./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-renesas-sh_eth.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_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/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_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/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_8d7811c8-e434-4005-b855-5a096213d6c8/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 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:43:00,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:43:00,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:43:00,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:43:00,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:43:00,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:43:00,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:43:00,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:43:00,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:43:00,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:43:00,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:43:00,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:43:00,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:43:00,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:43:00,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:43:00,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:43:00,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:43:00,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:43:00,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:43:00,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:43:00,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:43:00,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:43:00,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:43:00,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:43:01,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:43:01,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:43:01,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:43:01,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:43:01,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:43:01,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:43:01,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:43:01,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:43:01,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:43:01,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:43:01,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:43:01,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:43:01,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:43:01,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:43:01,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:43:01,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:43:01,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:43:01,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 01:43:01,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:43:01,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:43:01,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:43:01,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:43:01,060 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:43:01,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:43:01,061 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:43:01,061 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:43:01,062 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:43:01,062 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:43:01,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:43:01,062 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:43:01,063 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:43:01,063 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:43:01,063 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:43:01,063 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:43:01,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:43:01,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:43:01,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:43:01,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:43:01,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:43:01,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:43:01,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:43:01,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:43:01,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:43:01,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:43:01,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:43:01,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:43:01,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:43:01,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:43:01,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:43:01,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:43:01,068 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:43:01,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:43:01,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:43:01,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:43:01,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:43:01,070 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_8d7811c8-e434-4005-b855-5a096213d6c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2021-11-13 01:43:01,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:43:01,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:43:01,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:43:01,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:43:01,347 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:43:01,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:43:01,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/bffb426c5/b53668a004f04d7f882c87a54401afb1/FLAGab8902670 [2021-11-13 01:43:02,558 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:43:02,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:43:02,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/bffb426c5/b53668a004f04d7f882c87a54401afb1/FLAGab8902670 [2021-11-13 01:43:02,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/bffb426c5/b53668a004f04d7f882c87a54401afb1 [2021-11-13 01:43:02,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:43:02,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:43:02,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:02,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:43:02,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:43:02,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:02" (1/1) ... [2021-11-13 01:43:02,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201399b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:02, skipping insertion in model container [2021-11-13 01:43:02,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:02" (1/1) ... [2021-11-13 01:43:02,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:43:03,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:43:05,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:43:05,410 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:43:05,421 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:43:05,430 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:43:05,598 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:43:05,865 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:43:05,867 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:43:08,078 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_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-13 01:43:08,081 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_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-13 01:43:08,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:43:08,268 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) [2021-11-13 01:43:08,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28caf74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:08, skipping insertion in model container [2021-11-13 01:43:08,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:08,269 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:43:08,271 INFO L158 Benchmark]: Toolchain (without parser) took 5397.88ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 66.4MB in the beginning and 84.5MB in the end (delta: -18.1MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2021-11-13 01:43:08,272 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:43:08,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5395.66ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 66.1MB in the beginning and 84.5MB in the end (delta: -18.4MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2021-11-13 01:43:08,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5395.66ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 66.1MB in the beginning and 84.5MB in the end (delta: -18.4MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6318]: 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_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/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_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/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_8d7811c8-e434-4005-b855-5a096213d6c8/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 