./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:46:46,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:46:46,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:46:46,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:46:46,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:46:46,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:46:46,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:46:46,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:46:46,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:46:46,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:46:46,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:46:46,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:46:46,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:46:46,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:46:46,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:46:46,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:46:46,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:46:46,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:46:46,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:46:46,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:46:46,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:46:46,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:46:46,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:46:46,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:46:46,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:46:46,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:46:46,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:46:46,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:46:46,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:46:46,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:46:46,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:46:46,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:46:46,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:46:46,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:46:46,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:46:46,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:46:46,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:46:46,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:46:46,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:46:46,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:46:46,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:46:46,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:46:46,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:46:46,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:46:46,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:46:46,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:46:46,245 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:46:46,246 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:46:46,246 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:46:46,246 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:46:46,246 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:46:46,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:46:46,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:46:46,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:46:46,248 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:46:46,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:46:46,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:46:46,248 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:46:46,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:46:46,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:46:46,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:46:46,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:46:46,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:46:46,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:46:46,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:46:46,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:46:46,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:46:46,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:46:46,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:46:46,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:46:46,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:46:46,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:46:46,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:46:46,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:46:46,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:46:46,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:46:46,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:46:46,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:46:46,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:46:46,255 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_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2021-11-19 14:46:46,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:46:46,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:46:46,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:46:46,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:46:46,546 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:46:46,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 14:46:46,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/696f23ca4/adb21a5613f14286abcf244e637d836e/FLAG7e8fb1697 [2021-11-19 14:46:47,610 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:46:47,611 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 14:46:47,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/696f23ca4/adb21a5613f14286abcf244e637d836e/FLAG7e8fb1697 [2021-11-19 14:46:47,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/696f23ca4/adb21a5613f14286abcf244e637d836e [2021-11-19 14:46:47,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:46:47,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:46:47,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:47,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:46:47,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:46:47,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:47" (1/1) ... [2021-11-19 14:46:47,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f14e78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:47, skipping insertion in model container [2021-11-19 14:46:47,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:47" (1/1) ... [2021-11-19 14:46:47,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:46:48,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:46:50,686 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:50,694 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:50,701 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:51,335 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:51,336 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:51,567 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:46:52,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-19 14:46:52,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-19 14:46:52,970 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:46:53,084 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:46:53,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bce53db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:53, skipping insertion in model container [2021-11-19 14:46:53,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:53,085 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:46:53,088 INFO L158 Benchmark]: Toolchain (without parser) took 5117.56ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 95.7MB in the beginning and 139.8MB in the end (delta: -44.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2021-11-19 14:46:53,089 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 69.0MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:46:53,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5115.00ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 95.7MB in the beginning and 139.8MB in the end (delta: -44.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2021-11-19 14:46:53,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 69.0MB in the beginning and 69.0MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5115.00ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 95.7MB in the beginning and 139.8MB in the end (delta: -44.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6617]: 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_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:46:55,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:46:55,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:46:55,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:46:55,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:46:55,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:46:55,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:46:55,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:46:55,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:46:55,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:46:55,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:46:55,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:46:55,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:46:55,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:46:55,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:46:55,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:46:55,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:46:55,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:46:55,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:46:55,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:46:55,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:46:55,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:46:55,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:46:55,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:46:55,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:46:55,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:46:55,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:46:55,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:46:55,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:46:55,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:46:55,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:46:55,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:46:55,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:46:55,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:46:55,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:46:55,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:46:55,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:46:55,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:46:55,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:46:55,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:46:55,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:46:55,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:46:55,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:46:55,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:46:55,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:46:55,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:46:55,470 