./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/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_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-12 23:44:14,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:44:14,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:44:14,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:44:14,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:44:15,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:44:15,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:44:15,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:44:15,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:44:15,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:44:15,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:44:15,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:44:15,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:44:15,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:44:15,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:44:15,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:44:15,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:44:15,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:44:15,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:44:15,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:44:15,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:44:15,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:44:15,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:44:15,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:44:15,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:44:15,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:44:15,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:44:15,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:44:15,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:44:15,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:44:15,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:44:15,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:44:15,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:44:15,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:44:15,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:44:15,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:44:15,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:44:15,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:44:15,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:44:15,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:44:15,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:44:15,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:44:15,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:44:15,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:44:15,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:44:15,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:44:15,124 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:44:15,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:44:15,125 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:44:15,125 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:44:15,125 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:44:15,131 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:44:15,132 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:44:15,133 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:44:15,133 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:44:15,133 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:44:15,134 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:44:15,134 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:44:15,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:44:15,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:44:15,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:44:15,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:44:15,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:44:15,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:44:15,136 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:44:15,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:44:15,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:44:15,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:44:15,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:44:15,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:44:15,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:15,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:44:15,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:44:15,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:44:15,139 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:44:15,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:44:15,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:44:15,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:44:15,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:44:15,140 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_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2021-11-12 23:44:15,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:44:15,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:44:15,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:44:15,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:44:15,441 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:44:15,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-12 23:44:15,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/6cddf60ea/de5f1c6e89024754ac5e190f6143d7ac/FLAG92d9b5959 [2021-11-12 23:44:16,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:44:16,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-12 23:44:16,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/6cddf60ea/de5f1c6e89024754ac5e190f6143d7ac/FLAG92d9b5959 [2021-11-12 23:44:16,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/6cddf60ea/de5f1c6e89024754ac5e190f6143d7ac [2021-11-12 23:44:16,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:44:16,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:44:16,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:16,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:44:16,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:44:16,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:16" (1/1) ... [2021-11-12 23:44:16,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ede793d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:16, skipping insertion in model container [2021-11-12 23:44:16,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:16" (1/1) ... [2021-11-12 23:44:16,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:44:17,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:44:18,862 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:18,869 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:44:19,803 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-12 23:44:19,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-12 23:44:19,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:44:19,911 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) [2021-11-12 23:44:19,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10bd7921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:19, skipping insertion in model container [2021-11-12 23:44:19,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:19,913 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:44:19,915 INFO L158 Benchmark]: Toolchain (without parser) took 3083.14ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 72.7MB in the beginning and 77.8MB in the end (delta: -5.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-11-12 23:44:19,916 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:44:19,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3080.62ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 72.4MB in the beginning and 77.8MB in the end (delta: -5.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-11-12 23:44:19,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3080.62ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 72.4MB in the beginning and 77.8MB in the end (delta: -5.4MB). Peak memory consumption was 40.9MB. 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_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/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_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-12 23:44:22,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:44:22,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:44:22,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:44:22,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:44:22,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:44:22,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:44:22,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:44:22,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:44:22,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:44:22,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:44:22,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:44:22,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:44:22,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:44:22,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:44:22,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:44:22,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:44:22,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:44:22,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:44:22,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:44:22,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:44:22,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:44:22,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:44:22,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:44:22,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:44:22,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:44:22,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:44:22,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:44:22,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:44:22,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:44:22,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:44:22,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:44:22,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:44:22,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:44:22,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:44:22,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:44:22,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:44:22,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:44:22,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:44:22,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:44:22,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:44:22,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:44:22,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:44:22,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:44:22,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:44:22,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:44:22,384 