./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-fealnx.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_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/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_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/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-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/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_993180ba-4d0f-453c-8c19-480522453b09/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 a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:35:32,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:35:32,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:35:32,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:35:32,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:35:32,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:35:32,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:35:32,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:35:32,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:35:32,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:35:32,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:35:32,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:35:32,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:35:32,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:35:32,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:35:32,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:35:32,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:35:32,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:35:32,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:35:32,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:35:32,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:35:32,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:35:32,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:35:32,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:35:32,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:35:32,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:35:32,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:35:32,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:35:32,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:35:32,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:35:32,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:35:32,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:35:32,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:35:32,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:35:32,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:35:32,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:35:32,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:35:32,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:35:32,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:35:32,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:35:32,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:35:32,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:35:32,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:35:32,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:35:32,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:35:32,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:35:32,776 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:35:32,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:35:32,776 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:35:32,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:35:32,777 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:35:32,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:35:32,778 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:35:32,778 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:35:32,779 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:35:32,779 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:35:32,779 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:35:32,779 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:35:32,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:35:32,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:35:32,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:35:32,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:35:32,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:35:32,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:35:32,782 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:35:32,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:35:32,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:35:32,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:35:32,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:35:32,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:35:32,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:35:32,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:35:32,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:35:32,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:35:32,784 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:35:32,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:35:32,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:35:32,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:35:32,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:35:32,785 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_993180ba-4d0f-453c-8c19-480522453b09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2021-11-19 14:35:33,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:35:33,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:35:33,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:35:33,133 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:35:33,134 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:35:33,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-19 14:35:33,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/349a89ba9/d3195b0341de4052b67434975210bf54/FLAG7452a9c4f [2021-11-19 14:35:34,240 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:35:34,241 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-19 14:35:34,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/349a89ba9/d3195b0341de4052b67434975210bf54/FLAG7452a9c4f [2021-11-19 14:35:34,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/349a89ba9/d3195b0341de4052b67434975210bf54 [2021-11-19 14:35:34,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:35:34,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:35:34,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:34,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:35:34,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:35:34,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:34" (1/1) ... [2021-11-19 14:35:34,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bc965b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:34, skipping insertion in model container [2021-11-19 14:35:34,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:34" (1/1) ... [2021-11-19 14:35:34,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:35:34,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:35:37,310 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 14:35:37,318 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 14:35:38,439 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_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-19 14:35:38,442 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_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-19 14:35:38,462 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:38,494 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 14:35:38,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29c9bc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:38, skipping insertion in model container [2021-11-19 14:35:38,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:38,496 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:35:38,498 INFO L158 Benchmark]: Toolchain (without parser) took 3927.56ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 71.3MB in the end (delta: -3.7MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-19 14:35:38,498 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:35:38,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3925.23ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 71.3MB in the end (delta: -3.7MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-19 14:35:38,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3925.23ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 71.3MB in the end (delta: -3.7MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6286]: 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_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/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_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/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-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/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_993180ba-4d0f-453c-8c19-480522453b09/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 