./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:36:21,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:36:21,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:36:21,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:36:21,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:36:21,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:36:21,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:36:21,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:36:21,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:36:21,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:36:21,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:36:21,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:36:21,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:36:21,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:36:21,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:36:21,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:36:21,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:36:21,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:36:21,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:36:21,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:36:21,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:36:21,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:36:21,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:36:21,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:36:21,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:36:21,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:36:21,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:36:21,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:36:21,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:36:21,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:36:21,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:36:21,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:36:21,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:36:21,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:36:21,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:36:21,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:36:21,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:36:21,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:36:21,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:36:21,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:36:21,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:36:21,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:36:21,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:36:21,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:36:21,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:36:21,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:36:21,929 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:36:21,929 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:36:21,930 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:36:21,930 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:36:21,936 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:36:21,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:36:21,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:36:21,937 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:36:21,938 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:36:21,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:36:21,938 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:36:21,938 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:36:21,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:36:21,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:36:21,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:36:21,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:36:21,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:36:21,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:36:21,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:36:21,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:36:21,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:36:21,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:36:21,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:36:21,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:36:21,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:21,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:36:21,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:36:21,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:36:21,944 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:36:21,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:36:21,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:36:21,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:36:21,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:36:21,945 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2021-11-12 23:36:22,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:36:22,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:36:22,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:36:22,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:36:22,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:36:22,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-12 23:36:22,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/a9d2304ea/91012d8a4a384fd48e4ffb12a2ff45c9/FLAGd3ecd3523 [2021-11-12 23:36:23,288 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:36:23,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-12 23:36:23,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/a9d2304ea/91012d8a4a384fd48e4ffb12a2ff45c9/FLAGd3ecd3523 [2021-11-12 23:36:23,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/a9d2304ea/91012d8a4a384fd48e4ffb12a2ff45c9 [2021-11-12 23:36:23,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:36:23,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:36:23,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:23,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:36:23,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:36:23,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:23" (1/1) ... [2021-11-12 23:36:23,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4fdd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:23, skipping insertion in model container [2021-11-12 23:36:23,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:23" (1/1) ... [2021-11-12 23:36:23,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:36:23,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:36:26,161 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 23:36:26,268 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 23:36:26,269 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 23:36:26,496 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 23:36:26,503 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 23:36:26,612 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 23:36:26,619 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 23:36:28,860 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-11-12 23:36:28,863 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-11-12 23:36:28,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:36:29,009 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 23:36:29,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1da2b26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:29, skipping insertion in model container [2021-11-12 23:36:29,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:29,010 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:36:29,013 INFO L158 Benchmark]: Toolchain (without parser) took 5386.91ms. Allocated memory was 104.9MB in the beginning and 178.3MB in the end (delta: 73.4MB). Free memory was 54.8MB in the beginning and 89.8MB in the end (delta: -35.1MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2021-11-12 23:36:29,013 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:36:29,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5384.75ms. Allocated memory was 104.9MB in the beginning and 178.3MB in the end (delta: 73.4MB). Free memory was 54.3MB in the beginning and 89.8MB in the end (delta: -35.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2021-11-12 23:36:29,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5384.75ms. Allocated memory was 104.9MB in the beginning and 178.3MB in the end (delta: 73.4MB). Free memory was 54.3MB in the beginning and 89.8MB in the end (delta: -35.