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:43:10,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:43:10,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:43:10,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:43:10,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:43:10,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:43:10,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:43:10,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:43:10,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:43:10,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:43:10,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:43:10,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:43:10,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:43:10,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:43:10,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:43:10,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:43:10,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:43:10,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:43:10,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:43:10,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:43:10,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:43:10,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:43:10,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:43:10,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:43:10,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:43:10,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:43:10,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:43:10,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:43:10,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:43:10,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:43:10,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:43:10,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:43:10,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:43:10,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:43:10,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:43:10,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:43:10,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:43:10,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:43:10,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:43:10,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:43:10,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:43:10,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 01:43:10,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:43:10,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:43:10,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:43:10,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:43:10,730 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:43:10,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:43:10,731 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:43:10,731 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:43:10,731 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:43:10,731 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:43:10,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:43:10,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:43:10,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:43:10,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:43:10,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:43:10,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:43:10,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:43:10,735 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:43:10,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:43:10,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:43:10,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:43:10,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:43:10,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:43:10,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:43:10,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:43:10,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:43:10,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:43:10,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:43:10,738 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:43:10,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:43:10,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:43:10,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:43:10,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:43:10,740 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_8d7811c8-e434-4005-b855-5a096213d6c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2021-11-13 01:43:11,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:43:11,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:43:11,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:43:11,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:43:11,165 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:43:11,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:43:11,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/4a7b2765a/e53ef168a39b431bba2d4bf656e8eb0f/FLAG41bad0856 [2021-11-13 01:43:12,436 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:43:12,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:43:12,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/4a7b2765a/e53ef168a39b431bba2d4bf656e8eb0f/FLAG41bad0856 [2021-11-13 01:43:12,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/data/4a7b2765a/e53ef168a39b431bba2d4bf656e8eb0f [2021-11-13 01:43:12,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:43:12,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:43:12,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:12,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:43:12,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:43:12,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:12" (1/1) ... [2021-11-13 01:43:12,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58222858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:12, skipping insertion in model container [2021-11-13 01:43:12,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:12" (1/1) ... [2021-11-13 01:43:12,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:43:12,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:43:18,747 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_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-13 01:43:18,750 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-13 01:43:18,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:43:18,933 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:43:19,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:43:19,456 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_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-13 01:43:19,457 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_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-13 01:43:19,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:43:19,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:43:20,201 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_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-13 01:43:20,202 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_8d7811c8-e434-4005-b855-5a096213d6c8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-13 01:43:20,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:43:20,712 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:43:20,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20 WrapperNode [2021-11-13 01:43:20,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:20,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:43:20,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:43:20,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:43:20,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:20,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:43:21,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:43:21,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:43:21,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:43:21,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:43:21,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:43:21,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:43:21,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:43:21,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (1/1) ... [2021-11-13 01:43:21,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:43:21,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:43:21,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:43:21,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:43:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 01:43:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 01:43:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 01:43:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 01:43:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2021-11-13 01:43:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2021-11-13 01:43:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2021-11-13 01:43:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2021-11-13 01:43:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 01:43:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 01:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-13 01:43:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-13 01:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2021-11-13 01:43:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2021-11-13 01:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2021-11-13 01:43:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2021-11-13 01:43:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 01:43:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 01:43:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2021-11-13 01:43:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2021-11-13 01:43:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2021-11-13 01:43:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2021-11-13 01:43:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-13 01:43:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-13 01:43:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 01:43:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 01:43:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2021-11-13 01:43:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2021-11-13 01:43:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-13 01:43:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-13 01:43:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 01:43:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 01:43:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 01:43:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 01:43:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2021-11-13 01:43:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2021-11-13 01:43:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-13 01:43:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-13 01:43:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2021-11-13 01:43:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2021-11-13 01:43:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2021-11-13 01:43:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2021-11-13 01:43:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2021-11-13 01:43:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2021-11-13 