./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH --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 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:59:07,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:59:07,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:59:07,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:59:07,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:59:07,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:59:07,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:59:07,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:59:07,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:59:07,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:59:07,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:59:07,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:59:07,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:59:07,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:59:07,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:59:07,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:59:07,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:59:07,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:59:07,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:59:07,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:59:07,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:59:07,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:59:07,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:59:07,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:59:07,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:59:07,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:59:07,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:59:07,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:59:07,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:59:07,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:59:07,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:59:07,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:59:07,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:59:07,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:59:07,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:59:07,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:59:07,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:59:07,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:59:07,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:59:07,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:59:07,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:59:07,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:59:08,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:59:08,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:59:08,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:59:08,007 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:59:08,008 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:59:08,008 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:59:08,008 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:59:08,008 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:59:08,015 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:59:08,015 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:59:08,016 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:59:08,017 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:59:08,017 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:59:08,017 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:59:08,017 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:59:08,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:59:08,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:59:08,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:59:08,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:59:08,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:59:08,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:59:08,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:59:08,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:59:08,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:59:08,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:59:08,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:59:08,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:59:08,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:59:08,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:59:08,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:59:08,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:59:08,024 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:59:08,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:59:08,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:59:08,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:59:08,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:59:08,025 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2021-11-03 03:59:08,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:59:08,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:59:08,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:59:08,328 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:59:08,329 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:59:08,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-11-03 03:59:08,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/7b8e7cc54/d96f17a118934fb582d91935be0f54b5/FLAGef111cbfe [2021-11-03 03:59:09,487 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:59:09,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-11-03 03:59:09,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/7b8e7cc54/d96f17a118934fb582d91935be0f54b5/FLAGef111cbfe [2021-11-03 03:59:09,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/7b8e7cc54/d96f17a118934fb582d91935be0f54b5 [2021-11-03 03:59:09,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:59:09,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:59:09,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:59:09,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:59:09,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:59:09,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:09" (1/1) ... [2021-11-03 03:59:09,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee40d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:09, skipping insertion in model container [2021-11-03 03:59:09,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:09" (1/1) ... [2021-11-03 03:59:09,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:59:09,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:59:11,514 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:12,542 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:12,957 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:12,974 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:12,975 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:12,983 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:12,984 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,005 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,006 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,062 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,063 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,065 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,066 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,068 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,069 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,069 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,129 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:13,134 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:59:14,750 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-11-03 03:59:14,757 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-11-03 03:59:14,758 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-11-03 03:59:14,758 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-11-03 03:59:14,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:59:14,989 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) [2021-11-03 03:59:14,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66ce4109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:14, skipping insertion in model container [2021-11-03 03:59:14,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:59:14,991 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:59:14,993 INFO L168 Benchmark]: Toolchain (without parser) took 5227.94 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 70.4 MB in the beginning and 135.0 MB in the end (delta: -64.7 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:59:14,994 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:59:14,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5225.28 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 70.4 MB in the beginning and 135.0 MB in the end (delta: -64.7 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:59:14,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 62.6 MB in the beginning and 62.6 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5225.28 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 70.4 MB in the beginning and 135.0 MB in the end (delta: -64.7 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5959]: 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH --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 