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7455]: 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:36:31,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:36:31,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:36:31,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:36:31,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:36:31,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:36:31,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:36:31,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:36:31,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:36:31,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:36:31,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:36:31,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:36:31,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:36:31,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:36:31,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:36:31,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:36:31,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:36:31,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:36:31,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:36:31,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:36:31,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:36:31,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:36:31,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:36:31,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:36:31,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:36:31,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:36:31,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:36:31,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:36:31,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:36:31,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:36:31,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:36:31,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:36:31,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:36:31,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:36:31,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:36:31,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:36:31,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:36:31,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:36:31,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:36:31,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:36:31,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:36:31,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:36:31,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:36:31,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:36:31,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:36:31,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:36:31,382 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:36:31,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:36:31,383 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:36:31,383 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:36:31,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:36:31,384 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:36:31,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:36:31,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:36:31,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:36:31,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:36:31,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:36:31,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:36:31,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:36:31,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:36:31,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:36:31,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:36:31,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:36:31,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:36:31,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:36:31,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:36:31,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:31,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:36:31,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:36:31,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:36:31,394 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:36:31,394 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:36:31,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:36:31,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:36:31,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:36:31,395 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2021-11-12 23:36:31,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:36:31,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:36:31,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:36:31,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:36:31,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:36:31,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-12 23:36:31,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/b904b0795/432e771f6a944f1885774f2841161316/FLAG3de512bd0 [2021-11-12 23:36:33,120 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:36:33,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-12 23:36:33,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/b904b0795/432e771f6a944f1885774f2841161316/FLAG3de512bd0 [2021-11-12 23:36:33,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/data/b904b0795/432e771f6a944f1885774f2841161316 [2021-11-12 23:36:33,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:36:33,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:36:33,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:33,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:36:33,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:36:33,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:33" (1/1) ... [2021-11-12 23:36:33,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f7e6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:33, skipping insertion in model container [2021-11-12 23:36:33,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:33" (1/1) ... [2021-11-12 23:36:33,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:36:33,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:36:38,937 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-11-12 23:36:38,941 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-11-12 23:36:38,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:36:39,076 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:36:39,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:36:39,679 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-11-12 23:36:39,680 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-11-12 23:36:39,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:36:39,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:36:40,417 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2021-11-12 23:36:40,417 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_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2021-11-12 23:36:40,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:36:40,869 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:36:40,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40 WrapperNode [2021-11-12 23:36:40,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:40,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:36:40,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:36:40,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:36:40,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:36:41,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:36:41,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:36:41,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:36:41,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:36:41,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:36:41,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:36:41,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:36:41,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (1/1) ... [2021-11-12 23:36:41,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:36:41,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:36:41,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:36:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-12 23:36:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-12 23:36:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:36:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:36:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-12 23:36:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-12 23:36:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:36:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:36:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-12 23:36:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-12 23:36:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-12 23:36:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-12 23:36:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-12 23:36:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-12 23:36:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-12 23:36:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-12 23:36:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-12 23:36:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-12 23:36:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 23:36:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 23:36:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-12 23:36:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-12 23:36:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:36:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:36:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:36:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:36:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-12 23:36:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-12 23:36:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-12 23:36:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-12 23:36:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-12 23:36:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-12 23:36:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:36:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:36:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-12 23:36:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-12 23:36:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:36:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:36:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-12 23:36:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-12 23:36:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:36:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:36:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:36:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:36:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:36:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:36:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:36:41,975 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:36:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-12 23:36:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-12 23:36:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-12 