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:46:55,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:46:55,471 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:46:55,471 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:46:55,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:46:55,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:46:55,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:46:55,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:46:55,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:46:55,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:46:55,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:46:55,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:46:55,476 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:46:55,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:46:55,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:46:55,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:46:55,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:46:55,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:46:55,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:46:55,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:46:55,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:46:55,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:46:55,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:46:55,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:46:55,480 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:46:55,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:46:55,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:46:55,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:46:55,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:46:55,481 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_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2021-11-19 14:46:55,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:46:55,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:46:55,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:46:55,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:46:55,878 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:46:55,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 14:46:55,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/9fb76edd2/82ac96ccc4764e48a7eba276fc7d5a81/FLAG37c59f11d [2021-11-19 14:46:57,146 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:46:57,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 14:46:57,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/9fb76edd2/82ac96ccc4764e48a7eba276fc7d5a81/FLAG37c59f11d [2021-11-19 14:46:57,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/data/9fb76edd2/82ac96ccc4764e48a7eba276fc7d5a81 [2021-11-19 14:46:57,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:46:57,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:46:57,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:57,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:46:57,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:46:57,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:57" (1/1) ... [2021-11-19 14:46:57,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b13e744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:57, skipping insertion in model container [2021-11-19 14:46:57,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:57" (1/1) ... [2021-11-19 14:46:57,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:46:57,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:02,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-19 14:47:02,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-19 14:47:02,872 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:02,988 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:47:03,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:03,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-19 14:47:03,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-19 14:47:03,610 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:03,702 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:47:04,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2021-11-19 14:47:04,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2021-11-19 14:47:04,343 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:04,803 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:47:04,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04 WrapperNode [2021-11-19 14:47:04,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:04,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:04,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:47:04,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:47:04,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,411 INFO L137 Inliner]: procedures = 675, calls = 4743, calls flagged for inlining = 357, calls inlined = 344, statements flattened = 10202 [2021-11-19 14:47:05,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:05,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:47:05,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:47:05,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:47:05,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:47:05,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:47:05,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:47:05,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:47:05,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (1/1) ... [2021-11-19 14:47:05,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:05,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:47:05,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:47:05,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:47:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:47:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:47:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:47:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:47:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-11-19 14:47:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-11-19 14:47:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:47:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:47:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-11-19 14:47:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-11-19 14:47:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:47:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:47:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-19 14:47:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-19 14:47:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-11-19 14:47:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-11-19 14:47:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-11-19 14:47:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-11-19 14:47:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-11-19 14:47:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-11-19 14:47:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2021-11-19 14:47:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2021-11-19 14:47:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-11-19 14:47:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-11-19 14:47:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-11-19 14:47:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-11-19 14:47:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:47:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:47:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-19 14:47:05,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-19 14:47:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-19 14:47:05,991 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-19 14:47:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-11-19 14:47:05,991 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-11-19 14:47:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-11-19 14:47:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-11-19 14:47:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:47:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:47:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:47:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:47:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:47:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:47:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:47:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:47:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-11-19 14:47:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-11-19 14:47:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:47:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:47:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:47:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:47:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:47:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:47:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-11-19 14:47:05,995 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-11-19 14:47:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:47:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 14:47:05,995 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 14:47:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-19 14:47:05,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-19 14:47:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-19 14:47:05,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-19 14:47:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-11-19 14:47:05,996 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-11-19 14:47:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:47:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:47:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:47:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-11-19 14:47:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-11-19 14:47:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-11-19 14:47:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-11-19 14:47:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-19 14:47:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-19 14:47:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:47:05,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:47:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-11-19 14:47:05,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-11-19 14:47:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-11-19 14:47:05,998 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-11-19 14:47:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-11-19 14:47:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-11-19 14:47:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-11-19 14:47:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-11-19 14:47:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-11-19 14:47:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-11-19 