01:43:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-13 01:43:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-13 01:43:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-13 01:43:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-13 01:43:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 01:43:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 01:43:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-13 01:43:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-13 01:43:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 01:43:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 01:43:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 01:43:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 01:43:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-13 01:43:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-13 01:43:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-13 01:43:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-13 01:43:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:43:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 01:43:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2021-11-13 01:43:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2021-11-13 01:43:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2021-11-13 01:43:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2021-11-13 01:43:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:43:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 01:43:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 01:43:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-13 01:43:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-13 01:43:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 01:43:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 01:43:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 01:43:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 01:43:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2021-11-13 01:43:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2021-11-13 01:43:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 01:43:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 01:43:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-13 01:43:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-13 01:43:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2021-11-13 01:43:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2021-11-13 01:43:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2021-11-13 01:43:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2021-11-13 01:43:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 01:43:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 01:43:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2021-11-13 01:43:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2021-11-13 01:43:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 01:43:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 01:43:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2021-11-13 01:43:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2021-11-13 01:43:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 01:43:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 01:43:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2021-11-13 01:43:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2021-11-13 01:43:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 01:43:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 01:43:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 01:43:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 01:43:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2021-11-13 01:43:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2021-11-13 01:43:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2021-11-13 01:43:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2021-11-13 01:43:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 01:43:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 01:43:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2021-11-13 01:43:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2021-11-13 01:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2021-11-13 01:43:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2021-11-13 01:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-13 01:43:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-13 01:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 01:43:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 01:43:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 01:43:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 01:43:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 01:43:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 01:43:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-13 01:43:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-13 01:43:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 01:43:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 01:43:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2021-11-13 01:43:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2021-11-13 01:43:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 01:43:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 01:43:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 01:43:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 01:43:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:43:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 01:43:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 01:43:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 01:43:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 01:43:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 01:43:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 01:43:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 01:43:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 01:43:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 01:43:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 01:43:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2021-11-13 01:43:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2021-11-13 01:43:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-13 01:43:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-13 01:43:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2021-11-13 01:43:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2021-11-13 01:43:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-13 01:43:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-13 01:43:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-13 01:43:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-13 01:43:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-13 01:43:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-13 01:43:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 01:43:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 01:43:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 01:43:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 01:43:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 01:43:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 01:43:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 01:43:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2021-11-13 01:43:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2021-11-13 01:43:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:43:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:43:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2021-11-13 01:43:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2021-11-13 01:43:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 01:43:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 01:43:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 01:43:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2021-11-13 01:43:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2021-11-13 01:43:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-13 01:43:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-13 01:43:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 01:43:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:43:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 01:43:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 01:43:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 01:43:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 01:43:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 01:43:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2021-11-13 01:43:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2021-11-13 01:43:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2021-11-13 01:43:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2021-11-13 01:43:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 01:43:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2021-11-13 01:43:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2021-11-13 01:43:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2021-11-13 01:43:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2021-11-13 01:43:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-13 01:43:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-13 01:43:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 01:43:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 01:43:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-13 01:43:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-13 01:43:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2021-11-13 01:43:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2021-11-13 01:43:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 01:43:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 01:43:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2021-11-13 01:43:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2021-11-13 01:43:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2021-11-13 01:43:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2021-11-13 01:43:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 01:43:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 01:43:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2021-11-13 01:43:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2021-11-13 01:43:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 01:43:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 