23:36:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-12 23:36:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:36:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:36:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-12 23:36:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-12 23:36:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 23:36:41,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 23:36:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:36:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 23:36:41,979 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 23:36:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-12 23:36:41,979 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-12 23:36:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:36:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:36:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:36:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-12 23:36:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-12 23:36:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 23:36:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 23:36:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-12 23:36:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-12 23:36:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-12 23:36:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-12 23:36:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-12 23:36:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:36:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:36:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:36:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:36:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-11-12 23:36:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-11-12 23:36:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-12 23:36:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-12 23:36:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-12 23:36:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-12 23:36:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:36:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:36:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-12 23:36:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-12 23:36:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:36:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:36:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-12 23:36:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-12 23:36:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:36:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:36:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:36:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:36:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:36:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:36:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:36:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:36:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:36:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:36:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:36:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:36:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-12 23:36:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-12 23:36:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-12 23:36:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-12 23:36:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:36:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:36:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:36:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:36:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:36:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:36:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-12 23:36:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-12 23:36:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-12 23:36:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-12 23:36:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:36:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:36:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:36:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:36:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:36:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-12 23:36:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-12 23:36:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 23:36:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 23:36:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-12 23:36:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-12 23:36:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-12 23:36:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-12 23:36:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-12 23:36:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-12 23:36:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-12 23:36:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-12 23:36:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 23:36:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 23:36:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:36:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:36:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:36:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:36:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:36:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:36:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-12 23:36:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-12 23:36:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:36:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-12 23:36:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-12 23:36:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:36:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-12 23:36:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-12 23:36:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:36:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:36:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:36:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:36:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:36:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:36:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:36:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 23:36:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 23:36:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-11-12 23:36:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-11-12 23:36:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-12 23:36:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-12 23:36:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-12 23:36:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-12 23:36:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-12 23:36:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-12 23:36:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-12 23:36:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-12 23:36:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:36:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:36:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-12 23:36:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-12 23:36:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 23:36:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 23:36:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:36:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:36:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-12 23:36:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-12 23:36:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:36:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:36:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-12 23:36:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-12 23:36:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-12 23:36:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-12 23:36:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:36:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:36:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:36:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-12 23:36:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-12 23:36:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:36:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:36:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-12 23:36:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-12 23:36:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-12 23:36:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-12 23:36:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:36:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:36:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:36:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:36:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:36:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:36:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:36:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:36:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-12 23:36:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-12 23:36:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 23:36:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 23:36:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 23:36:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 23:36:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 23:36:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-12 23:36:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-12 