14:47:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:47:06,000 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:47:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-11-19 14:47:06,000 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-11-19 14:47:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:47:06,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:47:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-11-19 14:47:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-11-19 14:47:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-11-19 14:47:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-11-19 14:47:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:47:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:47:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-11-19 14:47:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-11-19 14:47:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:47:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:47:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:47:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:47:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-11-19 14:47:06,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-11-19 14:47:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:47:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:47:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-19 14:47:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-19 14:47:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:47:06,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:47:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:47:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:47:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-11-19 14:47:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-11-19 14:47:06,004 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-19 14:47:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-19 14:47:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-11-19 14:47:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-11-19 14:47:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:47:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:47:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:47:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:47:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:47:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:47:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-11-19 14:47:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-11-19 14:47:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-19 14:47:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-19 14:47:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:47:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:47:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:47:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:47:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:47:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:47:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:47:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:47:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:47:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:47:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-11-19 14:47:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-11-19 14:47:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-11-19 14:47:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-11-19 14:47:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-19 14:47:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-19 14:47:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:47:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:47:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:47:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:47:06,009 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-11-19 14:47:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-11-19 14:47:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-11-19 14:47:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-11-19 14:47:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:47:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:47:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-11-19 14:47:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-11-19 14:47:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:47:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:47:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-19 14:47:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-19 14:47:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:47:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-19 14:47:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-19 14:47:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-11-19 14:47:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-11-19 14:47:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-19 14:47:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-19 14:47:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-19 14:47:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-19 14:47:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:47:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:47:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-11-19 14:47:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-11-19 14:47:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:47:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-11-19 14:47:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-11-19 14:47:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:47:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:47:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-11-19 14:47:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-11-19 14:47:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:47:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:47:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:47:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:47:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:47:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-11-19 14:47:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-11-19 14:47:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-19 14:47:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-19 14:47:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-11-19 14:47:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-11-19 14:47:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-11-19 14:47:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-11-19 14:47:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-19 14:47:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-19 14:47:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-11-19 14:47:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-11-19 14:47:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-11-19 14:47:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-11-19 14:47:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:47:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:47:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-11-19 14:47:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-11-19 14:47:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 14:47:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 14:47:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-11-19 14:47:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-11-19 14:47:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:47:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:47:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-19 14:47:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-19 14:47:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-11-19 14:47:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-11-19 14:47:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-11-19 14:47:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-11-19 14:47:06,019 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-11-19 14:47:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-11-19 14:47:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:47:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:47:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-11-19 14:47:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-11-19 14:47:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:47:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:47:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-19 14:47:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-19 14:47:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-11-19 14:47:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-11-19 14:47:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-11-19 14:47:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-11-19 14:47:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:47:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:47:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:47:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:47:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:47:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:47:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:47:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-11-19 14:47:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-11-19 14:47:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:47:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-11-19 14:47:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-11-19 14:47:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-19 14:47:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-19 14:47:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-11-19 14:47:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-11-19 14:47:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 14:47:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 14:47:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:47:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:47:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-11-19 14:47:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-11-19 14:47:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:47:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2021-11-19 14:47:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2021-11-19 14:47:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:47:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:47:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-11-19 14:47:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-11-19 14:47:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:47:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:47:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 14:47:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 