./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/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_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:32:55,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:32:55,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:32:55,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:32:55,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:32:55,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:32:55,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:32:55,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:32:55,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:32:55,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:32:55,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:32:55,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:32:55,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:32:55,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:32:55,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:32:55,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:32:55,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:32:55,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:32:55,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:32:55,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:32:55,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:32:55,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:32:55,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:32:55,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:32:55,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:32:55,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:32:55,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:32:55,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:32:55,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:32:55,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:32:55,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:32:55,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:32:55,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:32:55,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:32:55,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:32:55,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:32:55,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:32:55,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:32:55,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:32:55,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:32:55,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:32:55,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:32:56,025 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:32:56,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:32:56,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:32:56,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:32:56,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:32:56,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:32:56,028 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:32:56,029 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:32:56,029 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:32:56,029 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:32:56,030 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:32:56,031 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:32:56,031 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:32:56,031 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:32:56,031 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:32:56,032 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:32:56,032 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:32:56,032 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:32:56,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:32:56,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:32:56,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:32:56,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:32:56,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:32:56,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:32:56,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:32:56,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:32:56,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:32:56,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:32:56,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:32:56,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:32:56,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:32:56,036 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:32:56,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:32:56,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:32:56,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:32:56,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:32:56,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:32:56,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:32:56,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2022-11-03 03:32:56,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:32:56,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:32:56,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:32:56,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:32:56,386 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:32:56,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-03 03:32:56,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/data/5b38a1d92/b28fc6f7576b47b5afc3143c3a0019fc/FLAG11edcb189 [2022-11-03 03:32:57,683 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:32:57,684 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-03 03:32:57,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/data/5b38a1d92/b28fc6f7576b47b5afc3143c3a0019fc/FLAG11edcb189 [2022-11-03 03:32:57,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/data/5b38a1d92/b28fc6f7576b47b5afc3143c3a0019fc [2022-11-03 03:32:57,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:32:57,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:32:57,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:32:57,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:32:57,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:32:57,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:57" (1/1) ... [2022-11-03 03:32:57,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de5a10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:57, skipping insertion in model container [2022-11-03 03:32:57,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:57" (1/1) ... [2022-11-03 03:32:57,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:32:58,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:33:03,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2022-11-03 03:33:03,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2022-11-03 03:33:03,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:03,880 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:33:04,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2022-11-03 03:33:04,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2022-11-03 03:33:04,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:04,911 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:33:04,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04 WrapperNode [2022-11-03 03:33:04,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:33:04,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:04,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:33:04,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:33:04,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,361 INFO L138 Inliner]: procedures = 678, calls = 3870, calls flagged for inlining = 401, calls inlined = 378, statements flattened = 9089 [2022-11-03 03:33:05,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:05,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:33:05,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:33:05,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:33:05,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:05,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:06,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:33:06,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:33:06,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:33:06,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:33:06,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (1/1) ... [2022-11-03 03:33:06,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:33:06,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:06,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:33:06,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feed4038-d8ad-4acc-9444-6dea790ef520/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:33:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:33:06,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:33:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 03:33:06,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 03:33:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2022-11-03 03:33:06,175 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2022-11-03 03:33:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2022-11-03 03:33:06,176 