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:59:17,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:59:17,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:59:17,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:59:17,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:59:17,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:59:17,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:59:17,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:59:17,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:59:17,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:59:17,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:59:17,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:59:17,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:59:17,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:59:17,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:59:17,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:59:17,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:59:17,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:59:17,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:59:17,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:59:17,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:59:17,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:59:17,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:59:17,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:59:17,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:59:17,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:59:17,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:59:17,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:59:17,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:59:17,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:59:17,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:59:17,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:59:17,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:59:17,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:59:17,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:59:17,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:59:17,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:59:17,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:59:17,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:59:17,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:59:17,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:59:17,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:59:17,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:59:17,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:59:17,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:59:17,796 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:59:17,797 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:59:17,797 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:59:17,797 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:59:17,797 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:59:17,798 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:59:17,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:59:17,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:59:17,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:59:17,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:59:17,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:59:17,800 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:59:17,800 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:59:17,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:59:17,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:59:17,801 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:59:17,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:59:17,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:59:17,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:59:17,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:59:17,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:59:17,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:59:17,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:59:17,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:59:17,803 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:59:17,803 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:59:17,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:59:17,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:59:17,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:59:17,804 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2021-11-03 03:59:18,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:59:18,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:59:18,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:59:18,305 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:59:18,306 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:59:18,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-11-03 03:59:18,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/3fad7ea12/7e1253c46cf147419c8affba77b2fa5a/FLAGc0b9ad68a [2021-11-03 03:59:19,684 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:59:19,685 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-11-03 03:59:19,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/3fad7ea12/7e1253c46cf147419c8affba77b2fa5a/FLAGc0b9ad68a [2021-11-03 03:59:19,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/data/3fad7ea12/7e1253c46cf147419c8affba77b2fa5a [2021-11-03 03:59:19,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:59:19,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:59:19,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:59:19,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:59:19,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:59:19,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:19" (1/1) ... [2021-11-03 03:59:19,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8c977c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:19, skipping insertion in model container [2021-11-03 03:59:19,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:19" (1/1) ... [2021-11-03 03:59:19,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:59:20,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:59:26,018 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-11-03 03:59:26,023 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-11-03 03:59:26,024 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-11-03 03:59:26,025 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-11-03 03:59:26,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:59:26,236 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:59:26,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:59:27,140 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-11-03 03:59:27,141 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-11-03 03:59:27,142 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-11-03 03:59:27,150 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-11-03 03:59:27,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:59:27,257 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:59:28,008 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2021-11-03 03:59:28,009 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2021-11-03 03:59:28,009 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2021-11-03 03:59:28,010 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_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2021-11-03 03:59:28,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:59:28,450 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:59:28,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28 WrapperNode [2021-11-03 03:59:28,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:59:28,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:59:28,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:59:28,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:59:28,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:28,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:31,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:59:31,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:59:31,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:59:31,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:59:31,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:31,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:32,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:32,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:34,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:34,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:34,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:35,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:59:35,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:59:35,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:59:35,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:59:35,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (1/1) ... [2021-11-03 03:59:35,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:59:35,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:59:35,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:59:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:59:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-11-03 03:59:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-11-03 03:59:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-03 03:59:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-11-03 03:59:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-11-03 03:59:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-03 03:59:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:59:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-03 03:59:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:59:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:59:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:59:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:59:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:59:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 03:59:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 03:59:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 03:59:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 03:59:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 03:59:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:59:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:59:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:59:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:59:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:59:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 