14:47:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:47:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:47:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:47:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:47:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:47:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:47:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-11-19 14:47:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-11-19 14:47:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:47:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:47:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-11-19 14:47:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-11-19 14:47:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-19 14:47:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-19 14:47:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-19 14:47:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-19 14:47:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-11-19 14:47:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-11-19 14:47:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:47:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:47:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-11-19 14:47:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-11-19 14:47:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-11-19 14:47:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-11-19 14:47:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:47:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:47:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-11-19 14:47:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-11-19 14:47:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 14:47:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 14:47:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-11-19 14:47:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-11-19 14:47:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-11-19 14:47:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-11-19 14:47:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-11-19 14:47:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-11-19 14:47:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 14:47:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 14:47:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:47:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:47:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-11-19 14:47:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-11-19 14:47:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:47:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:47:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:47:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:47:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:47:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:47:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-11-19 14:47:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-11-19 14:47:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-11-19 14:47:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-11-19 14:47:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-11-19 14:47:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-11-19 14:47:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-11-19 14:47:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-11-19 14:47:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-11-19 14:47:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-11-19 14:47:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-11-19 14:47:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-11-19 14:47:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:47:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:47:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-11-19 14:47:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-11-19 14:47:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-11-19 14:47:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-11-19 14:47:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-11-19 14:47:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-11-19 14:47:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-11-19 14:47:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-11-19 14:47:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2021-11-19 14:47:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2021-11-19 14:47:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-11-19 14:47:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-11-19 14:47:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-19 14:47:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-19 14:47:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-11-19 14:47:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-11-19 14:47:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-11-19 14:47:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-11-19 14:47:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-11-19 14:47:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-11-19 14:47:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-11-19 14:47:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-11-19 14:47:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:47:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:47:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:47:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:47:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-11-19 14:47:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-11-19 14:47:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-11-19 14:47:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-11-19 14:47:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-11-19 14:47:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-11-19 14:47:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-19 14:47:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-19 14:47:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:47:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:47:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-11-19 14:47:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-11-19 14:47:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:47:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:47:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-11-19 14:47:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-11-19 14:47:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-19 14:47:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-19 14:47:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-11-19 14:47:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-11-19 14:47:07,360 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:47:07,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:47:10,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:49:05,766 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:49:06,180 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:49:06,207 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:49:06,208 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 14:49:06,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:06 BoogieIcfgContainer [2021-11-19 14:49:06,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:49:06,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:49:06,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:49:06,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:49:06,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:46:57" (1/3) ... [2021-11-19 14:49:06,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd014e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:49:06, skipping insertion in model container [2021-11-19 14:49:06,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:04" (2/3) ... [2021-11-19 14:49:06,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd014e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:49:06, skipping insertion in model container [2021-11-19 14:49:06,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:06" (3/3) ... [2021-11-19 14:49:06,224 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 14:49:06,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:49:06,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:49:06,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:49:06,305 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:49:06,305 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:49:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) [2021-11-19 14:49:06,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-19 14:49:06,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:06,443 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:06,444 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:06,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:06,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1504166602, now seen corresponding path program 1 times [2021-11-19 14:49:06,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:06,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834513545] [2021-11-19 14:49:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:06,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:06,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:06,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:06,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:49:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:08,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:09,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-19 14:49:10,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-19 14:49:12,471 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:12,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834513545] [2021-11-19 14:49:12,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834513545] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:12,472 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:12,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:49:12,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224885692] [2021-11-19 14:49:12,474 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:12,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:49:12,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:12,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:49:12,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:49:12,532 INFO L87 Difference]: Start difference. First operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-19 14:49:14,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:17,083 INFO L93 Difference]: Finished difference Result 8760 states and 12237 transitions. [2021-11-19 14:49:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:49:17,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 276 [2021-11-19 14:49:17,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:17,143 INFO L225 Difference]: With dead ends: 8760 [2021-11-19 14:49:17,144 INFO L226 Difference]: Without dead ends: 5541 [2021-11-19 14:49:17,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:49:17,171 INFO L933 BasicCegarLoop]: 5002 mSDtfsCounter, 3342 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 9295 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:17,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3342 Valid, 9295 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-19 14:49:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5541 states. [2021-11-19 14:49:17,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5541 to 5537. [2021-11-19 14:49:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5537 states, 3915 states have (on average 1.284035759897829) internal successors, (5027), 4030 states have internal predecessors, (5027), 1295 states have call successors, (1295), 326 states have call predecessors, (1295), 326 states have return successors, (1300), 1268 states have call predecessors, (1300), 1295 states have call successors, (1300) [2021-11-19 14:49:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5537 states to 5537 states and 7622 transitions. [2021-11-19 14:49:17,579 INFO L78 Accepts]: Start accepts. Automaton has 5537 states and 7622 transitions. Word has length 276 [2021-11-19 14:49:17,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:17,581 INFO L470 AbstractCegarLoop]: Abstraction has 5537 states and 7622 transitions. [2021-11-19 14:49:17,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-19 14:49:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 5537 states and 7622 transitions. [2021-11-19 14:49:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-19 14:49:17,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:17,598 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:17,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 14:49:17,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:17,813 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:17,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:17,814 INFO L85 PathProgramCache]: Analyzing trace with hash 514018415, now seen corresponding path program 1 times [2021-11-19 14:49:17,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:17,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524251473] [2021-11-19 14:49:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:17,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:17,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:17,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:17,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:49:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:20,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 2708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:20,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-19 14:49:22,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-11-19 14:49:23,776 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:23,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524251473] [2021-11-19 14:49:23,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524251473] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:23,776 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:23,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:49:23,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455150205] [2021-11-19 14:49:23,777 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:23,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:23,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:23,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:23,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:23,780 INFO L87 Difference]: Start difference. First operand 5537 states and 7622 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-19 14:49:25,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:48,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:48,385 INFO L93 Difference]: Finished difference Result 18957 states and 25921 transitions. [2021-11-19 14:49:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:48,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 285 [2021-11-19 14:49:48,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:48,535 INFO L225 Difference]: With dead ends: 18957 [2021-11-19 14:49:48,536 INFO L226 Difference]: Without dead ends: 13463 [2021-11-19 14:49:48,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:48,570 INFO L933 BasicCegarLoop]: 6583 mSDtfsCounter, 6844 mSDsluCounter, 8054 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6844 SdHoareTripleChecker+Valid, 14637 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:48,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6844 Valid, 14637 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1321 Invalid, 1 Unknown, 0 Unchecked, 23.9s Time] [2021-11-19 14:49:48,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13463 states. [2021-11-19 14:49:49,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13463 to 13455. [2021-11-19 14:49:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13455 states, 9536 states have (on average 1.282718120805369) internal successors, (12232), 9806 states have internal predecessors, (12232), 3042 states have call successors, (3042), 876 states have call predecessors, (3042), 876 states have return successors, (3047), 2994 states have call predecessors, (3047), 3042 states have call successors, (3047) [2021-11-19 14:49:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13455 states to 13455 states and 18321 transitions. [2021-11-19 14:49:49,257 INFO L78 Accepts]: Start accepts. Automaton has 13455 states and 18321 transitions. Word has length 285 [2021-11-19 14:49:49,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:49,259 INFO L470 AbstractCegarLoop]: Abstraction has 13455 states and 18321 transitions. [2021-11-19 14:49:49,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-19 14:49:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13455 states and 18321 transitions. [2021-11-19 14:49:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-19 14:49:49,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:49,273 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:49,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:49,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:49,490 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:49,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:49,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1775682955, now seen corresponding path program 1 times [2021-11-19 14:49:49,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:49,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778962511] [2021-11-19 14:49:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:49,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:49,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:49,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:49,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:49:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:52,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:52,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2021-11-19 14:49:53,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:55,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-19 14:49:55,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:55,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778962511] [2021-11-19 14:49:55,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778962511] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:55,585 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:55,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:49:55,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135559636] [2021-11-19 14:49:55,585 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:55,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:55,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:55,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:55,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:55,587 INFO L87 Difference]: Start difference. First operand 13455 states and 18321 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 14:49:57,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:24,501 INFO L93 Difference]: Finished difference Result 49130 states and 66835 transitions. [2021-11-19 14:50:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:50:24,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 301 [2021-11-19 14:50:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:24,729 INFO L225 Difference]: With dead ends: 49130 [2021-11-19 14:50:24,729 INFO L226 Difference]: Without dead ends: 35718 [2021-11-19 14:50:24,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:50:24,810 INFO L933 BasicCegarLoop]: 6856 mSDtfsCounter, 11102 mSDsluCounter, 7036 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 1410 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11102 SdHoareTripleChecker+Valid, 13892 SdHoareTripleChecker+Invalid, 2833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:24,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11102 Valid, 13892 Invalid, 2833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1410 Valid, 1422 Invalid, 1 Unknown, 0 Unchecked, 28.0s Time] [2021-11-19 14:50:24,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35718 states. [2021-11-19 14:50:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35718 to 35686. [2021-11-19 14:50:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35686 states, 25266 states have (on average 1.2798622654951317) internal successors, (32337), 25977 states have internal predecessors, (32337), 8053 states have call successors, (8053), 2360 states have call predecessors, (8053), 2366 states have return successors, (8138), 7911 states have call predecessors, (8138), 8053 states have call successors, (8138) [2021-11-19 14:50:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35686 states to 35686 states and 48528 transitions. [2021-11-19 14:50:26,970 INFO L78 Accepts]: Start accepts. Automaton has 35686 states and 48528 transitions. Word has length 301 [2021-11-19 14:50:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:26,971 INFO L470 AbstractCegarLoop]: Abstraction has 35686 states and 48528 transitions. [2021-11-19 14:50:26,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 14:50:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 35686 states and 48528 transitions. [2021-11-19 14:50:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-19 14:50:26,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:26,989 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:27,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:27,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:27,209 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:27,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash 390048257, now seen corresponding path program 1 times [2021-11-19 14:50:27,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:27,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286204995] [2021-11-19 