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2022-11-03 03:33:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 03:33:06,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 03:33:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-11-03 03:33:06,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-11-03 03:33:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2022-11-03 03:33:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2022-11-03 03:33:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2022-11-03 03:33:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2022-11-03 03:33:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:33:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:33:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2022-11-03 03:33:06,178 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2022-11-03 03:33:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2022-11-03 03:33:06,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2022-11-03 03:33:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2022-11-03 03:33:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2022-11-03 03:33:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 03:33:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 03:33:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2022-11-03 03:33:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2022-11-03 03:33:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 03:33:06,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 03:33:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:33:06,180 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:33:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:33:06,181 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:33:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2022-11-03 03:33:06,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2022-11-03 03:33:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 03:33:06,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 03:33:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2022-11-03 03:33:06,182 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2022-11-03 03:33:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2022-11-03 03:33:06,182 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2022-11-03 03:33:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2022-11-03 03:33:06,182 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2022-11-03 03:33:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-03 03:33:06,183 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-03 03:33:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-03 03:33:06,183 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-03 03:33:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 03:33:06,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 03:33:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 03:33:06,184 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 03:33:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 03:33:06,185 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 03:33:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:33:06,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:33:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2022-11-03 03:33:06,185 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2022-11-03 03:33:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-03 03:33:06,186 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-03 03:33:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:33:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2022-11-03 03:33:06,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2022-11-03 03:33:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2022-11-03 03:33:06,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2022-11-03 03:33:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-03 03:33:06,187 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-03 03:33:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:33:06,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:33:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:33:06,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:33:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2022-11-03 03:33:06,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2022-11-03 03:33:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:33:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:33:06,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:33:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 03:33:06,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 03:33:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:33:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2022-11-03 03:33:06,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2022-11-03 03:33:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2022-11-03 03:33:06,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2022-11-03 03:33:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 03:33:06,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 03:33:06,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:33:06,191 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2022-11-03 03:33:06,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2022-11-03 03:33:06,191 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:33:06,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:33:06,192 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2022-11-03 03:33:06,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2022-11-03 03:33:06,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 03:33:06,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 03:33:06,192 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2022-11-03 03:33:06,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2022-11-03 03:33:06,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:33:06,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:33:06,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 03:33:06,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 03:33:06,193 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2022-11-03 03:33:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2022-11-03 03:33:06,194 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2022-11-03 03:33:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2022-11-03 03:33:06,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:33:06,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:33:06,194 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2022-11-03 03:33:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2022-11-03 03:33:06,195 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2022-11-03 03:33:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2022-11-03 03:33:06,195 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-03 03:33:06,195 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-03 03:33:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:33:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 03:33:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 03:33:06,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 03:33:06,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 03:33:06,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 03:33:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 03:33:06,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 03:33:06,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 03:33:06,197 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 03:33:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 03:33:06,198 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2022-11-03 03:33:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2022-11-03 03:33:06,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:33:06,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 03:33:06,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 03:33:06,199 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:33:06,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:33:06,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:33:06,199 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:33:06,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:33:06,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:33:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:33:06,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:33:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 03:33:06,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 03:33:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 03:33:06,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 03:33:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2022-11-03 03:33:06,201 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2022-11-03 03:33:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2022-11-03 03:33:06,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2022-11-03 03:33:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2022-11-03 03:33:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2022-11-03 03:33:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-03 03:33:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-03 