a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:35:40,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:35:40,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:35:40,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:35:40,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:35:40,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:35:40,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:35:40,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:35:40,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:35:40,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:35:40,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:35:40,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:35:40,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:35:40,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:35:40,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:35:40,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:35:40,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:35:40,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:35:40,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:35:40,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:35:40,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:35:41,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:35:41,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:35:41,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:35:41,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:35:41,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:35:41,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:35:41,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:35:41,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:35:41,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:35:41,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:35:41,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:35:41,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:35:41,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:35:41,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:35:41,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:35:41,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:35:41,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:35:41,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:35:41,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:35:41,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:35:41,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:35:41,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:35:41,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:35:41,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:35:41,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:35:41,105 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:35:41,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:35:41,105 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:35:41,106 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:35:41,107 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:35:41,107 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:35:41,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:35:41,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:35:41,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:35:41,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:35:41,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:35:41,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:35:41,111 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:35:41,112 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:35:41,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:35:41,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:35:41,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:35:41,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:35:41,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:35:41,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:35:41,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:35:41,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:35:41,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:35:41,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:35:41,114 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:35:41,115 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:35:41,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:35:41,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:35:41,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:35:41,116 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_993180ba-4d0f-453c-8c19-480522453b09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2021-11-19 14:35:41,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:35:41,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:35:41,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:35:41,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:35:41,598 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:35:41,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-19 14:35:41,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/17a7e35cb/a58526fd08b3406f9db58fb5e61dcebc/FLAG79e97839b [2021-11-19 14:35:42,829 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:35:42,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-19 14:35:42,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/17a7e35cb/a58526fd08b3406f9db58fb5e61dcebc/FLAG79e97839b [2021-11-19 14:35:43,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/data/17a7e35cb/a58526fd08b3406f9db58fb5e61dcebc [2021-11-19 14:35:43,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:35:43,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:35:43,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:43,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:35:43,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:35:43,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:43" (1/1) ... [2021-11-19 14:35:43,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24783326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:43, skipping insertion in model container [2021-11-19 14:35:43,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:43" (1/1) ... [2021-11-19 14:35:43,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:35:43,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:35:46,779 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_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-19 14:35:46,782 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_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-19 14:35:46,826 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:46,871 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:35:47,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:35:47,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-19 14:35:47,526 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_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-19 14:35:47,532 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:47,575 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:35:47,988 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_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-19 14:35:47,988 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_993180ba-4d0f-453c-8c19-480522453b09/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-19 14:35:47,996 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:35:48,254 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:35:48,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48 WrapperNode [2021-11-19 14:35:48,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:35:48,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:35:48,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:35:48,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:35:48,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,667 INFO L137 Inliner]: procedures = 447, calls = 1883, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 4255 [2021-11-19 14:35:48,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:35:48,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:35:48,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:35:48,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:35:48,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:35:48,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:35:48,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:35:48,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:35:48,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (1/1) ... [2021-11-19 14:35:48,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:35:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:35:48,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:35:49,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:35:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2021-11-19 14:35:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2021-11-19 14:35:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2021-11-19 14:35:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2021-11-19 14:35:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-19 14:35:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-19 14:35:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 14:35:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 14:35:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:35:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:35:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:35:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:35:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:35:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:35:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:35:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:35:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:35:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:35:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 14:35:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 