./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:18:47,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:18:47,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:18:47,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:18:47,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:18:47,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:18:47,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:18:47,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:18:47,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:18:47,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:18:47,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:18:47,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:18:47,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:18:47,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:18:47,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:18:47,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:18:47,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:18:47,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:18:47,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:18:47,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:18:47,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:18:47,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:18:47,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:18:47,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:18:47,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:18:47,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:18:47,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:18:47,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:18:47,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:18:47,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:18:47,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:18:47,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:18:47,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:18:48,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:18:48,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:18:48,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:18:48,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:18:48,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:18:48,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:18:48,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:18:48,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:18:48,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:18:48,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:18:48,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:18:48,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:18:48,050 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:18:48,050 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:18:48,050 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:18:48,051 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:18:48,051 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:18:48,051 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:18:48,051 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:18:48,052 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:18:48,052 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:18:48,052 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:18:48,053 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:18:48,053 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:18:48,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:18:48,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:18:48,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:18:48,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:18:48,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:18:48,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:18:48,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:18:48,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:18:48,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:18:48,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:18:48,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:18:48,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:18:48,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:48,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:18:48,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:18:48,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:18:48,058 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:18:48,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:18:48,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:18:48,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:18:48,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:18:48,060 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2021-11-07 02:18:48,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:18:48,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:18:48,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:18:48,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:18:48,423 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:18:48,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 02:18:48,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/0fc7e4154/151466a47bea48f2b6753b5e92549513/FLAG50090d3f0 [2021-11-07 02:18:49,700 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:18:49,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 02:18:49,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/0fc7e4154/151466a47bea48f2b6753b5e92549513/FLAG50090d3f0 [2021-11-07 02:18:49,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/0fc7e4154/151466a47bea48f2b6753b5e92549513 [2021-11-07 02:18:49,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:18:49,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:18:49,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:49,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:18:49,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:18:49,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:49" (1/1) ... [2021-11-07 02:18:49,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3be2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:49, skipping insertion in model container [2021-11-07 02:18:49,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:49" (1/1) ... [2021-11-07 02:18:49,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:18:50,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:18:51,786 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 02:18:52,163 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 02:18:53,967 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-07 02:18:53,971 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-07 02:18:53,972 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-07 02:18:53,973 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-07 02:18:54,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:54,087 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 02:18:54,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fa5ec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:54, skipping insertion in model container [2021-11-07 02:18:54,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:54,089 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:18:54,093 INFO L168 Benchmark]: Toolchain (without parser) took 4122.14 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 61.4 MB in the beginning and 57.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:54,094 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 62.9 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:18:54,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4118.84 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 61.4 MB in the beginning and 57.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:54,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 62.9 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4118.84 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 61.4 MB in the beginning and 57.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5122]: 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:18:57,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:18:57,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:18:57,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:18:57,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:18:57,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:18:57,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:18:57,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:18:57,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:18:57,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:18:57,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:18:57,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:18:57,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:18:57,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:18:57,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:18:57,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:18:57,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:18:57,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:18:57,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:18:57,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:18:57,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:18:57,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:18:57,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:18:57,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:18:57,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:18:57,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:18:57,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:18:57,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:18:57,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:18:57,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:18:57,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:18:57,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:18:57,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:18:57,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:18:57,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:18:57,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:18:57,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:18:57,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:18:57,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:18:57,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:18:57,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:18:57,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:18:57,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:18:57,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:18:57,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:18:57,370 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:18:57,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:18:57,371 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:18:57,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:18:57,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:18:57,372 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:18:57,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:18:57,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:18:57,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:18:57,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:18:57,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:18:57,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:18:57,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:18:57,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:18:57,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:18:57,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:18:57,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:18:57,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:18:57,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:18:57,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:18:57,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:57,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:18:57,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:18:57,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:18:57,380 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:18:57,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:18:57,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:18:57,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:18:57,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:18:57,381 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2021-11-07 02:18:57,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:18:57,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:18:57,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:18:57,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:18:57,975 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:18:57,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 02:18:58,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/0818d1978/334b6d4795e540e39369dc718cc534a5/FLAG0828d051b [2021-11-07 02:18:59,352 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:18:59,355 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 02:18:59,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/0818d1978/334b6d4795e540e39369dc718cc534a5/FLAG0828d051b [2021-11-07 02:18:59,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/data/0818d1978/334b6d4795e540e39369dc718cc534a5 [2021-11-07 02:18:59,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:18:59,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:18:59,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:59,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:18:59,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:18:59,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:59" (1/1) ... [2021-11-07 02:18:59,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c277e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:59, skipping insertion in model container [2021-11-07 02:18:59,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:59" (1/1) ... [2021-11-07 02:18:59,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:18:59,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:03,839 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-07 02:19:03,846 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-07 02:19:03,848 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-07 02:19:03,849 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-07 02:19:03,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:04,014 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:19:04,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:04,581 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-07 02:19:04,581 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-07 02:19:04,582 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-07 02:19:04,583 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-07 02:19:04,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:04,715 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:05,343 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-07 02:19:05,343 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-07 02:19:05,344 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-07 02:19:05,346 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_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-07 02:19:05,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:05,821 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:05,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05 WrapperNode [2021-11-07 02:19:05,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:05,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:05,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:05,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:05,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:06,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:07,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:07,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:19:07,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:19:07,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:19:07,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:07,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:07,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:07,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:08,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:08,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:08,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:08,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:19:08,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:19:08,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:19:08,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:19:08,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:08,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:08,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:08,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:19:08,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:19:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2021-11-07 02:19:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2021-11-07 02:19:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2021-11-07 02:19:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:19:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 02:19:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:19:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:19:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:19:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2021-11-07 02:19:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:19:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:19:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:19:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:19:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:19:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2021-11-07 02:19:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2021-11-07 02:19:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2021-11-07 02:19:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2021-11-07 02:19:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:19:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:19:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:19:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:19:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:19:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:19:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:19:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 02:19:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:19:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2021-11-07 02:19:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:19:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2021-11-07 02:19:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:19:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:19:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:19:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:19:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:19:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2021-11-07 02:19:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 02:19:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 02:19:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:19:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:19:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:19:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:19:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 02:19:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 02:19:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2021-11-07 02:19:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2021-11-07 02:19:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2021-11-07 02:19:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2021-11-07 02:19:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2021-11-07 02:19:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2021-11-07 02:21:30,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-07 02:21:30,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0bv32; [2021-11-07 02:21:30,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0bv32; [2021-11-07 02:21:30,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0bv32; [2021-11-07 02:21:30,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-07 02:21:30,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#4: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#3: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#2: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#9: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#8: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#7: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#6: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#5: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break#2: ldv_switch_5_#res := 0bv32; [2021-11-07 02:21:30,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0bv32; [2021-11-07 02:21:30,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break: ldv_switch_5_#res := 0bv32; [2021-11-07 02:21:30,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,781 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,782 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#10: ldv_switch_6_#res := 0bv32; [2021-11-07 02:21:30,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 02:21:30,784 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0bv32; [2021-11-07 02:21:30,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#11: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,785 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#12: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:30,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0bv32; [2021-11-07 02:21:30,786 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0bv32; [2021-11-07 02:21:30,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 02:21:31,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:21:31,532 INFO L299 CfgBuilder]: Removed 6256 assume(true) statements. [2021-11-07 02:21:31,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:31 BoogieIcfgContainer [2021-11-07 02:21:31,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:21:31,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:21:31,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:21:31,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:21:31,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:18:59" (1/3) ... [2021-11-07 02:21:31,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1666012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:31, skipping insertion in model container [2021-11-07 02:21:31,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (2/3) ... [2021-11-07 02:21:31,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1666012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:31, skipping insertion in model container [2021-11-07 02:21:31,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:31" (3/3) ... [2021-11-07 02:21:31,563 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 02:21:31,570 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:21:31,571 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 143 error locations. [2021-11-07 02:21:31,688 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:21:31,695 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 02:21:31,695 INFO L340 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2021-11-07 02:21:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 6753 states, 6558 states have (on average 1.3610856968587983) internal successors, (8926), 6700 states have internal predecessors, (8926), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-07 02:21:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-07 02:21:31,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:31,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:31,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [si476x_radio_g_volatile_ctrlErr0ASSERT_VIOLATIONERROR_FUNCTION, si476x_radio_g_volatile_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 02:21:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:31,927 INFO L85 PathProgramCache]: Analyzing trace with hash 160923896, now seen corresponding path program 1 times [2021-11-07 02:21:31,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:31,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304515691] [2021-11-07 02:21:31,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:31,961 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:31,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:31,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:31,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:21:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:36,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 3178 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:36,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:37,586 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 02:21:37,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:38,349 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 02:21:38,350 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:38,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304515691] [2021-11-07 02:21:38,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304515691] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:38,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:38,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:21:38,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76424387] [2021-11-07 02:21:38,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:38,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:38,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:38,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:38,414 INFO L87 Difference]: Start difference. First operand has 6753 states, 6558 states have (on average 1.3610856968587983) internal successors, (8926), 6700 states have internal predecessors, (8926), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 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 02:21:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:44,627 INFO L93 Difference]: Finished difference Result 24540 states and 33033 transitions. [2021-11-07 02:21:44,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:21:44,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 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 228 [2021-11-07 02:21:44,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:44,813 INFO L225 Difference]: With dead ends: 24540 [2021-11-07 02:21:44,813 INFO L226 Difference]: Without dead ends: 17261 [2021-11-07 02:21:44,961 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 452 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 02:21:45,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17261 states. [2021-11-07 02:21:46,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17261 to 16749. [2021-11-07 02:21:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16749 states, 16450 states have (on average 1.2993920972644377) internal successors, (21375), 16592 states have internal predecessors, (21375), 141 states have call successors, (141), 15 states have call predecessors, (141), 15 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2021-11-07 02:21:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16749 states to 16749 states and 21657 transitions. [2021-11-07 02:21:46,233 INFO L78 Accepts]: Start accepts. Automaton has 16749 states and 21657 transitions. Word has length 228 [2021-11-07 02:21:46,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:46,236 INFO L470 AbstractCegarLoop]: Abstraction has 16749 states and 21657 transitions. [2021-11-07 02:21:46,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 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 02:21:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 16749 states and 21657 transitions. [2021-11-07 02:21:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-07 02:21:46,245 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:46,245 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:46,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:46,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:46,473 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting si476x_radio_g_volatile_ctrlErr0ASSERT_VIOLATIONERROR_FUNCTION === [si476x_radio_g_volatile_ctrlErr0ASSERT_VIOLATIONERROR_FUNCTION, si476x_radio_g_volatile_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 02:21:46,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:46,474 INFO L85 PathProgramCache]: Analyzing trace with hash -426967795, now seen corresponding path program 1 times [2021-11-07 02:21:46,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:46,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886282498] [2021-11-07 02:21:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:46,484 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:46,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:46,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:46,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:21:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:50,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 3205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:50,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:51,900 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 02:21:51,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:52,691 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 02:21:52,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:52,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886282498] [2021-11-07 02:21:52,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886282498] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:52,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:52,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:21:52,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886794005] [2021-11-07 02:21:52,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:52,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:52,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:52,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:52,697 INFO L87 Difference]: Start difference. First operand 16749 states and 21657 transitions. Second operand has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:58,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:58,889 INFO L93 Difference]: Finished difference Result 43842 states and 56546 transitions. [2021-11-07 02:21:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:21:58,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2021-11-07 02:21:58,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:59,119 INFO L225 Difference]: With dead ends: 43842 [2021-11-07 02:21:59,120 INFO L226 Difference]: Without dead ends: 27657 [2021-11-07 02:21:59,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 468 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 02:21:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27657 states. [2021-11-07 02:22:01,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27657 to 27045. [2021-11-07 02:22:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27045 states, 26646 states have (on average 1.3018464309840125) internal successors, (34689), 26788 states have internal predecessors, (34689), 231 states have call successors, (231), 25 states have call predecessors, (231), 25 states have return successors, (231), 231 states have call predecessors, (231), 231 states have call successors, (231) [2021-11-07 02:22:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27045 states to 27045 states and 35151 transitions. [2021-11-07 02:22:01,340 INFO L78 Accepts]: Start accepts. Automaton has 27045 states and 35151 transitions. Word has length 236 [2021-11-07 02:22:01,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:01,342 INFO L470 AbstractCegarLoop]: Abstraction has 27045 states and 35151 transitions. [2021-11-07 02:22:01,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 27045 states and 35151 transitions. [2021-11-07 02:22:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-07 02:22:01,353 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:01,354 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:01,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:01,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:01,568 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~$Pointer$~TO~C_INTErr3ASSERT_VIOLATIONERROR_FUNCTION === [si476x_radio_g_volatile_ctrlErr0ASSERT_VIOLATIONERROR_FUNCTION, si476x_radio_g_volatile_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 02:22:01,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:01,569 INFO L85 PathProgramCache]: Analyzing trace with hash -2028444871, now seen corresponding path program 1 times [2021-11-07 02:22:01,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:01,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595544349] [2021-11-07 02:22:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:01,590 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:01,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:01,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:01,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:22:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:06,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 3223 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:22:06,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:07,137 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 02:22:07,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:07,918 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 02:22:07,919 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:07,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595544349] [2021-11-07 02:22:07,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1595544349] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:07,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:07,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:22:07,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492501291] [2021-11-07 02:22:07,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:22:07,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:07,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:22:07,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:22:07,922 INFO L87 Difference]: Start difference. First operand 27045 states and 35151 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:15,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:15,912 INFO L93 Difference]: Finished difference Result 102315 states and 133228 transitions. [2021-11-07 02:22:15,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:22:15,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243 [2021-11-07 02:22:15,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:16,287 INFO L225 Difference]: With dead ends: 102315 [2021-11-07 02:22:16,288 INFO L226 Difference]: Without dead ends: 75834 [2021-11-07 02:22:16,480 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 482 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 02:22:16,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75834 states. [2021-11-07 02:22:20,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75834 to 75114. [2021-11-07 02:22:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75114 states, 74439 states have (on average 1.305404425099746) internal successors, (97173), 74581 states have internal predecessors, (97173), 465 states have call successors, (465), 67 states have call predecessors, (465), 67 states have return successors, (465), 465 states have call predecessors, (465), 465 states have call successors, (465) [2021-11-07 02:22:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75114 states to 75114 states and 98103 transitions. [2021-11-07 02:22:21,479 INFO L78 Accepts]: Start accepts. Automaton has 75114 states and 98103 transitions. Word has length 243 [2021-11-07 02:22:21,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:21,481 INFO L470 AbstractCegarLoop]: Abstraction has 75114 states and 98103 transitions. [2021-11-07 02:22:21,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 75114 states and 98103 transitions. [2021-11-07 02:22:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-07 02:22:21,496 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:21,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:21,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:21,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:21,720 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [si476x_radio_g_volatile_ctrlErr0ASSERT_VIOLATIONERROR_FUNCTION, si476x_radio_g_volatile_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 02:22:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:21,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1696270132, now seen corresponding path program 1 times [2021-11-07 02:22:21,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:21,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199254915] [2021-11-07 02:22:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:21,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:21,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:21,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:22:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:26,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 3266 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:22:26,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:27,779 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 02:22:27,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:28,552 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 02:22:28,552 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:28,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199254915] [2021-11-07 02:22:28,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199254915] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:28,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:28,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:22:28,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966862732] [2021-11-07 02:22:28,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:22:28,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:28,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:22:28,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:22:28,556 INFO L87 Difference]: Start difference. First operand 75114 states and 98103 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 02:22:37,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:37,032 INFO L93 Difference]: Finished difference Result 205683 states and 268804 transitions. [2021-11-07 02:22:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:22:37,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 248 [2021-11-07 02:22:37,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:37,693 INFO L225 Difference]: With dead ends: 205683 [2021-11-07 02:22:37,694 INFO L226 Difference]: Without dead ends: 131133 [2021-11-07 02:22:38,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 493 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 02:22:38,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131133 states. [2021-11-07 02:22:44,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131133 to 130755. [2021-11-07 02:22:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130755 states, 129683 states have (on average 1.3055681932095957) internal successors, (169310), 129825 states have internal predecessors, (169310), 808 states have call successors, (808), 121 states have call predecessors, (808), 121 states have return successors, (808), 808 states have call predecessors, (808), 808 states have call successors, (808) [2021-11-07 02:22:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130755 states to 130755 states and 170926 transitions. [2021-11-07 02:22:45,121 INFO L78 Accepts]: Start accepts. Automaton has 130755 states and 170926 transitions. Word has length 248 [2021-11-07 02:22:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:45,122 INFO L470 AbstractCegarLoop]: Abstraction has 130755 states and 170926 transitions. [2021-11-07 02:22:45,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 02:22:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 130755 states and 170926 transitions. [2021-11-07 02:22:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-07 02:22:45,142 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:45,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:45,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:45,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:45,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [si476x_radio_g_volatile_ctrlErr0ASSERT_VIOLATIONERROR_FUNCTION, si476x_radio_g_volatile_ctrlErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 02:22:45,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:45,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1510375615, now seen corresponding path program 1 times [2021-11-07 02:22:45,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:45,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672998506] [2021-11-07 02:22:45,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:45,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:45,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:45,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:45,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df9abb5-0b0c-4adc-850d-b0c1de2ff1b3/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:22:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:49,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 3261 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:22:49,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:51,157 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 02:22:51,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:51,909 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 02:22:51,909 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:51,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672998506] [2021-11-07 02:22:51,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672998506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:51,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:51,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:22:51,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108399169] [2021-11-07 02:22:51,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:22:51,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:51,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:22:51,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:22:51,911 INFO L87 Difference]: Start difference. First operand 130755 states and 170926 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 02:23:04,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:23:04,160 INFO L93 Difference]: Finished difference Result 364816 states and 476613 transitions. [2021-11-07 02:23:04,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:23:04,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 248 [2021-11-07 02:23:04,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:23:05,582 INFO L225 Difference]: With dead ends: 364816 [2021-11-07 02:23:05,582 INFO L226 Difference]: Without dead ends: 234625 [2021-11-07 02:23:06,164 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 493 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 02:23:06,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234625 states.