23:36:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 23:36:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 23:36:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 23:36:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 23:36:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-12 23:36:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-12 23:36:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:36:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:36:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-12 23:36:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-12 23:36:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-12 23:36:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-12 23:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:36:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-12 23:36:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-12 23:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-12 23:36:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-12 23:36:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-12 23:36:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-12 23:36:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:36:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:36:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-12 23:36:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-12 23:36:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-12 23:36:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-12 23:36:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-12 23:36:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-12 23:36:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:36:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:36:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:36:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:36:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:36:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-12 23:36:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-12 23:36:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-12 23:36:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-12 23:36:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 23:36:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 23:36:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-12 23:36:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-12 23:36:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:36:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:36:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:36:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-12 23:36:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-12 23:36:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-11-12 23:36:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-11-12 23:36:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:36:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:36:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:36:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:36:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:36:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-12 23:36:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-12 23:36:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-12 23:36:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-12 23:36:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-12 23:36:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-12 23:36:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 23:36:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 23:36:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 23:36:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 23:36:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:36:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:36:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-12 23:36:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-12 23:36:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:36:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:36:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 23:36:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 23:36:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-12 23:36:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-12 23:36:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:36:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:36:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-12 23:36:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-12 23:36:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-11-12 23:36:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-11-12 23:36:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:36:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:36:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:36:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:36:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:36:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:36:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-12 23:36:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-12 23:36:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:36:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:36:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-12 23:36:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-12 23:36:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:36:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:36:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-12 23:36:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-12 23:36:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:36:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:36:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:36:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:36:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:36:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:36:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-11-12 23:36:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-11-12 23:36:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-12 23:36:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-12 23:36:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-12 23:36:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-12 23:36:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-12 23:36:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-12 23:36:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-12 23:36:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-12 23:36:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:36:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:36:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-12 23:36:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-12 23:36:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 23:36:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 23:36:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-12 23:36:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-12 23:36:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-12 23:36:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-12 23:36:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-12 23:36:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-12 23:36:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-12 23:36:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-12 23:36:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-12 23:36:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-12 23:36:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-12 23:36:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-12 23:36:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-12 23:36:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-12 23:36:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-12 23:36:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-12 23:36:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:36:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:36:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-12 23:36:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-12 23:36:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-12 23:36:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-12 23:36:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-12 23:36:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-12 23:36:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-12 23:36:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-12 23:36:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-12 23:36:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-12 23:36:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:36:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:36:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-12 23:36:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-12 23:36:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:36:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:36:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-11-12 23:36:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-11-12 23:36:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:36:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:36:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-12 23:36:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-12 23:36:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-12 23:36:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-12 23:36:43,301 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:37:29,259 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:37:29,926 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:37:29,927 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-12 