01:43:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:43:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 01:43:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 01:43:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:43:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 01:43:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 01:43:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 01:43:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2021-11-13 01:43:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2021-11-13 01:43:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-13 01:43:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-13 01:43:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:43:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 01:43:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2021-11-13 01:43:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2021-11-13 01:43:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 01:43:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 01:43:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2021-11-13 01:43:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2021-11-13 01:43:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 01:43:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 01:43:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2021-11-13 01:43:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2021-11-13 01:43:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 01:43:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 01:43:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-13 01:43:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-13 01:43:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2021-11-13 01:43:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2021-11-13 01:43:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2021-11-13 01:43:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2021-11-13 01:43:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2021-11-13 01:43:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2021-11-13 01:43:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2021-11-13 01:43:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2021-11-13 01:43:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-13 01:43:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-13 01:43:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 01:43:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 01:43:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2021-11-13 01:43:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2021-11-13 01:43:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 01:43:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 01:43:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2021-11-13 01:43:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2021-11-13 01:43:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 01:43:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 01:43:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2021-11-13 01:43:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2021-11-13 01:43:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2021-11-13 01:43:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2021-11-13 01:43:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2021-11-13 01:43:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2021-11-13 01:43:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2021-11-13 01:43:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2021-11-13 01:43:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:43:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:43:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 01:43:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 01:43:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2021-11-13 01:43:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2021-11-13 01:43:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2021-11-13 01:43:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2021-11-13 01:43:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 01:43:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 01:43:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-13 01:43:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-13 01:43:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-13 01:43:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-13 01:43:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2021-11-13 01:43:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2021-11-13 01:43:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2021-11-13 01:43:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2021-11-13 01:43:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2021-11-13 01:43:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2021-11-13 01:43:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 01:43:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 01:43:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 01:43:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 01:43:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-13 01:43:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-13 01:43:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 01:43:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 01:43:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2021-11-13 01:43:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2021-11-13 01:43:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 01:43:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 01:43:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-13 01:43:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-13 01:43:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-13 01:43:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-13 01:43:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 01:43:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 01:43:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2021-11-13 01:43:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2021-11-13 01:43:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-13 01:43:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-13 01:43:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2021-11-13 01:43:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2021-11-13 01:43:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2021-11-13 01:43:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2021-11-13 01:43:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 01:43:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 01:43:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 01:43:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 01:43:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-13 01:43:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-13 01:43:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2021-11-13 01:43:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2021-11-13 01:43:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 01:43:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 01:43:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-13 01:43:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-13 01:43:28,514 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 01:46:59,405 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 01:46:59,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:46:59,534 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-13 01:46:59,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:59 BoogieIcfgContainer [2021-11-13 01:46:59,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:46:59,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:46:59,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:46:59,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:46:59,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:43:12" (1/3) ... [2021-11-13 01:46:59,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e30349f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:59, skipping insertion in model container [2021-11-13 01:46:59,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:20" (2/3) ... [2021-11-13 01:46:59,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e30349f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:59, skipping insertion in model container [2021-11-13 01:46:59,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:59" (3/3) ... [2021-11-13 01:46:59,553 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:46:59,560 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:46:59,560 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:46:59,642 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:46:59,649 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 [2021-11-13 01:46:59,650 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:46:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 3388 states, 2358 states have (on average 1.285835453774385) internal successors, (3032), 2422 states have internal predecessors, (3032), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) [2021-11-13 01:46:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-13 01:46:59,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:59,837 INFO L514 BasicCegarLoop]: trace histogram [54, 54, 52, 52, 52, 52, 52, 52, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:46:59,838 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:46:59,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:59,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2136014456, now seen corresponding path program 1 times [2021-11-13 01:46:59,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:46:59,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562640168] [2021-11-13 01:46:59,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:59,875 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:46:59,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:46:59,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:46:59,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:47:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:47:12,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 6204 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 01:47:13,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:47:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-13 01:47:14,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:47:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12252 trivial. 