14:35:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:35:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:35:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:35:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:35:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:35:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:35:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 14:35:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 14:35:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2021-11-19 14:35:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2021-11-19 14:35:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:35:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:35:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:35:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:35:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:35:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:35:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-11-19 14:35:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-11-19 14:35:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2021-11-19 14:35:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2021-11-19 14:35:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:35:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:35:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:35:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:35:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:35:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:35:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 14:35:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 14:35:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:35:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:35:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2021-11-19 14:35:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2021-11-19 14:35:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:35:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:35:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2021-11-19 14:35:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2021-11-19 14:35:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:35:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:35:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-19 14:35:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-19 14:35:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:35:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:35:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:35:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:35:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:35:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:35:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:35:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:35:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:35:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:35:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:35:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:35:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:35:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:35:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:35:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:35:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:35:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:35:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-19 14:35:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-19 14:35:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:35:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:35:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:35:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:35:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:35:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:35:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:35:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:35:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:35:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:35:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:35:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:35:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:35:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:35:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:35:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:35:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:35:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:35:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:35:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:35:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:35:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:35:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:35:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2021-11-19 14:35:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2021-11-19 14:35:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2021-11-19 14:35:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2021-11-19 14:35:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-19 14:35:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-19 14:35:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:35:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:35:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:35:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:35:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:35:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:35:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:35:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:35:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:35:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:35:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-19 14:35:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-19 14:35:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:35:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:35:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-19 14:35:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-19 14:35:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2021-11-19 14:35:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2021-11-19 14:35:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:35:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:35:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:35:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:35:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:35:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:35:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 14:35:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 14:35:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:35:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:35:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 14:35:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 14:35:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:35:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2021-11-19 14:35:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2021-11-19 14:35:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:35:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:35:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:35:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-19 14:35:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-19 14:35:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:35:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:35:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:35:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:35:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:35:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:35:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:35:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:35:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:35:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-19 14:35:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-19 14:35:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:35:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:35:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-19 14:35:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-19 14:35:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:35:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:35:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:35:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:35:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2021-11-19 14:35:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2021-11-19 14:35:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 14:35:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 14:35:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2021-11-19 14:35:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2021-11-19 14:35:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:35:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:35:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2021-11-19 14:35:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2021-11-19 14:35:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2021-11-19 14:35:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2021-11-19 