03:59:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 03:59:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 03:59:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:59:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:59:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:59:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:59:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 03:59:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:59:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:59:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 03:59:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 03:59:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 03:59:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:10:24,544 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-03 04:10:24,544 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-03 04:10:24,545 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-03 04:10:24,545 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-03 04:10:24,550 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 04:10:24,552 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-03 04:10:24,652 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:10:24,653 INFO L299 CfgBuilder]: Removed 14751 assume(true) statements. [2021-11-03 04:10:24,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:10:24 BoogieIcfgContainer [2021-11-03 04:10:24,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:10:24,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:10:24,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:10:24,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:10:24,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:59:19" (1/3) ... [2021-11-03 04:10:24,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a743cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:10:24, skipping insertion in model container [2021-11-03 04:10:24,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:28" (2/3) ... [2021-11-03 04:10:24,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a743cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:10:24, skipping insertion in model container [2021-11-03 04:10:24,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:10:24" (3/3) ... [2021-11-03 04:10:24,681 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2021-11-03 04:10:24,688 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:10:24,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 203 error locations. [2021-11-03 04:10:24,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:10:24,836 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 [2021-11-03 04:10:24,836 INFO L340 AbstractCegarLoop]: Starting to check reachability of 203 error locations. [2021-11-03 04:10:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 14510 states, 14239 states have (on average 1.357609382681368) internal successors, (19331), 14441 states have internal predecessors, (19331), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-11-03 04:10:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 04:10:25,295 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:10:25,296 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:10:25,297 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 200 more)] === [2021-11-03 04:10:25,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:10:25,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1083935826, now seen corresponding path program 1 times [2021-11-03 04:10:25,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:10:25,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987246716] [2021-11-03 04:10:25,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:10:25,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:10:25,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:10:25,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:10:25,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:10:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:10:37,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 5422 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:10:37,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:10:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:10:37,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:10:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:10:37,654 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:10:37,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987246716] [2021-11-03 04:10:37,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987246716] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:10:37,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:10:37,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:10:37,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664995289] [2021-11-03 04:10:37,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:10:37,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:10:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:10:37,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:10:37,720 INFO L87 Difference]: Start difference. First operand has 14510 states, 14239 states have (on average 1.357609382681368) internal successors, (19331), 14441 states have internal predecessors, (19331), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:10:45,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:10:45,307 INFO L93 Difference]: Finished difference Result 57155 states and 77015 transitions. [2021-11-03 04:10:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:10:45,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-03 04:10:45,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:10:45,662 INFO L225 Difference]: With dead ends: 57155 [2021-11-03 04:10:45,663 INFO L226 Difference]: Without dead ends: 41790 [2021-11-03 04:10:45,720 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:10:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41790 states. [2021-11-03 04:10:47,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41790 to 41062. [2021-11-03 04:10:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41062 states, 40655 states have (on average 1.2641003566596976) internal successors, (51392), 40857 states have internal predecessors, (51392), 198 states have call successors, (198), 6 states have call predecessors, (198), 6 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2021-11-03 04:10:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41062 states to 41062 states and 51788 transitions. [2021-11-03 04:10:48,002 INFO L78 Accepts]: Start accepts. Automaton has 41062 states and 51788 transitions. Word has length 37 [2021-11-03 04:10:48,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:10:48,006 INFO L470 AbstractCegarLoop]: Abstraction has 41062 states and 51788 transitions. [2021-11-03 04:10:48,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:10:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 41062 states and 51788 transitions. [2021-11-03 04:10:48,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 04:10:48,019 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:10:48,020 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:10:48,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:10:48,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:10:48,245 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr201ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 200 more)] === [2021-11-03 04:10:48,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:10:48,246 INFO L85 PathProgramCache]: Analyzing trace with hash 689155734, now seen corresponding path program 1 times [2021-11-03 04:10:48,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:10:48,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113609346] [2021-11-03 04:10:48,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:10:48,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:10:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:10:48,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:10:48,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:10:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:00,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 5420 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:11:00,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:00,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:01,067 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:01,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113609346] [2021-11-03 04:11:01,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113609346] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:01,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:01,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:11:01,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700145195] [2021-11-03 04:11:01,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:11:01,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:01,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:11:01,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:01,071 INFO L87 Difference]: Start difference. First operand 41062 states and 51788 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-03 04:11:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:10,306 INFO L93 Difference]: Finished difference Result 109892 states and 138216 transitions. [2021-11-03 04:11:10,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:11:10,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-03 04:11:10,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:10,661 INFO L225 Difference]: With dead ends: 109892 [2021-11-03 04:11:10,661 INFO L226 Difference]: Without dead ends: 68882 [2021-11-03 04:11:10,764 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68882 states. [2021-11-03 