0 not checked. [2021-11-13 01:47:16,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:47:16,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562640168] [2021-11-13 01:47:16,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562640168] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:47:16,350 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:47:16,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 01:47:16,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280849626] [2021-11-13 01:47:16,355 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:47:16,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:47:16,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:47:16,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:47:16,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:47:16,432 INFO L87 Difference]: Start difference. First operand has 3388 states, 2358 states have (on average 1.285835453774385) internal successors, (3032), 2422 states have internal predecessors, (3032), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) Second operand has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-13 01:47:16,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:47:16,776 INFO L93 Difference]: Finished difference Result 6611 states and 9474 transitions. [2021-11-13 01:47:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:47:16,787 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 680 [2021-11-13 01:47:16,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:47:16,877 INFO L225 Difference]: With dead ends: 6611 [2021-11-13 01:47:16,878 INFO L226 Difference]: Without dead ends: 3294 [2021-11-13 01:47:16,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1358 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:47:16,925 INFO L933 BasicCegarLoop]: 4712 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4712 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 01:47:16,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 4712 Invalid, 0 Unknown, 0 Unchecked, 25.76ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 01:47:16,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-11-13 01:47:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-11-13 01:47:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 2298 states have (on average 1.2745865970409052) internal successors, (2929), 2353 states have internal predecessors, (2929), 853 states have call successors, (853), 142 states have call predecessors, (853), 142 states have return successors, (853), 827 states have call predecessors, (853), 853 states have call successors, (853) [2021-11-13 01:47:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4635 transitions. [2021-11-13 01:47:17,306 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4635 transitions. Word has length 680 [2021-11-13 01:47:17,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:47:17,315 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 4635 transitions. [2021-11-13 01:47:17,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-13 01:47:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4635 transitions. [2021-11-13 01:47:17,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-13 01:47:17,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:47:17,381 INFO L514 BasicCegarLoop]: trace histogram [54, 54, 52, 52, 52, 52, 52, 52, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:47:17,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 01:47:17,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:47:17,608 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:47:17,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:47:17,609 INFO L85 PathProgramCache]: Analyzing trace with hash -230680138, now seen corresponding path program 1 times [2021-11-13 01:47:17,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:47:17,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707379622] [2021-11-13 01:47:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:47:17,625 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:47:17,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:47:17,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:47:17,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:47:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:47:30,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 6204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:47:30,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:47:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 11937 trivial. 0 not checked. [2021-11-13 01:47:31,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:47:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12252 trivial. 0 not checked. [2021-11-13 01:47:33,725 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:47:33,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707379622] [2021-11-13 01:47:33,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707379622] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:47:33,726 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:47:33,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:47:33,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582147478] [2021-11-13 01:47:33,727 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:47:33,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:47:33,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:47:33,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:47:33,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:47:33,737 INFO L87 Difference]: Start difference. First operand 3294 states and 4635 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-13 01:47:36,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:47:47,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:47:47,289 INFO L93 Difference]: Finished difference Result 12448 states and 17498 transitions. [2021-11-13 01:47:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:47:47,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) Word has length 680 [2021-11-13 01:47:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:47:47,388 INFO L225 Difference]: With dead ends: 12448 [2021-11-13 01:47:47,388 INFO L226 Difference]: Without dead ends: 9263 [2021-11-13 01:47:47,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1356 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:47:47,416 INFO L933 BasicCegarLoop]: 6724 mSDtfsCounter, 8724 mSDsluCounter, 8622 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11686.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8724 SdHoareTripleChecker+Valid, 15346 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 89.32ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12850.37ms IncrementalHoareTripleChecker+Time [2021-11-13 01:47:47,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8724 Valid, 15346 Invalid, 1925 Unknown, 0 Unchecked, 89.32ms Time], IncrementalHoareTripleChecker [64 Valid, 1860 Invalid, 1 Unknown, 0 Unchecked, 12850.37ms Time] [2021-11-13 01:47:47,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9263 states. [2021-11-13 01:47:47,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9263 to 9255. [2021-11-13 01:47:47,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9255 states, 6449 states have (on average 1.2749263451697939) internal successors, (8222), 6618 states have internal predecessors, (8222), 2383 states have call successors, (2383), 422 states have call predecessors, (2383), 422 states have return successors, (2383), 2301 states have call predecessors, (2383), 2383 states have call successors, (2383) [2021-11-13 01:47:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9255 states to 9255 states and 12988 transitions. [2021-11-13 01:47:48,000 INFO L78 Accepts]: Start accepts. Automaton has 9255 states and 12988 transitions. Word has length 680 [2021-11-13 01:47:48,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:47:48,002 INFO L470 AbstractCegarLoop]: Abstraction has 9255 states and 12988 transitions. [2021-11-13 01:47:48,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 4 states have call predecessors, (75), 4 states have call successors, (75) [2021-11-13 01:47:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 9255 states and 12988 transitions. [2021-11-13 01:47:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2021-11-13 01:47:48,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:47:48,070 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:47:48,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:47:48,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:47:48,290 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:47:48,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:47:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash 557770280, now seen corresponding path program 1 times [2021-11-13 01:47:48,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:47:48,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79084372] [2021-11-13 01:47:48,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:47:48,301 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:47:48,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:47:48,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:47:48,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:47:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:00,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 6094 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:48:00,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-13 01:48:01,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-13 01:48:03,229 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:48:03,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79084372] [2021-11-13 01:48:03,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79084372] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:48:03,230 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:48:03,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:48:03,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062607088] [2021-11-13 01:48:03,230 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:48:03,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:48:03,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:48:03,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:48:03,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:48:03,233 INFO L87 Difference]: Start difference. First operand 9255 states and 12988 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:48:05,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:48:07,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:07,151 INFO L93 Difference]: Finished difference Result 27169 states and 38160 transitions. [2021-11-13 01:48:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:48:07,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 695 [2021-11-13 01:48:07,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:07,321 INFO L225 Difference]: With dead ends: 27169 [2021-11-13 01:48:07,321 INFO L226 Difference]: Without dead ends: 18023 [2021-11-13 01:48:07,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1388 GetRequests, 1387 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:48:07,382 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4299 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2970.