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:44:22,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:44:22,385 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:44:22,385 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:44:22,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:44:22,385 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:44:22,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:44:22,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:44:22,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:44:22,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:44:22,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:44:22,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:44:22,389 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:44:22,389 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:44:22,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:44:22,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:44:22,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:44:22,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:44:22,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:44:22,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:44:22,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:22,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:44:22,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:44:22,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:44:22,391 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:44:22,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:44:22,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:44:22,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:44:22,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:44:22,392 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_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2021-11-12 23:44:22,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:44:22,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:44:22,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:44:22,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:44:22,858 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:44:22,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-12 23:44:22,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/88028aa0a/d8a921b7b7224881afeee6967151d932/FLAG392d44c44 [2021-11-12 23:44:23,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:44:23,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-12 23:44:23,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/88028aa0a/d8a921b7b7224881afeee6967151d932/FLAG392d44c44 [2021-11-12 23:44:24,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/data/88028aa0a/d8a921b7b7224881afeee6967151d932 [2021-11-12 23:44:24,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:44:24,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:44:24,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:24,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:44:24,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:44:24,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:24" (1/1) ... [2021-11-12 23:44:24,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296264ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:24, skipping insertion in model container [2021-11-12 23:44:24,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:24" (1/1) ... [2021-11-12 23:44:24,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:44:24,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:44:27,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-12 23:44:27,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-12 23:44:27,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:44:27,419 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:44:27,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:44:27,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-12 23:44:27,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-12 23:44:27,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:44:27,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:44:28,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2021-11-12 23:44:28,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2021-11-12 23:44:28,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:44:28,604 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:44:28,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28 WrapperNode [2021-11-12 23:44:28,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:28,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:44:28,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:44:28,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:44:28,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:28,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:28,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:44:28,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:44:28,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:44:28,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:44:28,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:28,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:28,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:28,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:29,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:29,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:29,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:29,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:44:29,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:44:29,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:44:29,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:44:29,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (1/1) ... [2021-11-12 23:44:29,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:29,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:44:29,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:44:29,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:44:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2021-11-12 23:44:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2021-11-12 23:44:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2021-11-12 23:44:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2021-11-12 23:44:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-12 23:44:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-12 23:44:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:44:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:44:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:44:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:44:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:44:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:44:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:44:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:44:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:44:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:44:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:44:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:44:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-12 23:44:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-12 23:44:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:44:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:44:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:44:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:44:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:44:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:44:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-12 23:44:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-12 23:44:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2021-11-12 23:44:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2021-11-12 23:44:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:44:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:44:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:44:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:44:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 23:44:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 23:44:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-11-12 23:44:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-11-12 23:44:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2021-11-12 23:44:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2021-11-12 23:44:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:44:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:44:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:44:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:44:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:44:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:44:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 23:44:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 23:44:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:44:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:44:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2021-11-12 23:44:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2021-11-12 23:44:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:44:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:44:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2021-11-12 23:44:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2021-11-12 23:44:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:44:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:44:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-12 23:44:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-12 23:44:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:44:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:44:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:44:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:44:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:44:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:44:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:44:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:44:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:44:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:44:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:44:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:44:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:44:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:44:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:44:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:44:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:44:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-12 23:44:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-12 