23:37:29,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:29 BoogieIcfgContainer [2021-11-12 23:37:29,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:37:29,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:37:29,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:37:29,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:37:29,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:36:33" (1/3) ... [2021-11-12 23:37:29,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a314a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:29, skipping insertion in model container [2021-11-12 23:37:29,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:40" (2/3) ... [2021-11-12 23:37:29,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a314a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:29, skipping insertion in model container [2021-11-12 23:37:29,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:29" (3/3) ... [2021-11-12 23:37:29,942 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-12 23:37:29,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:37:29,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:37:30,012 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:37:30,019 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 23:37:30,019 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:37:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2021-11-12 23:37:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-12 23:37:30,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:30,146 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:30,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:30,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1793120373, now seen corresponding path program 1 times [2021-11-12 23:37:30,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:30,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703237095] [2021-11-12 23:37:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:30,190 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:30,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:30,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:30,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:37:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:34,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 3580 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:37:34,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-12 23:37:35,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-12 23:37:36,337 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:36,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703237095] [2021-11-12 23:37:36,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703237095] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:36,337 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:36,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:37:36,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754396325] [2021-11-12 23:37:36,340 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:36,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:36,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:36,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:36,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:36,381 INFO L87 Difference]: Start difference. First operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:37:38,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:37:50,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:50,562 INFO L93 Difference]: Finished difference Result 11295 states and 16016 transitions. [2021-11-12 23:37:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:37:50,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 228 [2021-11-12 23:37:50,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:50,648 INFO L225 Difference]: With dead ends: 11295 [2021-11-12 23:37:50,648 INFO L226 Difference]: Without dead ends: 8092 [2021-11-12 23:37:50,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:50,678 INFO L933 BasicCegarLoop]: 5708 mSDtfsCounter, 7746 mSDsluCounter, 6976 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12565.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7746 SdHoareTripleChecker+Valid, 12684 SdHoareTripleChecker+Invalid, 1825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 81.53ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13466.34ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:50,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7746 Valid, 12684 Invalid, 1825 Unknown, 0 Unchecked, 81.53ms Time], IncrementalHoareTripleChecker [45 Valid, 1779 Invalid, 1 Unknown, 0 Unchecked, 13466.34ms Time] [2021-11-12 23:37:50,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8092 states. [2021-11-12 23:37:51,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8092 to 8086. [2021-11-12 23:37:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8086 states, 5424 states have (on average 1.2555309734513274) internal successors, (6810), 5524 states have internal predecessors, (6810), 2192 states have call successors, (2192), 469 states have call predecessors, (2192), 469 states have return successors, (2192), 2161 states have call predecessors, (2192), 2192 states have call successors, (2192) [2021-11-12 23:37:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8086 states to 8086 states and 11194 transitions. [2021-11-12 23:37:51,285 INFO L78 Accepts]: Start accepts. Automaton has 8086 states and 11194 transitions. Word has length 228 [2021-11-12 23:37:51,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:51,286 INFO L470 AbstractCegarLoop]: Abstraction has 8086 states and 11194 transitions. [2021-11-12 23:37:51,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:37:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 8086 states and 11194 transitions. [2021-11-12 23:37:51,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-12 23:37:51,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:51,301 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:37:51,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:51,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:51,517 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:37:51,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:51,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1914200296, now seen corresponding path program 1 times [2021-11-12 23:37:51,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:51,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561404360] [2021-11-12 23:37:51,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:51,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:51,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:51,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:51,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:37:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:55,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 3581 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:37:55,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-12 23:37:56,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-12 23:37:57,311 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:57,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561404360] [2021-11-12 23:37:57,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561404360] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:57,311 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:57,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:37:57,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726167308] [2021-11-12 23:37:57,312 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:57,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:57,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:57,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:57,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:57,315 INFO L87 Difference]: Start difference. First operand 8086 states and 11194 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:37:59,684 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 23:38:12,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:12,742 INFO L93 Difference]: Finished difference Result 30005 states and 41497 transitions. [2021-11-12 23:38:12,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:38:12,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 229 [2021-11-12 23:38:12,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:12,951 INFO L225 Difference]: With dead ends: 30005 [2021-11-12 23:38:12,951 INFO L226 Difference]: Without dead ends: 21956 [2021-11-12 23:38:13,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 454 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 23:38:13,009 INFO L933 BasicCegarLoop]: 7076 mSDtfsCounter, 9471 mSDsluCounter, 6305 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 1247 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13289.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9471 SdHoareTripleChecker+Valid, 13381 SdHoareTripleChecker+Invalid, 3055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.77ms SdHoareTripleChecker+Time, 1247 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14591.