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4299 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.54ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3100.99ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:07,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4299 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 28.54ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3100.99ms Time] [2021-11-13 01:48:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18023 states. [2021-11-13 01:48:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18023 to 18015. [2021-11-13 01:48:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 12549 states have (on average 1.275639493186708) internal successors, (16008), 12887 states have internal predecessors, (16008), 4621 states have call successors, (4621), 844 states have call predecessors, (4621), 844 states have return successors, (4682), 4457 states have call predecessors, (4682), 4621 states have call successors, (4682) [2021-11-13 01:48:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 25311 transitions. [2021-11-13 01:48:08,501 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 25311 transitions. Word has length 695 [2021-11-13 01:48:08,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:08,504 INFO L470 AbstractCegarLoop]: Abstraction has 18015 states and 25311 transitions. [2021-11-13 01:48:08,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:48:08,506 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 25311 transitions. [2021-11-13 01:48:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-11-13 01:48:08,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:08,577 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:08,791 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-13 01:48:08,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:08,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:48:08,804 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:48:08,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:08,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1778054950, now seen corresponding path program 1 times [2021-11-13 01:48:08,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:48:08,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303491902] [2021-11-13 01:48:08,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:08,816 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:48:08,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:48:08,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:48:08,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:48:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:20,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 6097 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:48:21,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-13 01:48:22,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-13 01:48:23,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:48:23,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303491902] [2021-11-13 01:48:23,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303491902] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:48:23,947 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:48:23,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:48:23,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743016055] [2021-11-13 01:48:23,948 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:48:23,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:48:23,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:48:23,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:48:23,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:48:23,951 INFO L87 Difference]: Start difference. First operand 18015 states and 25311 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:48:26,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:48:28,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:28,234 INFO L93 Difference]: Finished difference Result 53071 states and 74697 transitions. [2021-11-13 01:48:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:48:28,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 698 [2021-11-13 01:48:28,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:28,465 INFO L225 Difference]: With dead ends: 53071 [2021-11-13 01:48:28,466 INFO L226 Difference]: Without dead ends: 35165 [2021-11-13 01:48:28,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1394 GetRequests, 1393 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:48:28,856 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4296 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3029.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4296 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.22ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3161.57ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:28,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4296 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 29.22ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3161.57ms Time] [2021-11-13 01:48:28,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35165 states. [2021-11-13 01:48:30,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35165 to 35151. [2021-11-13 01:48:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35151 states, 24458 states have (on average 1.2757379998364544) internal successors, (31202), 25134 states have internal predecessors, (31202), 9004 states have call successors, (9004), 1688 states have call predecessors, (9004), 1688 states have return successors, (9298), 8676 states have call predecessors, (9298), 9004 states have call successors, (9298) [2021-11-13 01:48:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35151 states to 35151 states and 49504 transitions. [2021-11-13 01:48:30,890 INFO L78 Accepts]: Start accepts. Automaton has 35151 states and 49504 transitions. Word has length 698 [2021-11-13 01:48:30,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:30,891 INFO L470 AbstractCegarLoop]: Abstraction has 35151 states and 49504 transitions. [2021-11-13 01:48:30,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:48:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 35151 states and 49504 transitions. [2021-11-13 01:48:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-11-13 01:48:30,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:30,935 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:31,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:31,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:48:31,152 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:48:31,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:31,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1326891833, now seen corresponding path program 1 times [2021-11-13 01:48:31,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:48:31,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237889845] [2021-11-13 01:48:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:31,160 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:48:31,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:48:31,161 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:48:31,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:48:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:43,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 6096 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:48:43,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-13 01:48:44,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-13 01:48:46,441 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:48:46,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237889845] [2021-11-13 01:48:46,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237889845] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:48:46,442 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:48:46,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:48:46,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902066861] [2021-11-13 01:48:46,443 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:48:46,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:48:46,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:48:46,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:48:46,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:48:46,445 INFO L87 Difference]: Start difference. First operand 35151 states and 49504 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:48:49,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:48:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:51,659 INFO L93 Difference]: Finished difference Result 103723 states and 146462 transitions. [2021-11-13 01:48:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:48:51,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 697 [2021-11-13 01:48:51,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:52,078 INFO L225 Difference]: With dead ends: 103723 [2021-11-13 01:48:52,078 INFO L226 Difference]: Without dead ends: 68681 [2021-11-13 01:48:52,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1392 GetRequests, 1391 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:48:52,244 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4297 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3060.