14:50:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:27,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:27,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:27,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:27,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:50:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:29,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:50:29,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2021-11-19 14:50:31,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2021-11-19 14:50:33,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:33,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286204995] [2021-11-19 14:50:33,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286204995] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:33,848 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:33,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:50:33,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099118861] [2021-11-19 14:50:33,848 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:33,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:50:33,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:33,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:50:33,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:50:33,850 INFO L87 Difference]: Start difference. First operand 35686 states and 48528 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-19 14:50:36,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:51:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:51:05,534 INFO L93 Difference]: Finished difference Result 142327 states and 193584 transitions. [2021-11-19 14:51:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:51:05,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 324 [2021-11-19 14:51:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:51:06,295 INFO L225 Difference]: With dead ends: 142327 [2021-11-19 14:51:06,296 INFO L226 Difference]: Without dead ends: 106684 [2021-11-19 14:51:06,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:51:06,433 INFO L933 BasicCegarLoop]: 6937 mSDtfsCounter, 10426 mSDsluCounter, 7105 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 1230 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10426 SdHoareTripleChecker+Valid, 14042 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1230 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:51:06,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10426 Valid, 14042 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1230 Valid, 1489 Invalid, 1 Unknown, 0 Unchecked, 28.8s Time] [2021-11-19 14:51:06,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106684 states. [2021-11-19 14:51:11,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106684 to 106608. [2021-11-19 14:51:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106608 states, 75424 states have (on average 1.2800567458633856) internal successors, (96547), 77605 states have internal predecessors, (96547), 24085 states have call successors, (24085), 7080 states have call predecessors, (24085), 7098 states have return successors, (24340), 23611 states have call predecessors, (24340), 24085 states have call successors, (24340) [2021-11-19 14:51:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106608 states to 106608 states and 144972 transitions. [2021-11-19 14:51:12,808 INFO L78 Accepts]: Start accepts. Automaton has 106608 states and 144972 transitions. Word has length 324 [2021-11-19 14:51:12,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:51:12,809 INFO L470 AbstractCegarLoop]: Abstraction has 106608 states and 144972 transitions. [2021-11-19 14:51:12,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-19 14:51:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 106608 states and 144972 transitions. [2021-11-19 14:51:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-19 14:51:12,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:51:12,851 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 19, 19, 19, 19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:51:12,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:51:13,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:51:13,066 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:51:13,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:51:13,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1435076071, now seen corresponding path program 1 times [2021-11-19 14:51:13,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:51:13,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066364254] [2021-11-19 14:51:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:51:13,071 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:51:13,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:51:13,072 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:51:13,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:51:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:51:15,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 2931 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:51:15,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:51:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2021-11-19 14:51:18,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:51:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-11-19 14:51:20,819 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:51:20,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066364254] [2021-11-19 14:51:20,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066364254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:51:20,819 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:51:20,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:51:20,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136159845] [2021-11-19 14:51:20,820 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:51:20,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:51:20,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:51:20,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:51:20,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:51:20,822 INFO L87 Difference]: Start difference. First operand 106608 states and 144972 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 14:51:23,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:51:55,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:51:55,173 INFO L93 Difference]: Finished difference Result 318747 states and 432921 transitions. [2021-11-19 14:51:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:51:55,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 344 [2021-11-19 14:51:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:51:56,489 INFO L225 Difference]: With dead ends: 318747 [2021-11-19 14:51:56,489 INFO L226 Difference]: Without dead ends: 212182 [2021-11-19 14:51:56,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:51:56,844 INFO L933 BasicCegarLoop]: 5117 mSDtfsCounter, 4727 mSDsluCounter, 7753 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4727 SdHoareTripleChecker+Valid, 12870 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:51:56,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4727 Valid, 12870 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1491 Invalid, 1 Unknown, 0 Unchecked, 28.0s Time] [2021-11-19 14:51:57,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212182 states. [2021-11-19 14:52:05,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212182 to 212180. [2021-11-19 14:52:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212180 states, 150193 states have (on average 1.279500376182645) internal successors, (192172), 154454 states have internal predecessors, (192172), 47635 states have call successors, (47635), 14315 states have call predecessors, (47635), 14351 states have return successors, (48145), 46795 states have call predecessors, (48145), 47635 states have call successors, (48145) [2021-11-19 14:52:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212180 states to 212180 states and 287952 transitions. [2021-11-19 14:52:07,253 INFO L78 Accepts]: Start accepts. Automaton has 212180 states and 287952 transitions. Word has length 344 [2021-11-19 14:52:07,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:52:07,254 INFO L470 AbstractCegarLoop]: Abstraction has 212180 states and 287952 transitions. [2021-11-19 14:52:07,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 14:52:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 212180 states and 287952 transitions. [2021-11-19 14:52:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-19 14:52:07,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:52:07,289 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:52:07,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:52:07,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:52:07,514 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:52:07,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:52:07,515 INFO L85 PathProgramCache]: Analyzing trace with hash -157489606, now seen corresponding path program 1 times [2021-11-19 14:52:07,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:52:07,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913739681] [2021-11-19 14:52:07,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:52:07,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:52:07,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:52:07,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:52:07,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fc0a08-4128-4734-8941-631e572f3c27/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:52:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:52:10,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 2991 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:52:10,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:52:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2021-11-19 14:52:12,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:52:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1812 trivial. 0 not checked. [2021-11-19 14:52:15,012 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:52:15,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913739681] [2021-11-19 14:52:15,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913739681] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:52:15,012 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:52:15,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:52:15,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900106200] [2021-11-19 14:52:15,013 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:52:15,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:52:15,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:52:15,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:52:15,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:52:15,015 INFO L87 Difference]: Start difference. First operand 212180 states and 287952 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2021-11-19 14:52:17,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []