674569) internal successors, (19883), 14886 states have internal predecessors, (19883), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:24,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:24,227 INFO L93 Difference]: Finished difference Result 57300 states and 77001 transitions. [2021-11-07 01:24:24,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:24:24,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:24:24,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:24,487 INFO L225 Difference]: With dead ends: 57300 [2021-11-07 01:24:24,487 INFO L226 Difference]: Without dead ends: 41012 [2021-11-07 01:24:24,547 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:24:24,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41012 states. [2021-11-07 01:24:25,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41012 to 39346. [2021-11-07 01:24:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39346 states, 38934 states have (on average 1.2552524785534493) internal successors, (48872), 39141 states have internal predecessors, (48872), 198 states have call successors, (198), 6 states have call predecessors, (198), 6 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2021-11-07 01:24:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39346 states to 39346 states and 49268 transitions. [2021-11-07 01:24:26,429 INFO L78 Accepts]: Start accepts. Automaton has 39346 states and 49268 transitions. Word has length 33 [2021-11-07 01:24:26,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:26,432 INFO L470 AbstractCegarLoop]: Abstraction has 39346 states and 49268 transitions. [2021-11-07 01:24:26,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 39346 states and 49268 transitions. [2021-11-07 01:24:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:24:26,443 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:26,443 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:26,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:26,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:24:26,667 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 205 more)] === [2021-11-07 01:24:26,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:26,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1083935826, now seen corresponding path program 1 times [2021-11-07 01:24:26,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:24:26,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846245438] [2021-11-07 01:24:26,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:26,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:24:26,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:24:26,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:24:26,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:24:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:38,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 5421 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:24:38,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:24:38,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:24:38,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:24:38,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846245438] [2021-11-07 01:24:38,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846245438] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:24:38,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:24:38,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:24:38,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114591098] [2021-11-07 01:24:38,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:24:38,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:24:38,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:24:38,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:24:38,846 INFO L87 Difference]: Start difference. First operand 39346 states and 49268 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:46,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:46,016 INFO L93 Difference]: Finished difference Result 156578 states and 196170 transitions. [2021-11-07 01:24:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:24:46,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 01:24:46,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:46,627 INFO L225 Difference]: With dead ends: 156578 [2021-11-07 01:24:46,627 INFO L226 Difference]: Without dead ends: 117284 [2021-11-07 01:24:46,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:24:46,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117284 states. [2021-11-07 01:24:50,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117284 to 116596. [2021-11-07 01:24:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116596 states, 115776 states have (on average 1.255907960199005) internal successors, (145404), 115983 states have internal predecessors, (145404), 594 states have call successors, (594), 18 states have call predecessors, (594), 18 states have return successors, (594), 594 states have call predecessors, (594), 594 states have call successors, (594) [2021-11-07 01:24:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116596 states to 116596 states and 146592 transitions. [2021-11-07 01:24:51,636 INFO L78 Accepts]: Start accepts. Automaton has 116596 states and 146592 transitions. Word has length 37 [2021-11-07 01:24:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:51,637 INFO L470 AbstractCegarLoop]: Abstraction has 116596 states and 146592 transitions. [2021-11-07 01:24:51,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 116596 states and 146592 transitions. [2021-11-07 01:24:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 01:24:51,639 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:51,639 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:51,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:51,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:24:51,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 205 more)] === [2021-11-07 01:24:51,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:51,855 INFO L85 PathProgramCache]: Analyzing trace with hash 801056305, now seen corresponding path program 1 times [2021-11-07 01:24:51,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:24:51,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593996871] [2021-11-07 01:24:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:51,871 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:24:51,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:24:51,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:24:51,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7433ca-1a05-415a-aade-59c93e99e374/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:25:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:03,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 5428 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:25:03,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:04,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:04,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:25:04,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593996871] [2021-11-07 01:25:04,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593996871] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:04,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:04,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:25:04,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129190108] [2021-11-07 01:25:04,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:04,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:25:04,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:04,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:04,260 INFO L87 Difference]: Start difference. First operand 116596 states and 146592 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:12,065 INFO L93 Difference]: Finished difference Result 309649 states and 388912 transitions. [2021-11-07 01:25:12,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:12,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-07 01:25:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:12,664 INFO L225 Difference]: With dead ends: 309649 [2021-11-07 01:25:12,664 INFO L226 Difference]: Without dead ends: 193105 [2021-11-07 01:25:12,849 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:13,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193105 states.