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.64ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3181.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:52,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4297 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 25.64ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3181.87ms Time] [2021-11-13 01:48:52,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68681 states. [2021-11-13 01:48:55,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68681 to 68655. [2021-11-13 01:48:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68655 states, 47694 states have (on average 1.2755063530003774) internal successors, (60834), 49046 states have internal predecessors, (60834), 17584 states have call successors, (17584), 3376 states have call predecessors, (17584), 3376 states have return successors, (18616), 16928 states have call predecessors, (18616), 17584 states have call successors, (18616) [2021-11-13 01:48:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68655 states to 68655 states and 97034 transitions. [2021-11-13 01:48:56,727 INFO L78 Accepts]: Start accepts. Automaton has 68655 states and 97034 transitions. Word has length 697 [2021-11-13 01:48:56,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:56,729 INFO L470 AbstractCegarLoop]: Abstraction has 68655 states and 97034 transitions. [2021-11-13 01:48:56,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:48:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 68655 states and 97034 transitions. [2021-11-13 01:48:56,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2021-11-13 01:48:56,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:56,769 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:56,995 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2021-11-13 01:48:56,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:48:56,996 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:48:56,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:56,997 INFO L85 PathProgramCache]: Analyzing trace with hash 261474652, now seen corresponding path program 1 times [2021-11-13 01:48:57,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:48:57,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:57,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777442083] [2021-11-13 01:48:57,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:57,015 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:48:57,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:48:57,016 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:48:57,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 01:49:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:49:09,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 6093 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:49:09,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:49:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-13 01:49:10,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:49:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-13 01:49:12,247 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:49:12,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777442083] [2021-11-13 01:49:12,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777442083] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:49:12,248 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:49:12,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:49:12,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045462577] [2021-11-13 01:49:12,248 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:49:12,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:49:12,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:49:12,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:49:12,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:49:12,251 INFO L87 Difference]: Start difference. First operand 68655 states and 97034 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:49:15,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:49:20,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:49:20,073 INFO L93 Difference]: Finished difference Result 202723 states and 287524 transitions. [2021-11-13 01:49:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:49:20,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 694 [2021-11-13 01:49:20,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:49:21,255 INFO L225 Difference]: With dead ends: 202723 [2021-11-13 01:49:21,255 INFO L226 Difference]: Without dead ends: 134177 [2021-11-13 01:49:21,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1386 GetRequests, 1385 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:49:21,782 INFO L933 BasicCegarLoop]: 5445 mSDtfsCounter, 4300 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3032.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10012 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.23ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3165.68ms IncrementalHoareTripleChecker+Time [2021-11-13 01:49:21,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4300 Valid, 10012 Invalid, 98 Unknown, 0 Unchecked, 23.23ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3165.68ms Time] [2021-11-13 01:49:21,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134177 states. [2021-11-13 01:49:28,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134177 to 134127. [2021-11-13 01:49:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134127 states, 93002 states have (on average 1.2750908582611127) internal successors, (118586), 95706 states have internal predecessors, (118586), 34372 states have call successors, (34372), 6752 states have call predecessors, (34372), 6752 states have return successors, (37524), 33060 states have call predecessors, (37524), 34372 states have call successors, (37524) [2021-11-13 01:49:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134127 states to 134127 states and 190482 transitions. [2021-11-13 01:49:29,739 INFO L78 Accepts]: Start accepts. Automaton has 134127 states and 190482 transitions. Word has length 694 [2021-11-13 01:49:29,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:49:29,740 INFO L470 AbstractCegarLoop]: Abstraction has 134127 states and 190482 transitions. [2021-11-13 01:49:29,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:49:29,741 INFO L276 IsEmpty]: Start isEmpty. Operand 134127 states and 190482 transitions. [2021-11-13 01:49:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2021-11-13 01:49:29,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:49:29,767 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:49:29,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 01:49:29,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:49:29,992 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:49:29,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:49:29,992 INFO L85 PathProgramCache]: Analyzing trace with hash -392357093, now seen corresponding path program 1 times [2021-11-13 01:49:29,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:49:29,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669727814] [2021-11-13 01:49:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:49:29,998 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:49:29,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:49:29,999 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:49:30,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7811c8-e434-4005-b855-5a096213d6c8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 01:49:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:49:42,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 6095 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:49:42,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:49:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11946 trivial. 0 not checked. [2021-11-13 01:49:43,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:49:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12102 trivial. 0 not checked. [2021-11-13 01:49:44,968 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:49:44,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669727814] [2021-11-13 01:49:44,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669727814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:49:44,969 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:49:44,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:49:44,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000308390] [2021-11-13 01:49:44,970 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:49:44,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:49:44,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:49:44,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:49:44,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:49:44,972 INFO L87 Difference]: Start difference. First operand 134127 states and 190482 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-13 01:49:47,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:49:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:49:57,979 INFO L93 Difference]: Finished difference Result 396115 states and 565012 transitions. [2021-11-13 01:49:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:49:57,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 3 states have call successors, (79), 3 states have call predecessors, (79), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 696 [2021-11-13 01:49:57,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:49:59,522 INFO L225 Difference]: With dead ends: 396115 [2021-11-13 01:49:59,522 INFO L226 Difference]: Without dead ends: 262097 [2021-11-13 01:50:00,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1390 GetRequests, 1389 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:50:00,509 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4298 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2997.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.25ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3136.11ms IncrementalHoareTripleChecker+Time [2021-11-13 01:50:00,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4298 Valid, 10011 Invalid, 98 Unknown, 0 Unchecked, 19.25ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3136.11ms Time] [2021-11-13 01:50:00,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262097 states.