03:33:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 03:33:06,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 03:33:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 03:33:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 03:33:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:33:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:33:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 03:33:06,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 03:33:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:33:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:33:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2022-11-03 03:33:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2022-11-03 03:33:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:33:06,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:33:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2022-11-03 03:33:06,205 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2022-11-03 03:33:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:33:06,205 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:33:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2022-11-03 03:33:06,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2022-11-03 03:33:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2022-11-03 03:33:06,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2022-11-03 03:33:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:33:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:33:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:33:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:33:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2022-11-03 03:33:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2022-11-03 03:33:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2022-11-03 03:33:06,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2022-11-03 03:33:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 03:33:06,208 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2022-11-03 03:33:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2022-11-03 03:33:06,208 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2022-11-03 03:33:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2022-11-03 03:33:06,208 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2022-11-03 03:33:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2022-11-03 03:33:06,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:33:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:33:06,209 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2022-11-03 03:33:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2022-11-03 03:33:06,209 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2022-11-03 03:33:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2022-11-03 03:33:06,210 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 03:33:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 03:33:06,210 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2022-11-03 03:33:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2022-11-03 03:33:06,210 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2022-11-03 03:33:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2022-11-03 03:33:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-03 03:33:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-03 03:33:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2022-11-03 03:33:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2022-11-03 03:33:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 03:33:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 03:33:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:33:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 03:33:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 03:33:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:33:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2022-11-03 03:33:06,212 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2022-11-03 03:33:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2022-11-03 03:33:06,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2022-11-03 03:33:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:33:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2022-11-03 03:33:06,213 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2022-11-03 03:33:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:33:06,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:33:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2022-11-03 03:33:06,214 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2022-11-03 03:33:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 03:33:06,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 03:33:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2022-11-03 03:33:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2022-11-03 03:33:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 03:33:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 03:33:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2022-11-03 03:33:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2022-11-03 03:33:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2022-11-03 03:33:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2022-11-03 03:33:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2022-11-03 03:33:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2022-11-03 03:33:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2022-11-03 03:33:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2022-11-03 03:33:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2022-11-03 03:33:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2022-11-03 03:33:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 03:33:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 03:33:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 03:33:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 03:33:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2022-11-03 03:33:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2022-11-03 03:33:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 03:33:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 03:33:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2022-11-03 03:33:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2022-11-03 03:33:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:33:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:33:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2022-11-03 03:33:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2022-11-03 03:33:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2022-11-03 03:33:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2022-11-03 03:33:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2022-11-03 03:33:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2022-11-03 03:33:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2022-11-03 03:33:06,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2022-11-03 03:33:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:33:06,220 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:33:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2022-11-03 03:33:06,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2022-11-03 03:33:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2022-11-03 03:33:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2022-11-03 03:33:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:33:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:33:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2022-11-03 03:33:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2022-11-03 03:33:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2022-11-03 03:33:06,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2022-11-03 03:33:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2022-11-03 03:33:06,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2022-11-03 03:33:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:33:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2022-11-03 03:33:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2022-11-03 03:33:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2022-11-03 03:33:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2022-11-03 03:33:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2022-11-03 03:33:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2022-11-03 03:33:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:33:06,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:33:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2022-11-03 03:33:06,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2022-11-03 03:33:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 03:33:06,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 03:33:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-03 03:33:06,224 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-03 03:33:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2022-11-03 03:33:06,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2022-11-03 03:33:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 03:33:06,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 03:33:06,225 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2022-11-03 03:33:06,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2022-11-03 03:33:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 03:33:06,226 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 03:33:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2022-11-03 03:33:06,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2022-11-03 03:33:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2022-11-03 03:33:06,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2022-11-03 03:33:06,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 03:33:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 03:33:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:33:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:33:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 03:33:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 03:33:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:33:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2022-11-03 03:33:06,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2022-11-03 03:33:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:33:06,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:33:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 03:33:06,228 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 03:33:07,761 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:33:07,771 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:33:08,512 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:34:26,895 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 03:34:27,116 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:34:30,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:34:30,101 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-03 03:34:30,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:30 BoogieIcfgContainer [2022-11-03 03:34:30,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:34:30,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:34:30,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:34:30,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:34:30,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:32:57" (1/3) ... [2022-11-03 03:34:30,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e839d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:30, skipping insertion in model container [2022-11-03 03:34:30,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:04" (2/3) ... [2022-11-03 03:34:30,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e839d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:30, skipping insertion in model container [2022-11-03 03:34:30,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:30" (3/3) ... [2022-11-03 03:34:30,119 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-03 03:34:30,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:34:30,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:34:30,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:34:30,252 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@205d48ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:34:30,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:34:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 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) [2022-11-03 03:34:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2022-11-03 03:34:30,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:30,380 INFO L195 NwaCegarLoop]: trace histogram [54, 52, 52, 52, 52, 52, 52, 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] [2022-11-03 03:34:30,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:30,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 470927633, now seen corresponding path program 1 times [2022-11-03 03:34:30,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:30,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68985399] [2022-11-03 03:34:30,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:30,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2022-11-03 03:34:32,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:32,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68985399] [2022-11-03 03:34:32,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68985399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:32,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:32,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:34:32,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424987670] [2022-11-03 03:34:32,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:32,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:34:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:32,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:34:32,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:32,977 INFO L87 Difference]: Start difference. First operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 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 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:34:35,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:41,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:41,739 INFO L93 Difference]: Finished difference Result 7139 states and 10795 transitions. [2022-11-03 03:34:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:34:41,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 603 [2022-11-03 03:34:41,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:41,831 INFO L225 Difference]: With dead ends: 7139 [2022-11-03 03:34:41,832 INFO L226 Difference]: Without dead ends: 4601 [2022-11-03 03:34:41,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:41,871 INFO L413 NwaCegarLoop]: 3968 mSDtfsCounter, 3102 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:41,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 7151 Invalid, 1257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1226 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 03:34:41,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2022-11-03 03:34:42,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 4597. [2022-11-03 03:34:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4597 states, 2781 states have (on average 1.3347716648687522) internal successors, (3712), 2888 states have internal predecessors, (3712), 1536 states have call successors, (1536), 279 states have call predecessors, (1536), 279 states have return successors, (1537), 1485 states have call predecessors, (1537), 1536 states have call successors, (1537) [2022-11-03 03:34:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4597 states and 6785 transitions. [2022-11-03 03:34:42,323 INFO L78 Accepts]: Start accepts. Automaton has 4597 states and 6785 transitions. Word has length 603 [2022-11-03 03:34:42,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:42,333 INFO L495 AbstractCegarLoop]: Abstraction has 4597 states and 6785 transitions. [2022-11-03 03:34:42,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:34:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 4597 states and 6785 transitions. [2022-11-03 03:34:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2022-11-03 03:34:42,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:42,395 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:42,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:34:42,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:42,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:42,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1156279763, now seen corresponding path program 1 times [2022-11-03 03:34:42,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:42,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720552010] [2022-11-03 03:34:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:42,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-03 03:34:43,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:43,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720552010] [2022-11-03 03:34:43,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720552010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:43,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:43,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:34:43,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877713762] [2022-11-03 03:34:43,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:43,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:34:43,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:43,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:34:43,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:43,501 INFO L87 Difference]: Start difference. First operand 4597 states and 6785 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:34:45,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:49,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:51,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:51,886 INFO L93 Difference]: Finished difference Result 13288 states and 19612 transitions. [2022-11-03 03:34:51,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:34:51,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 617 [2022-11-03 03:34:51,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:51,973 INFO L225 Difference]: With dead ends: 13288 [2022-11-03 03:34:51,973 