14:35:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:35:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:35:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:35:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:35:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:35:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:35:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:35:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:35:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:35:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:35:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 14:35:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 14:35:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:35:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:35:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2021-11-19 14:35:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2021-11-19 14:35:50,124 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:35:50,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:36:05,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:36:35,284 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:36:35,364 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:36:35,446 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:36:35,446 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:36:35,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:35 BoogieIcfgContainer [2021-11-19 14:36:35,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:36:35,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:36:35,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:36:35,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:36:35,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:35:43" (1/3) ... [2021-11-19 14:36:35,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6aa289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:36:35, skipping insertion in model container [2021-11-19 14:36:35,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48" (2/3) ... [2021-11-19 14:36:35,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6aa289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:36:35, skipping insertion in model container [2021-11-19 14:36:35,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:35" (3/3) ... [2021-11-19 14:36:35,467 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-19 14:36:35,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:36:35,474 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:36:35,586 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:36:35,594 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 14:36:35,594 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:36:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 1571 states, 1099 states have (on average 1.2829845313921746) internal successors, (1410), 1118 states have internal predecessors, (1410), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2021-11-19 14:36:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-19 14:36:35,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:35,705 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2021-11-19 14:36:35,706 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:36:35,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:35,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1843673617, now seen corresponding path program 1 times [2021-11-19 14:36:35,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:36:35,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690415888] [2021-11-19 14:36:35,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:35,736 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:36:35,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:36:35,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:36:35,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:36:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:37,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:36:37,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:36:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-19 14:36:38,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:36:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-19 14:36:38,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:36:38,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690415888] [2021-11-19 14:36:38,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690415888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:38,815 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:38,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:36:38,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852977540] [2021-11-19 14:36:38,818 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:38,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:36:38,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:36:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:36:38,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:36:38,883 INFO L87 Difference]: Start difference. First operand has 1571 states, 1099 states have (on average 1.2829845313921746) internal successors, (1410), 1118 states have internal predecessors, (1410), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:36:41,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:36:45,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:45,220 INFO L93 Difference]: Finished difference Result 5987 states and 8439 transitions. [2021-11-19 14:36:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:36:45,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 170 [2021-11-19 14:36:45,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:45,311 INFO L225 Difference]: With dead ends: 5987 [2021-11-19 14:36:45,311 INFO L226 Difference]: Without dead ends: 4318 [2021-11-19 14:36:45,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:36:45,342 INFO L933 BasicCegarLoop]: 3049 mSDtfsCounter, 4048 mSDsluCounter, 5201 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4048 SdHoareTripleChecker+Valid, 8250 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:45,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4048 Valid, 8250 Invalid, 706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 697 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2021-11-19 14:36:45,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2021-11-19 14:36:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 4310. [2021-11-19 14:36:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4310 states, 3076 states have (on average 1.282184655396619) internal successors, (3944), 3134 states have internal predecessors, (3944), 1002 states have call successors, (1002), 235 states have call predecessors, (1002), 231 states have return successors, (1012), 983 states have call predecessors, (1012), 1002 states have call successors, (1012) [2021-11-19 14:36:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 4310 states and 5958 transitions. [2021-11-19 14:36:45,928 INFO L78 Accepts]: Start accepts. Automaton has 4310 states and 5958 transitions. Word has length 170 [2021-11-19 14:36:45,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:45,932 INFO L470 AbstractCegarLoop]: Abstraction has 4310 states and 5958 transitions. [2021-11-19 14:36:45,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:36:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 4310 states and 5958 transitions. [2021-11-19 14:36:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-19 14:36:45,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:45,961 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2021-11-19 14:36:46,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:36:46,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:36:46,187 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:36:46,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:46,188 INFO L85 PathProgramCache]: Analyzing trace with hash -526227326, now seen corresponding path program 1 times [2021-11-19 14:36:46,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:36:46,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956931186] [2021-11-19 14:36:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:46,192 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:36:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:36:46,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:36:46,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:36:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:47,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:36:47,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:36:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-19 14:36:48,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:36:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-11-19 14:36:48,887 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:36:48,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956931186] [2021-11-19 14:36:48,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956931186] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:48,888 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:48,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:36:48,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108083699] [2021-11-19 14:36:48,889 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:48,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:36:48,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:36:48,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:36:48,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:36:48,894 INFO L87 Difference]: Start difference. First operand 4310 states and 5958 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:36:51,068 