04:11:14,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68882 to 68020. [2021-11-03 04:11:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68020 states, 67477 states have (on average 1.2643122841857226) internal successors, (85312), 67679 states have internal predecessors, (85312), 330 states have call successors, (330), 10 states have call predecessors, (330), 10 states have return successors, (330), 330 states have call predecessors, (330), 330 states have call successors, (330) [2021-11-03 04:11:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68020 states to 68020 states and 85972 transitions. [2021-11-03 04:11:14,522 INFO L78 Accepts]: Start accepts. Automaton has 68020 states and 85972 transitions. Word has length 37 [2021-11-03 04:11:14,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:14,523 INFO L470 AbstractCegarLoop]: Abstraction has 68020 states and 85972 transitions. [2021-11-03 04:11:14,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-03 04:11:14,523 INFO L276 IsEmpty]: Start isEmpty. Operand 68020 states and 85972 transitions. [2021-11-03 04:11:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:11:14,527 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:14,528 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] [2021-11-03 04:11:14,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:14,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:11:14,729 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 200 more)] === [2021-11-03 04:11:14,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:14,729 INFO L85 PathProgramCache]: Analyzing trace with hash -996259079, now seen corresponding path program 1 times [2021-11-03 04:11:14,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:14,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968994627] [2021-11-03 04:11:14,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:14,758 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:14,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:14,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:11:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:25,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 5438 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:11:25,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:25,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:25,982 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:25,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968994627] [2021-11-03 04:11:25,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968994627] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:25,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:25,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:11:25,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249895477] [2021-11-03 04:11:25,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:11:25,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:25,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:11:25,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:25,985 INFO L87 Difference]: Start difference. First operand 68020 states and 85972 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-11-03 04:11:32,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:32,774 INFO L93 Difference]: Finished difference Result 168905 states and 213980 transitions. [2021-11-03 04:11:32,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:11:32,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 39 [2021-11-03 04:11:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:33,430 INFO L225 Difference]: With dead ends: 168905 [2021-11-03 04:11:33,430 INFO L226 Difference]: Without dead ends: 100937 [2021-11-03 04:11:33,534 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:33,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100937 states. [2021-11-03 04:11:38,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100937 to 100545. [2021-11-03 04:11:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100545 states, 99791 states have (on average 1.2694932408734254) internal successors, (126684), 99993 states have internal predecessors, (126684), 525 states have call successors, (525), 26 states have call predecessors, (525), 26 states have return successors, (525), 525 states have call predecessors, (525), 525 states have call successors, (525) [2021-11-03 04:11:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100545 states to 100545 states and 127734 transitions. [2021-11-03 04:11:38,460 INFO L78 Accepts]: Start accepts. Automaton has 100545 states and 127734 transitions. Word has length 39 [2021-11-03 04:11:38,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:38,461 INFO L470 AbstractCegarLoop]: Abstraction has 100545 states and 127734 transitions. [2021-11-03 04:11:38,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-11-03 04:11:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 100545 states and 127734 transitions. [2021-11-03 04:11:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:11:38,463 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:38,463 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] [2021-11-03 04:11:38,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:38,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:11:38,685 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 200 more)] === [2021-11-03 04:11:38,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:38,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1512098561, now seen corresponding path program 1 times [2021-11-03 04:11:38,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:38,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427087511] [2021-11-03 04:11:38,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:38,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:38,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:38,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:11:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:48,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 5441 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:11:48,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:49,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:49,471 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:49,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427087511] [2021-11-03 04:11:49,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427087511] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:49,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:49,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 04:11:49,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667386621] [2021-11-03 04:11:49,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:11:49,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:49,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:11:49,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:11:49,474 INFO L87 Difference]: Start difference. First operand 100545 states and 127734 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-03 04:11:56,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:56,743 INFO L93 Difference]: Finished difference Result 238315 states and 302176 transitions. [2021-11-03 04:11:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:11:56,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2021-11-03 04:11:56,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:57,183 INFO L225 Difference]: With dead ends: 238315 [2021-11-03 04:11:57,183 INFO L226 Difference]: Without dead ends: 137822 [2021-11-03 04:11:57,361 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:11:57,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137822 states. [2021-11-03 04:12:02,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137822 to 136650. [2021-11-03 04:12:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136650 states, 135755 states have (on average 1.2662664358587161) internal successors, (171902), 135957 states have internal predecessors, (171902), 656 states have call successors, (656), 36 states have call predecessors, (656), 36 states have return successors, (656), 656 states have call predecessors, (656), 656 states have call successors, (656) [2021-11-03 04:12:03,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136650 states to 136650 states and 173214 transitions. [2021-11-03 04:12:03,126 INFO L78 Accepts]: Start accepts. Automaton has 136650 states and 173214 transitions. Word has length 45 [2021-11-03 04:12:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:12:03,129 INFO L470 AbstractCegarLoop]: Abstraction has 136650 states and 173214 transitions. [2021-11-03 04:12:03,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-03 04:12:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 136650 states and 173214 transitions. [2021-11-03 04:12:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-03 04:12:03,132 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:12:03,134 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:12:03,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:12:03,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:12:03,349 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 200 more)] === [2021-11-03 04:12:03,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:12:03,349 INFO L85 PathProgramCache]: Analyzing trace with hash -575324991, now seen corresponding path program 1 times [2021-11-03 04:12:03,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:12:03,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082174256] [2021-11-03 04:12:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:12:03,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:12:03,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:12:03,370 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:12:03,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfaf60b-17c0-40b4-a5bf-440cd335abd2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process