23:44:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:44:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:44:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:44:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:44:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:44:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:44:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:44:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:44:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:44:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:44:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:44:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:44:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 23:44:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 23:44:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:44:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:44:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:44:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:44:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:44:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:44:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:44:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:44:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:44:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2021-11-12 23:44:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2021-11-12 23:44:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2021-11-12 23:44:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2021-11-12 23:44:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-12 23:44:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-12 23:44:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:44:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:44:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:44:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:44:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:44:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:44:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:44:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:44:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:44:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:44:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-12 23:44:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-12 23:44:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:44:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:44:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-12 23:44:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-12 23:44:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2021-11-12 23:44:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2021-11-12 23:44:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:44:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:44:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:44:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:44:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:44:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:44:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 23:44:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 23:44:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:44:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:44:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-12 23:44:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-12 23:44:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:44:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2021-11-12 23:44:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2021-11-12 23:44:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:44:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:44:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:44:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-12 23:44:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-12 23:44:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:44:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:44:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:44:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:44:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:44:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:44:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:44:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:44:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:44:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-12 23:44:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-12 23:44:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:44:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:44:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-12 23:44:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-12 23:44:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:44:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:44:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:44:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:44:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2021-11-12 23:44:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2021-11-12 23:44:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 23:44:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 23:44:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2021-11-12 23:44:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2021-11-12 23:44:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:44:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:44:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2021-11-12 23:44:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2021-11-12 23:44:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2021-11-12 23:44:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2021-11-12 23:44:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:44:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:44:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:44:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:44:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:44:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:44:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:44:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:44:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-12 23:44:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-12 23:44:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 23:44:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 23:44:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:44:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:44:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2021-11-12 23:44:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2021-11-12 23:44:44,778 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:45:20,215 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:45:20,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:45:20,319 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:45:20,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:45:20 BoogieIcfgContainer [2021-11-12 23:45:20,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:45:20,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:45:20,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:45:20,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:45:20,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:44:24" (1/3) ... [2021-11-12 23:45:20,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9560ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:45:20, skipping insertion in model container [2021-11-12 23:45:20,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:28" (2/3) ... [2021-11-12 23:45:20,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9560ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:45:20, skipping insertion in model container [2021-11-12 23:45:20,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:45:20" (3/3) ... [2021-11-12 23:45:20,332 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2021-11-12 23:45:20,338 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:45:20,338 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:45:20,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:45:20,403 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 [2021-11-12 23:45:20,404 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:45:20,453 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) [2021-11-12 23:45:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-12 23:45:20,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:20,482 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] [2021-11-12 23:45:20,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:45:20,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:20,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1843673617, now seen corresponding path program 1 times [2021-11-12 23:45:20,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:20,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008842781] [2021-11-12 23:45:20,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:20,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:20,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:20,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:20,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:45:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:23,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:23,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-12 23:45:23,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-12 23:45:24,325 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:24,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008842781] [2021-11-12 23:45:24,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008842781] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:24,331 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:24,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:45:24,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973309583] [2021-11-12 23:45:24,337 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:24,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:45:24,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:24,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:45:24,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:24,389 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) [2021-11-12 23:45:26,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:45:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:30,923 INFO L93 Difference]: Finished difference Result 5987 states and 8439 transitions. [2021-11-12 23:45:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:45:30,928 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 [2021-11-12 23:45:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:30,999 INFO L225 Difference]: With dead ends: 5987 [2021-11-12 23:45:30,999 INFO L226 Difference]: Without dead ends: 4318 [2021-11-12 23:45:31,019 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 [2021-11-12 23:45:31,023 INFO L933 BasicCegarLoop]: 3049 mSDtfsCounter, 4048 mSDsluCounter, 5201 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5540.