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 14:36:56,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:56,571 INFO L93 Difference]: Finished difference Result 14475 states and 19933 transitions. [2021-11-19 14:36:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:36:56,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 178 [2021-11-19 14:36:56,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:56,669 INFO L225 Difference]: With dead ends: 14475 [2021-11-19 14:36:56,669 INFO L226 Difference]: Without dead ends: 10188 [2021-11-19 14:36:56,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:36:56,699 INFO L933 BasicCegarLoop]: 2657 mSDtfsCounter, 4303 mSDsluCounter, 2873 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 482 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4303 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:56,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4303 Valid, 5530 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 807 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2021-11-19 14:36:56,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10188 states. [2021-11-19 14:36:57,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10188 to 10178. [2021-11-19 14:36:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10178 states, 7295 states have (on average 1.2767649074708705) internal successors, (9314), 7422 states have internal predecessors, (9314), 2312 states have call successors, (2312), 578 states have call predecessors, (2312), 570 states have return successors, (2322), 2277 states have call predecessors, (2322), 2312 states have call successors, (2322) [2021-11-19 14:36:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10178 states to 10178 states and 13948 transitions. [2021-11-19 14:36:57,408 INFO L78 Accepts]: Start accepts. Automaton has 10178 states and 13948 transitions. Word has length 178 [2021-11-19 14:36:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:57,410 INFO L470 AbstractCegarLoop]: Abstraction has 10178 states and 13948 transitions. [2021-11-19 14:36:57,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:36:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 10178 states and 13948 transitions. [2021-11-19 14:36:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-19 14:36:57,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:57,423 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2021-11-19 14:36:57,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:36:57,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:36:57,645 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:36:57,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:57,646 INFO L85 PathProgramCache]: Analyzing trace with hash 378501349, now seen corresponding path program 1 times [2021-11-19 14:36:57,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:36:57,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954721878] [2021-11-19 14:36:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:57,648 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:36:57,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:36:57,650 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:36:57,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:36:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:59,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:36:59,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:36:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-19 14:36:59,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:37:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-19 14:37:00,144 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:37:00,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954721878] [2021-11-19 14:37:00,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954721878] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:00,145 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:00,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:37:00,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429139994] [2021-11-19 14:37:00,145 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:00,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:37:00,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:37:00,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:37:00,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:37:00,147 INFO L87 Difference]: Start difference. First operand 10178 states and 13948 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:37:02,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:37:06,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:06,275 INFO L93 Difference]: Finished difference Result 36737 states and 50015 transitions. [2021-11-19 14:37:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:37:06,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 187 [2021-11-19 14:37:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:06,493 INFO L225 Difference]: With dead ends: 36737 [2021-11-19 14:37:06,493 INFO L226 Difference]: Without dead ends: 26582 [2021-11-19 14:37:06,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:37:06,546 INFO L933 BasicCegarLoop]: 2763 mSDtfsCounter, 3501 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 7516 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:06,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3501 Valid, 7516 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 638 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-11-19 14:37:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26582 states. [2021-11-19 14:37:08,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26582 to 26562. [2021-11-19 14:37:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26562 states, 18913 states have (on average 1.264209802781156) internal successors, (23910), 19238 states have internal predecessors, (23910), 6028 states have call successors, (6028), 1648 states have call predecessors, (6028), 1620 states have return successors, (6098), 5901 states have call predecessors, (6098), 6028 states have call successors, (6098) [2021-11-19 14:37:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26562 states to 26562 states and 36036 transitions. [2021-11-19 14:37:08,292 INFO L78 Accepts]: Start accepts. Automaton has 26562 states and 36036 transitions. Word has length 187 [2021-11-19 14:37:08,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:08,294 INFO L470 AbstractCegarLoop]: Abstraction has 26562 states and 36036 transitions. [2021-11-19 14:37:08,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:37:08,296 INFO L276 IsEmpty]: Start isEmpty. Operand 26562 states and 36036 transitions. [2021-11-19 14:37:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-19 14:37:08,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:08,305 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:37:08,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:37:08,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:37:08,519 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:37:08,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:08,519 INFO L85 PathProgramCache]: Analyzing trace with hash -866692107, now seen corresponding path program 1 times [2021-11-19 14:37:08,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:37:08,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708877663] [2021-11-19 14:37:08,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:08,521 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:37:08,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:37:08,522 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:37:08,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:37:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:09,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:37:09,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:37:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-19 14:37:10,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:37:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2021-11-19 14:37:10,897 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:37:10,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708877663] [2021-11-19 14:37:10,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708877663] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:10,898 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:10,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:37:10,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237999887] [2021-11-19 14:37:10,898 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:10,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:37:10,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:37:10,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:37:10,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:37:10,900 INFO L87 Difference]: Start difference. First operand 26562 states and 36036 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:37:13,035 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 14:37:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:19,534 INFO L93 Difference]: Finished difference Result 105747 states and 143535 transitions. [2021-11-19 14:37:19,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:37:19,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 193 [2021-11-19 14:37:19,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:20,078 INFO L225 Difference]: With dead ends: 105747 [2021-11-19 14:37:20,079 INFO L226 Difference]: Without dead ends: 79208 [2021-11-19 