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:13,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9471 Valid, 13381 Invalid, 3055 Unknown, 0 Unchecked, 54.77ms Time], IncrementalHoareTripleChecker [1247 Valid, 1807 Invalid, 1 Unknown, 0 Unchecked, 14591.88ms Time] [2021-11-12 23:38:13,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21956 states. [2021-11-12 23:38:14,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21956 to 21940. [2021-11-12 23:38:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21940 states, 14634 states have (on average 1.2505125051250512) internal successors, (18300), 14910 states have internal predecessors, (18300), 5976 states have call successors, (5976), 1329 states have call predecessors, (5976), 1329 states have return successors, (5976), 5891 states have call predecessors, (5976), 5976 states have call successors, (5976) [2021-11-12 23:38:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21940 states to 21940 states and 30252 transitions. [2021-11-12 23:38:14,490 INFO L78 Accepts]: Start accepts. Automaton has 21940 states and 30252 transitions. Word has length 229 [2021-11-12 23:38:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:38:14,494 INFO L470 AbstractCegarLoop]: Abstraction has 21940 states and 30252 transitions. [2021-11-12 23:38:14,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:38:14,495 INFO L276 IsEmpty]: Start isEmpty. Operand 21940 states and 30252 transitions. [2021-11-12 23:38:14,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-12 23:38:14,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:14,508 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:38:14,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:38:14,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:38:14,728 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:38:14,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:14,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1195803474, now seen corresponding path program 1 times [2021-11-12 23:38:14,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:14,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218113899] [2021-11-12 23:38:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:14,733 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:14,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:14,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:14,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:38:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:19,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 3635 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:38:19,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:38:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2021-11-12 23:38:19,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-11-12 23:38:20,521 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:38:20,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218113899] [2021-11-12 23:38:20,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218113899] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:38:20,521 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:38:20,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:38:20,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563612958] [2021-11-12 23:38:20,522 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:38:20,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:38:20,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:38:20,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:38:20,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:38:20,524 INFO L87 Difference]: Start difference. First operand 21940 states and 30252 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-12 23:38:22,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:38:24,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:24,323 INFO L93 Difference]: Finished difference Result 64774 states and 89306 transitions. [2021-11-12 23:38:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:38:24,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 256 [2021-11-12 23:38:24,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:24,552 INFO L225 Difference]: With dead ends: 64774 [2021-11-12 23:38:24,552 INFO L226 Difference]: Without dead ends: 42871 [2021-11-12 23:38:24,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 509 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 23:38:24,671 INFO L933 BasicCegarLoop]: 6267 mSDtfsCounter, 4026 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2528.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4026 SdHoareTripleChecker+Valid, 10425 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.19ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2608.63ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:24,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4026 Valid, 10425 Invalid, 62 Unknown, 0 Unchecked, 19.19ms Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 2608.63ms Time] [2021-11-12 23:38:24,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42871 states. [2021-11-12 23:38:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42871 to 42851. [2021-11-12 23:38:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42851 states, 28602 states have (on average 1.2487238654639536) internal successors, (35716), 29158 states have internal predecessors, (35716), 11641 states have call successors, (11641), 2607 states have call predecessors, (11641), 2607 states have return successors, (11641), 11466 states have call predecessors, (11641), 11641 states have call successors, (11641) [2021-11-12 23:38:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42851 states to 42851 states and 58998 transitions. [2021-11-12 23:38:27,508 INFO L78 Accepts]: Start accepts. Automaton has 42851 states and 58998 transitions. Word has length 256 [2021-11-12 23:38:27,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:38:27,509 INFO L470 AbstractCegarLoop]: Abstraction has 42851 states and 58998 transitions. [2021-11-12 23:38:27,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-12 23:38:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 42851 states and 58998 transitions. [2021-11-12 23:38:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-12 23:38:27,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:27,527 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:38:27,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:38:27,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:38:27,745 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:38:27,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:27,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1044379485, now seen corresponding path program 1 times [2021-11-12 23:38:27,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:27,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762853214] [2021-11-12 23:38:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:27,750 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:27,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:27,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:27,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:38:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:32,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 3663 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:38:32,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:38:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2021-11-12 23:38:33,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2021-11-12 23:38:33,783 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:38:33,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762853214] [2021-11-12 23:38:33,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762853214] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:38:33,784 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:38:33,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:38:33,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498970658] [2021-11-12 23:38:33,784 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:38:33,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:38:33,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:38:33,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:38:33,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:38:33,786 INFO L87 Difference]: Start difference. First operand 42851 states and 58998 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-12 23:38:36,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:38:47,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:47,660 INFO L93 Difference]: Finished difference Result 129613 states and 178279 transitions. [2021-11-12 23:38:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:38:47,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 276 [2021-11-12 23:38:47,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:48,318 INFO L225 Difference]: With dead ends: 129613 [2021-11-12 23:38:48,318 INFO L226 Difference]: Without dead ends: 86799 [2021-11-12 23:38:48,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 548 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 23:38:48,483 INFO L933 BasicCegarLoop]: 5882 mSDtfsCounter, 6300 mSDsluCounter, 7506 mSDsCounter, 0 mSdLazyCounter, 1643 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10526.