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4048 SdHoareTripleChecker+Valid, 8250 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.62ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6007.85ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:31,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4048 Valid, 8250 Invalid, 706 Unknown, 0 Unchecked, 60.62ms Time], IncrementalHoareTripleChecker [8 Valid, 697 Invalid, 1 Unknown, 0 Unchecked, 6007.85ms Time] [2021-11-12 23:45:31,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2021-11-12 23:45:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 4310. [2021-11-12 23:45:31,346 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) [2021-11-12 23:45:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 4310 states and 5958 transitions. [2021-11-12 23:45:31,388 INFO L78 Accepts]: Start accepts. Automaton has 4310 states and 5958 transitions. Word has length 170 [2021-11-12 23:45:31,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:31,389 INFO L470 AbstractCegarLoop]: Abstraction has 4310 states and 5958 transitions. [2021-11-12 23:45:31,390 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) [2021-11-12 23:45:31,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4310 states and 5958 transitions. [2021-11-12 23:45:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-12 23:45:31,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:31,410 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] [2021-11-12 23:45:31,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:31,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:31,634 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:45:31,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:31,635 INFO L85 PathProgramCache]: Analyzing trace with hash -526227326, now seen corresponding path program 1 times [2021-11-12 23:45:31,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:31,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282743148] [2021-11-12 23:45:31,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:31,640 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:31,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:31,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:31,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:45:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:34,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:34,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-12 23:45:34,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:35,566 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-11-12 23:45:35,566 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:35,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282743148] [2021-11-12 23:45:35,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282743148] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:35,567 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:35,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:45:35,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067379224] [2021-11-12 23:45:35,569 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:35,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:45:35,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:35,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:45:35,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:35,574 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) [2021-11-12 23:45:37,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:45:43,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:43,223 INFO L93 Difference]: Finished difference Result 14475 states and 19933 transitions. [2021-11-12 23:45:43,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:45:43,224 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 [2021-11-12 23:45:43,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:43,306 INFO L225 Difference]: With dead ends: 14475 [2021-11-12 23:45:43,306 INFO L226 Difference]: Without dead ends: 10188 [2021-11-12 23:45:43,325 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 [2021-11-12 23:45:43,326 INFO L933 BasicCegarLoop]: 2657 mSDtfsCounter, 4303 mSDsluCounter, 2873 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 482 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6493.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4303 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.63ms SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7091.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:43,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4303 Valid, 5530 Invalid, 1290 Unknown, 0 Unchecked, 34.63ms Time], IncrementalHoareTripleChecker [482 Valid, 807 Invalid, 1 Unknown, 0 Unchecked, 7091.20ms Time] [2021-11-12 23:45:43,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10188 states. [2021-11-12 23:45:43,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10188 to 10178. [2021-11-12 23:45:43,810 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) [2021-11-12 23:45:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10178 states to 10178 states and 13948 transitions. [2021-11-12 23:45:43,862 INFO L78 Accepts]: Start accepts. Automaton has 10178 states and 13948 transitions. Word has length 178 [2021-11-12 23:45:43,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:43,863 INFO L470 AbstractCegarLoop]: Abstraction has 10178 states and 13948 transitions. [2021-11-12 23:45:43,863 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) [2021-11-12 23:45:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 10178 states and 13948 transitions. [2021-11-12 23:45:43,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-12 23:45:43,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:43,926 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] [2021-11-12 23:45:43,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:44,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:44,134 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:45:44,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:44,135 INFO L85 PathProgramCache]: Analyzing trace with hash 378501349, now seen corresponding path program 1 times [2021-11-12 23:45:44,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:44,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194867623] [2021-11-12 23:45:44,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:44,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:44,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:44,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:44,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:45:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:46,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:46,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-12 23:45:47,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-12 23:45:47,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:47,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194867623] [2021-11-12 23:45:47,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194867623] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:47,705 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:47,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:45:47,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986290498] [2021-11-12 23:45:47,705 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:47,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:45:47,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:47,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:45:47,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:47,709 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) [2021-11-12 23:45:49,897 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 [] [2021-11-12 23:45:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:53,651 INFO L93 Difference]: Finished difference Result 36737 states and 50015 transitions. [2021-11-12 23:45:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:45:53,652 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 [2021-11-12 23:45:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:53,833 INFO L225 Difference]: With dead ends: 36737 [2021-11-12 23:45:53,833 INFO L226 Difference]: Without dead ends: 26582 [2021-11-12 23:45:53,878 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 [2021-11-12 23:45:53,880 INFO L933 BasicCegarLoop]: 2763 mSDtfsCounter, 3501 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4659.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 7516 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.49ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5022.22ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:53,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3501 Valid, 7516 Invalid, 654 Unknown, 0 Unchecked, 25.49ms Time], IncrementalHoareTripleChecker [15 Valid, 638 Invalid, 1 Unknown, 0 Unchecked, 5022.22ms Time] [2021-11-12 23:45:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26582 states. [2021-11-12 23:45:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26582 to 26562. [2021-11-12 23:45:55,299 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) [2021-11-12 23:45:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26562 states to 26562 states and 36036 transitions. [2021-11-12 23:45:55,399 INFO L78 Accepts]: Start accepts. Automaton has 26562 states and 36036 transitions. Word has length 187 [2021-11-12 23:45:55,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:55,400 INFO L470 AbstractCegarLoop]: Abstraction has 26562 states and 36036 transitions. [2021-11-12 23:45:55,401 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) [2021-11-12 23:45:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 26562 states and 36036 transitions. [2021-11-12 23:45:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-12 23:45:55,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:55,411 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] [2021-11-12 23:45:55,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-12 23:45:55,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:55,612 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:45:55,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash -866692107, now seen corresponding path program 1 times [2021-11-12 23:45:55,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:55,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232806142] [2021-11-12 23:45:55,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:55,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:55,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:55,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:55,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:45:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:58,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:58,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-12 23:45:58,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2021-11-12 23:45:59,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:59,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232806142] [2021-11-12 23:45:59,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232806142] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:59,103 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:59,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:45:59,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124424192] [2021-11-12 23:45:59,103 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:59,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:45:59,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:59,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:45:59,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:59,105 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) [2021-11-12 23:46:01,287 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 [] [2021-11-12 23:46:07,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:07,141 INFO L93 Difference]: Finished difference Result 105747 states and 143535 transitions. [2021-11-12 23:46:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:07,142 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 [2021-11-12 23:46:07,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:07,653 INFO L225 Difference]: With dead ends: 105747 [2021-11-12 23:46:07,653 INFO L226 Difference]: Without dead ends: 79208 [2021-11-12 23:46:07,766 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 [2021-11-12 23:46:07,769 INFO L933 BasicCegarLoop]: 3897 mSDtfsCounter, 5038 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 616 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5445.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 7318 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.82ms SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6007.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:07,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5038 Valid, 7318 Invalid, 1354 Unknown, 0 Unchecked, 22.82ms Time], IncrementalHoareTripleChecker [616 Valid, 737 Invalid, 1 Unknown, 0 Unchecked, 6007.01ms Time] [2021-11-12 23:46:07,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79208 states. [2021-11-12 23:46:11,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79208 to 79096. [2021-11-12 23:46:11,718 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) [2021-11-12 23:46:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79096 states to 79096 states and 107313 transitions. [2021-11-12 23:46:12,428 INFO L78 Accepts]: Start accepts. Automaton has 79096 states and 107313 transitions. Word has length 193 [2021-11-12 23:46:12,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:12,430 INFO L470 AbstractCegarLoop]: Abstraction has 79096 states and 107313 transitions. [2021-11-12 23:46:12,430 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) [2021-11-12 23:46:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 79096 states and 107313 transitions. [2021-11-12 23:46:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-12 23:46:12,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:12,455 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] [2021-11-12 23:46:12,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:12,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:12,670 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:46:12,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash 793690225, now seen corresponding path program 1 times [2021-11-12 23:46:12,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:12,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114212256] [2021-11-12 23:46:12,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:12,674 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:12,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:12,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:12,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:46:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:15,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:46:15,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-12 23:46:15,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-11-12 23:46:16,393 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:16,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114212256] [2021-11-12 23:46:16,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114212256] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:16,394 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:16,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:46:16,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787673231] [2021-11-12 23:46:16,394 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:16,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:46:16,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:46:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:46:16,396 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) [2021-11-12 23:46:18,584 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 [] [2021-11-12 23:46:27,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:27,025 INFO L93 Difference]: Finished difference Result 235577 states and 318915 transitions. [2021-11-12 23:46:27,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:27,026 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 [2021-11-12 23:46:27,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:27,793 INFO L225 Difference]: With dead ends: 235577 [2021-11-12 23:46:27,794 INFO L226 Difference]: Without dead ends: 156504 [2021-11-12 23:46:28,255 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 [2021-11-12 23:46:28,257 INFO L933 BasicCegarLoop]: 2683 mSDtfsCounter, 2790 mSDsluCounter, 3854 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4717.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 6537 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.60ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5274.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:28,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2790 Valid, 6537 Invalid, 734 Unknown, 0 Unchecked, 19.60ms Time], IncrementalHoareTripleChecker [12 Valid, 721 Invalid, 1 Unknown, 0 Unchecked, 5274.10ms Time] [2021-11-12 23:46:28,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156504 states. [2021-11-12 23:46:34,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156504 to 156500. [2021-11-12 23:46:34,696 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) [2021-11-12 23:46:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156500 states to 156500 states and 211547 transitions. [2021-11-12 23:46:35,479 INFO L78 Accepts]: Start accepts. Automaton has 156500 states and 211547 transitions. Word has length 213 [2021-11-12 23:46:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:35,480 INFO L470 AbstractCegarLoop]: Abstraction has 156500 states and 211547 transitions. [2021-11-12 23:46:35,480 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) [2021-11-12 23:46:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 156500 states and 211547 transitions. [2021-11-12 23:46:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-12 23:46:36,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:36,098 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] [2021-11-12 23:46:36,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:36,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:36,310 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:46:36,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:36,310 INFO L85 PathProgramCache]: Analyzing trace with hash -83255748, now seen corresponding path program 1 times [2021-11-12 23:46:36,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:36,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130548828] [2021-11-12 23:46:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:36,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:36,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:36,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbe2fe3-76b8-4d5f-8050-952ba0b83fed/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:46:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:38,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:46:38,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-12 23:46:39,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-11-12 23:46:40,208 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:40,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130548828] [2021-11-12 23:46:40,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130548828] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:40,209 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:40,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:46:40,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369967519] [2021-11-12 23:46:40,209 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:40,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:46:40,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:40,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:46:40,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:46:40,211 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) [2021-11-12 23:46:42,434 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 [] [2021-11-12 23:46:52,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:52,547 INFO L93 Difference]: Finished difference Result 420044 states and 569300 transitions. [2021-11-12 23:46:52,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:46:52,547 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 [2021-11-12 23:46:52,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:54,210 INFO L225 Difference]: With dead ends: 420044 [2021-11-12 23:46:54,210 INFO L226 Difference]: Without dead ends: 263567 [2021-11-12 23:46:54,593 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 [2021-11-12 23:46:54,594 INFO L933 BasicCegarLoop]: 2434 mSDtfsCounter, 1798 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2378.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 4465 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.86ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2450.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:54,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1798 Valid, 4465 Invalid, 68 Unknown, 0 Unchecked, 10.86ms Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 2450.05ms Time] [2021-11-12 23:46:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263567 states.