14:37:20,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:37:20,218 INFO L933 BasicCegarLoop]: 3897 mSDtfsCounter, 5038 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 616 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 7318 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:20,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5038 Valid, 7318 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 737 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-11-19 14:37:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79208 states. [2021-11-19 14:37:24,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79208 to 79096. [2021-11-19 14:37:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79096 states, 56223 states have (on average 1.2642334987460648) internal successors, (71079), 57270 states have internal predecessors, (71079), 18012 states have call successors, (18012), 4944 states have call predecessors, (18012), 4860 states have return successors, (18222), 17559 states have call predecessors, (18222), 18012 states have call successors, (18222) [2021-11-19 14:37:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79096 states to 79096 states and 107313 transitions. [2021-11-19 14:37:25,763 INFO L78 Accepts]: Start accepts. Automaton has 79096 states and 107313 transitions. Word has length 193 [2021-11-19 14:37:25,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:25,779 INFO L470 AbstractCegarLoop]: Abstraction has 79096 states and 107313 transitions. [2021-11-19 14:37:25,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:37:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 79096 states and 107313 transitions. [2021-11-19 14:37:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-19 14:37:25,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:25,799 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 14:37:25,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:37:26,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:37:26,023 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:37:26,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash 793690225, now seen corresponding path program 1 times [2021-11-19 14:37:26,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:37:26,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334130902] [2021-11-19 14:37:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:26,025 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:37:26,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:37:26,027 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:37:26,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:37:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:27,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:37:27,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:37:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-19 14:37:27,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:37:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-11-19 14:37:28,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:37:28,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334130902] [2021-11-19 14:37:28,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334130902] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:28,306 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:28,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:37:28,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407135419] [2021-11-19 14:37:28,307 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:28,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:37:28,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:37:28,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:37:28,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:37:28,309 INFO L87 Difference]: Start difference. First operand 79096 states and 107313 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-19 14:37:30,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:37:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:39,127 INFO L93 Difference]: Finished difference Result 235577 states and 318915 transitions. [2021-11-19 14:37:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:37:39,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 213 [2021-11-19 14:37:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:40,115 INFO L225 Difference]: With dead ends: 235577 [2021-11-19 14:37:40,115 INFO L226 Difference]: Without dead ends: 156504 [2021-11-19 14:37:40,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:37:40,342 INFO L933 BasicCegarLoop]: 2683 mSDtfsCounter, 2790 mSDsluCounter, 3854 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 6537 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:40,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2790 Valid, 6537 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 721 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2021-11-19 14:37:40,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156504 states. [2021-11-19 14:37:47,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156504 to 156500. [2021-11-19 14:37:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156500 states, 111392 states have (on average 1.2631517523700087) internal successors, (140705), 113329 states have internal predecessors, (140705), 35211 states have call successors, (35211), 10064 states have call predecessors, (35211), 9896 states have return successors, (35631), 34467 states have call predecessors, (35631), 35211 states have call successors, (35631) [2021-11-19 14:37:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156500 states to 156500 states and 211547 transitions. [2021-11-19 14:37:49,451 INFO L78 Accepts]: Start accepts. Automaton has 156500 states and 211547 transitions. Word has length 213 [2021-11-19 14:37:49,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:49,452 INFO L470 AbstractCegarLoop]: Abstraction has 156500 states and 211547 transitions. [2021-11-19 14:37:49,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-19 14:37:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 156500 states and 211547 transitions. [2021-11-19 14:37:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-19 14:37:49,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:49,479 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:37:49,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:37:49,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:37:49,703 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:37:49,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:49,704 INFO L85 PathProgramCache]: Analyzing trace with hash -83255748, now seen corresponding path program 1 times [2021-11-19 14:37:49,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:37:49,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135727355] [2021-11-19 14:37:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:49,706 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:37:49,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:37:49,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:37:49,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993180ba-4d0f-453c-8c19-480522453b09/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:37:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:50,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1537 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:37:50,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:37:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-19 14:37:51,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:37:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-11-19 14:37:52,042 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:37:52,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135727355] [2021-11-19 14:37:52,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135727355] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:52,042 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:52,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:37:52,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392544158] [2021-11-19 14:37:52,043 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:52,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:37:52,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:37:52,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:37:52,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:37:52,045 INFO L87 Difference]: Start difference. First operand 156500 states and 211547 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 14:37:54,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:38:04,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:38:04,897 INFO L93 Difference]: Finished difference Result 420044 states and 569300 transitions. [2021-11-19 14:38:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:38:04,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 234 [2021-11-19 14:38:04,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:38:06,616 INFO L225 Difference]: With dead ends: 420044 [2021-11-19 14:38:06,616 INFO L226 Difference]: Without dead ends: 263567 [2021-11-19 14:38:07,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:38:07,436 INFO L933 BasicCegarLoop]: 2434 mSDtfsCounter, 1798 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 4465 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:38:07,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1798 Valid, 4465 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:38:07,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263567 states.