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6300 SdHoareTripleChecker+Valid, 13388 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.47ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1643 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11329.68ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:48,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6300 Valid, 13388 Invalid, 1656 Unknown, 0 Unchecked, 35.47ms Time], IncrementalHoareTripleChecker [12 Valid, 1643 Invalid, 1 Unknown, 0 Unchecked, 11329.68ms Time] [2021-11-12 23:38:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86799 states. [2021-11-12 23:38:53,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86799 to 86795. [2021-11-12 23:38:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86795 states, 57960 states have (on average 1.2482056590752242) internal successors, (72346), 59061 states have internal predecessors, (72346), 23482 states have call successors, (23482), 5352 states have call predecessors, (23482), 5352 states have return successors, (23482), 23159 states have call predecessors, (23482), 23482 states have call successors, (23482) [2021-11-12 23:38:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86795 states to 86795 states and 119310 transitions. [2021-11-12 23:38:54,490 INFO L78 Accepts]: Start accepts. Automaton has 86795 states and 119310 transitions. Word has length 276 [2021-11-12 23:38:54,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:38:54,491 INFO L470 AbstractCegarLoop]: Abstraction has 86795 states and 119310 transitions. [2021-11-12 23:38:54,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-12 23:38:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 86795 states and 119310 transitions. [2021-11-12 23:38:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-12 23:38:54,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:54,511 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:38:54,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:38:54,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:38:54,731 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:38:54,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:54,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1830816068, now seen corresponding path program 1 times [2021-11-12 23:38:54,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:54,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036008717] [2021-11-12 23:38:54,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:54,738 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:54,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:54,739 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:38:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:59,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 3723 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:38:59,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2021-11-12 23:39:00,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-11-12 23:39:00,866 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:00,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036008717] [2021-11-12 23:39:00,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036008717] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:00,866 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:00,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:39:00,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210390845] [2021-11-12 23:39:00,867 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:00,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:39:00,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:00,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:39:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:39:00,868 INFO L87 Difference]: Start difference. First operand 86795 states and 119310 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-12 23:39:03,216 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 23:39:20,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:20,156 INFO L93 Difference]: Finished difference Result 248563 states and 341471 transitions. [2021-11-12 23:39:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:20,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 293 [2021-11-12 23:39:20,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:21,201 INFO L225 Difference]: With dead ends: 248563 [2021-11-12 23:39:21,201 INFO L226 Difference]: Without dead ends: 163393 [2021-11-12 23:39:21,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 582 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 23:39:21,539 INFO L933 BasicCegarLoop]: 7553 mSDtfsCounter, 8378 mSDsluCounter, 5964 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 974 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12439.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8378 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 2739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.30ms SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13573.57ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:21,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8378 Valid, 13517 Invalid, 2739 Unknown, 0 Unchecked, 39.30ms Time], IncrementalHoareTripleChecker [974 Valid, 1764 Invalid, 1 Unknown, 0 Unchecked, 13573.57ms Time] [2021-11-12 23:39:21,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163393 states. [2021-11-12 23:39:28,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163393 to 163377. [2021-11-12 23:39:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163377 states, 109200 states have (on average 1.2473443223443224) internal successors, (136210), 111217 states have internal predecessors, (136210), 43988 states have call successors, (43988), 10188 states have call predecessors, (43988), 10188 states have return successors, (43988), 43405 states have call predecessors, (43988), 43988 states have call successors, (43988) [2021-11-12 23:39:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163377 states to 163377 states and 224186 transitions. [2021-11-12 23:39:30,687 INFO L78 Accepts]: Start accepts. Automaton has 163377 states and 224186 transitions. Word has length 293 [2021-11-12 23:39:30,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:30,688 INFO L470 AbstractCegarLoop]: Abstraction has 163377 states and 224186 transitions. [2021-11-12 23:39:30,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-12 23:39:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 163377 states and 224186 transitions. [2021-11-12 23:39:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-12 23:39:30,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:30,735 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:30,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:30,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:30,949 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1266332566, now seen corresponding path program 1 times [2021-11-12 23:39:30,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:30,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127985526] [2021-11-12 23:39:30,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:30,954 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:30,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:30,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:30,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:39:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:35,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 3824 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:39:35,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 384 proven. 3 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2021-11-12 23:39:37,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2021-11-12 23:39:40,695 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:40,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127985526] [2021-11-12 23:39:40,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127985526] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:39:40,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1380568254] [2021-11-12 23:39:40,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:40,696 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:39:40,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:39:40,697 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:39:40,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0015af-55f7-475a-a35a-7dc3d6cdcb8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 23:39:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:43,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 3824 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:39:43,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2021-11-12 23:39:44,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2021-11-12 23:39:45,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1380568254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:45,027 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:39:45,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17, 17] total 23 [2021-11-12 23:39:45,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18470195] [2021-11-12 23:39:45,028 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:45,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:39:45,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:45,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:39:45,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:39:45,030 INFO L87 Difference]: Start difference. First operand 163377 states and 224186 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-12 23:39:47,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:39:56,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:56,724 INFO L93 Difference]: Finished difference Result 403512 states and 553901 transitions. [2021-11-12 23:39:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:39:56,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 356 [2021-11-12 23:39:56,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:57,919 INFO L225 Difference]: With dead ends: 403512 [2021-11-12 23:39:57,919 INFO L226 Difference]: Without dead ends: 241760 [2021-11-12 23:39:58,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1420 GetRequests, 1399 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:39:58,363 INFO L933 BasicCegarLoop]: 8239 mSDtfsCounter, 4025 mSDsluCounter, 4155 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2616.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4025 SdHoareTripleChecker+Valid, 12394 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.34ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2700.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:58,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4025 Valid, 12394 Invalid, 60 Unknown, 0 Unchecked, 20.34ms Time], IncrementalHoareTripleChecker [9 Valid, 50 Invalid, 1 Unknown, 0 Unchecked, 2700.50ms Time] [2021-11-12 23:39:58,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241760 states.