INFO L226 Difference]: Without dead ends: 8796 [2022-11-03 03:34:52,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:52,012 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 3243 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 7061 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:52,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 7061 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 03:34:52,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8796 states. [2022-11-03 03:34:52,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8796 to 8794. [2022-11-03 03:34:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8794 states, 5335 states have (on average 1.334020618556701) internal successors, (7117), 5544 states have internal predecessors, (7117), 2901 states have call successors, (2901), 557 states have call predecessors, (2901), 557 states have return successors, (2955), 2803 states have call predecessors, (2955), 2901 states have call successors, (2955) [2022-11-03 03:34:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8794 states to 8794 states and 12973 transitions. [2022-11-03 03:34:52,987 INFO L78 Accepts]: Start accepts. Automaton has 8794 states and 12973 transitions. Word has length 617 [2022-11-03 03:34:52,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:52,991 INFO L495 AbstractCegarLoop]: Abstraction has 8794 states and 12973 transitions. [2022-11-03 03:34:52,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:34:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 8794 states and 12973 transitions. [2022-11-03 03:34:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2022-11-03 03:34:53,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:53,047 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:53,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:34:53,048 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:53,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:53,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1134776572, now seen corresponding path program 1 times [2022-11-03 03:34:53,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:53,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446123580] [2022-11-03 03:34:53,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:53,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-03 03:34:54,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:54,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446123580] [2022-11-03 03:34:54,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446123580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:54,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:54,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:34:54,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326066150] [2022-11-03 03:34:54,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:54,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:34:54,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:54,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:34:54,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:34:54,050 INFO L87 Difference]: Start difference. First operand 8794 states and 12973 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:34:56,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:59,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:02,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:02,543 INFO L93 Difference]: Finished difference Result 25705 states and 38003 transitions. [2022-11-03 03:35:02,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:35:02,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 619 [2022-11-03 03:35:02,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:02,697 INFO L225 Difference]: With dead ends: 25705 [2022-11-03 03:35:02,697 INFO L226 Difference]: Without dead ends: 17016 [2022-11-03 03:35:02,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:02,764 INFO L413 NwaCegarLoop]: 3978 mSDtfsCounter, 3241 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:02,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 7122 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 03:35:02,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17016 states. [2022-11-03 03:35:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17016 to 17014. [2022-11-03 03:35:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 10332 states have (on average 1.3315911730545877) internal successors, (13758), 10745 states have internal predecessors, (13758), 5568 states have call successors, (5568), 1113 states have call predecessors, (5568), 1113 states have return successors, (5840), 5375 states have call predecessors, (5840), 5568 states have call successors, (5840) [2022-11-03 03:35:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 25166 transitions. [2022-11-03 03:35:04,148 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 25166 transitions. Word has length 619 [2022-11-03 03:35:04,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:04,150 INFO L495 AbstractCegarLoop]: Abstraction has 17014 states and 25166 transitions. [2022-11-03 03:35:04,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:35:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 25166 transitions. [2022-11-03 03:35:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-11-03 03:35:04,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:04,182 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:04,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:35:04,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:04,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:04,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1679606330, now seen corresponding path program 1 times [2022-11-03 03:35:04,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:04,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801340488] [2022-11-03 03:35:04,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:04,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-03 03:35:05,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:05,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801340488] [2022-11-03 03:35:05,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801340488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:05,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:05,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:35:05,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055640108] [2022-11-03 03:35:05,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:05,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:35:05,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:05,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:35:05,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:05,343 INFO L87 Difference]: Start difference. First operand 17014 states and 25166 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:35:07,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:11,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:14,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:14,614 INFO L93 Difference]: Finished difference Result 50019 states and 74198 transitions. [2022-11-03 03:35:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:35:14,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 621 [2022-11-03 03:35:14,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:14,889 INFO L225 Difference]: With dead ends: 50019 [2022-11-03 03:35:14,889 INFO L226 Difference]: Without dead ends: 33110 [2022-11-03 03:35:15,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:15,019 INFO L413 NwaCegarLoop]: 4071 mSDtfsCounter, 3239 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 7215 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:15,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 7215 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1249 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 03:35:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33110 states. [2022-11-03 03:35:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33110 to 33100. [2022-11-03 03:35:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33100 states, 20097 states have (on average 1.3283077076180525) internal successors, (26695), 20918 states have internal predecessors, (26695), 10777 states have call successors, (10777), 2225 states have call predecessors, (10777), 2225 states have return successors, (11668), 10393 states have call predecessors, (11668), 10777 states have call successors, (11668) [2022-11-03 03:35:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33100 states to 33100 states and 49140 transitions. [2022-11-03 03:35:17,659 INFO L78 Accepts]: Start accepts. Automaton has 33100 states and 49140 transitions. Word has length 621 [2022-11-03 03:35:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:17,661 INFO L495 AbstractCegarLoop]: Abstraction has 33100 states and 49140 transitions. [2022-11-03 03:35:17,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:35:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 33100 states and 49140 transitions. [2022-11-03 03:35:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2022-11-03 03:35:17,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:17,895 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:17,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:35:17,896 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:17,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1555724691, now seen corresponding path program 1 times [2022-11-03 03:35:17,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:17,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339911778] [2022-11-03 03:35:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:17,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-03 03:35:18,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:18,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339911778] [2022-11-03 03:35:18,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339911778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:18,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:18,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:35:18,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760110394] [2022-11-03 03:35:18,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:18,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:35:18,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:18,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:35:18,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:18,954 INFO L87 Difference]: Start difference. First operand 33100 states and 49140 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:35:21,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:24,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:29,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:29,425 INFO L93 Difference]: Finished difference Result 97587 states and 145314 transitions. [2022-11-03 03:35:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:35:29,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 618 [2022-11-03 03:35:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:30,168 INFO L225 Difference]: With dead ends: 97587 [2022-11-03 03:35:30,168 INFO L226 Difference]: Without dead ends: 64592 [2022-11-03 03:35:30,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:30,363 INFO L413 NwaCegarLoop]: 4132 mSDtfsCounter, 3242 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 7276 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:30,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3242 Valid, 7276 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1283 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-03 03:35:30,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64592 states. [2022-11-03 03:35:35,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64592 to 64590. [2022-11-03 03:35:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64590 states, 39194 states have (on average 1.3242843292340665) internal successors, (51904), 40831 states have internal predecessors, (51904), 20946 states have call successors, (20946), 4449 states have call predecessors, (20946), 4449 states have return successors, (23400), 20179 states have call predecessors, (23400), 20946 states have call successors, (23400) [2022-11-03 03:35:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64590 states to 64590 states and 96250 transitions. [2022-11-03 03:35:35,905 INFO L78 Accepts]: Start accepts. Automaton has 64590 states and 96250 transitions. Word has length 618 [2022-11-03 03:35:35,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:35,906 INFO L495 AbstractCegarLoop]: Abstraction has 64590 states and 96250 transitions. [2022-11-03 03:35:35,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:35:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 64590 states and 96250 transitions. [2022-11-03 03:35:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2022-11-03 03:35:35,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:35,936 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:35,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:35:35,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:35,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:35,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1074383650, now seen corresponding path program 1 times [2022-11-03 03:35:35,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:35,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260700072] [2022-11-03 03:35:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-03 03:35:37,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:37,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260700072] [2022-11-03 03:35:37,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260700072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:37,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:37,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:35:37,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840696446] [2022-11-03 03:35:37,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:37,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:35:37,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:37,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:35:37,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:37,225 INFO L87 Difference]: Start difference. First operand 64590 states and 96250 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:35:39,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:42,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:50,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:50,110 INFO L93 Difference]: Finished difference Result 190679 states and 284994 transitions. [2022-11-03 03:35:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:35:50,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 616 [2022-11-03 03:35:50,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:51,025 INFO L225 Difference]: With dead ends: 190679 [2022-11-03 03:35:51,025 INFO L226 Difference]: Without dead ends: 126194 [2022-11-03 03:35:51,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:51,371 INFO L413 NwaCegarLoop]: 4214 mSDtfsCounter, 3244 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 7358 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:51,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 7358 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1305 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-03 03:35:51,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126194 states. [2022-11-03 03:35:58,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126194 to 126192. [2022-11-03 03:35:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126192 states, 76507 states have (on average 1.3198400146391833) internal successors, (100977), 79776 states have internal predecessors, (100977), 40787 states have call successors, (40787), 8897 states have call predecessors, (40787), 8897 states have return successors, (46976), 39253 states have call predecessors, (46976), 40787 states have call successors, (46976) [2022-11-03 03:36:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126192 states to 126192 states and 188740 transitions. [2022-11-03 03:36:00,514 INFO L78 Accepts]: Start accepts. Automaton has 126192 states and 188740 transitions. Word has length 616 [2022-11-03 03:36:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:00,515 INFO L495 AbstractCegarLoop]: Abstraction has 126192 states and 188740 transitions. [2022-11-03 03:36:00,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:36:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 126192 states and 188740 transitions. [2022-11-03 03:36:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-11-03 03:36:00,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:00,536 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:00,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:36:00,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:00,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:00,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1778324069, now seen corresponding path program 1 times [2022-11-03 03:36:00,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:36:00,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344505976] [2022-11-03 03:36:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:36:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-03 03:36:01,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:36:01,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344505976] [2022-11-03 03:36:01,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344505976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:01,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:01,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:36:01,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681197431] [2022-11-03 03:36:01,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:01,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:36:01,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:36:01,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:36:01,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:36:01,392 INFO L87 Difference]: Start difference. First operand 126192 states and 188740 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:36:03,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []