./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 4e7fbc69 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_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/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_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 16:06:44,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:06:44,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:06:44,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:06:44,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:06:44,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:06:44,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:06:44,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:06:44,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:06:44,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:06:44,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:06:44,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:06:44,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:06:44,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:06:44,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:06:44,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:06:44,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:06:44,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:06:44,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:06:44,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:06:44,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:06:44,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:06:44,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:06:44,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:06:44,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:06:44,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:06:44,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:06:44,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:06:44,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:06:44,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:06:44,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:06:44,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:06:44,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:06:44,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:06:44,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:06:44,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:06:44,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:06:44,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:06:44,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:06:44,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:06:44,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:06:44,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 16:06:44,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:06:44,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:06:44,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:06:44,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:06:44,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:06:44,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:06:44,228 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:06:44,228 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:06:44,228 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:06:44,228 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:06:44,230 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:06:44,230 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:06:44,230 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:06:44,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:06:44,231 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:06:44,231 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:06:44,231 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:06:44,232 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:06:44,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:06:44,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:06:44,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:06:44,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:06:44,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:06:44,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:06:44,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:06:44,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:06:44,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:06:44,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:06:44,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:06:44,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:06:44,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:06:44,236 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:06:44,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:06:44,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:06:44,237 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:06:44,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:06:44,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:06:44,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:06:44,239 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_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2022-11-23 16:06:44,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:06:44,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:06:44,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:06:44,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:06:44,587 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:06:44,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-23 16:06:48,075 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:06:48,932 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:06:48,932 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-23 16:06:49,023 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/data/6d67cbf92/6319ec04dcf54c4e8a2c03124bfa60bd/FLAG6f49994ba [2022-11-23 16:06:49,048 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/data/6d67cbf92/6319ec04dcf54c4e8a2c03124bfa60bd [2022-11-23 16:06:49,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:06:49,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:06:49,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:06:49,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:06:49,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:06:49,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:49" (1/1) ... [2022-11-23 16:06:49,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382ba52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49, skipping insertion in model container [2022-11-23 16:06:49,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:49" (1/1) ... [2022-11-23 16:06:49,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:06:49,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:06:54,727 WARN L237 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_5179877b-a975-4f02-956c-db96b9253389/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2022-11-23 16:06:54,734 WARN L237 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_5179877b-a975-4f02-956c-db96b9253389/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2022-11-23 16:06:54,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:06:54,904 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:06:55,521 WARN L237 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_5179877b-a975-4f02-956c-db96b9253389/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2022-11-23 16:06:55,522 WARN L237 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_5179877b-a975-4f02-956c-db96b9253389/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2022-11-23 16:06:55,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:06:56,037 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:06:56,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56 WrapperNode [2022-11-23 16:06:56,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:06:56,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:06:56,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:06:56,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:06:56,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:56,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:56,538 INFO L138 Inliner]: procedures = 678, calls = 3864, calls flagged for inlining = 401, calls inlined = 378, statements flattened = 9094 [2022-11-23 16:06:56,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:06:56,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:06:56,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:06:56,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:06:56,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:56,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:56,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:56,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:56,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:57,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:57,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:57,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:57,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:06:57,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:06:57,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:06:57,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:06:57,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (1/1) ... [2022-11-23 16:06:57,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:06:57,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:06:57,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:06:57,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5179877b-a975-4f02-956c-db96b9253389/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:06:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 16:06:57,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 16:06:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 16:06:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 16:06:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2022-11-23 16:06:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2022-11-23 16:06:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2022-11-23 16:06:57,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2022-11-23 16:06:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 16:06:57,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 16:06:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-11-23 16:06:57,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-11-23 16:06:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2022-11-23 16:06:57,364 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2022-11-23 16:06:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2022-11-23 16:06:57,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2022-11-23 16:06:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 16:06:57,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 16:06:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2022-11-23 16:06:57,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2022-11-23 16:06:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2022-11-23 16:06:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2022-11-23 16:06:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2022-11-23 16:06:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2022-11-23 16:06:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 16:06:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 16:06:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2022-11-23 16:06:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2022-11-23 16:06:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-23 16:06:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-23 16:06:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 16:06:57,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 16:06:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 16:06:57,371 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 16:06:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2022-11-23 16:06:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2022-11-23 16:06:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-23 16:06:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-23 16:06:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2022-11-23 16:06:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2022-11-23 16:06:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2022-11-23 16:06:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2022-11-23 16:06:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2022-11-23 16:06:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2022-11-23 16:06:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-23 16:06:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-23 16:06:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-23 16:06:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-23 16:06:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 16:06:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 16:06:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-23 16:06:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-23 16:06:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 16:06:57,377 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 16:06:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 16:06:57,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 16:06:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2022-11-23 16:06:57,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2022-11-23 16:06:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-23 16:06:57,379 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-23 16:06:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:06:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2022-11-23 16:06:57,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2022-11-23 16:06:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2022-11-23 16:06:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2022-11-23 16:06:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-23 16:06:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-23 16:06:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 16:06:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 16:06:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 16:06:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 16:06:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2022-11-23 16:06:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2022-11-23 16:06:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 16:06:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 16:06:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 16:06:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 16:06:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 16:06:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 16:06:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2022-11-23 16:06:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2022-11-23 16:06:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2022-11-23 16:06:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2022-11-23 16:06:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 16:06:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 16:06:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:06:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2022-11-23 16:06:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2022-11-23 16:06:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 16:06:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 16:06:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2022-11-23 16:06:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2022-11-23 16:06:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 16:06:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 16:06:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2022-11-23 16:06:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2022-11-23 16:06:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 16:06:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 16:06:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 16:06:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 16:06:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2022-11-23 16:06:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2022-11-23 16:06:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2022-11-23 16:06:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2022-11-23 16:06:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 16:06:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 16:06:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2022-11-23 16:06:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2022-11-23 16:06:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2022-11-23 16:06:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2022-11-23 16:06:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-23 16:06:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-23 16:06:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 16:06:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 16:06:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 16:06:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 16:06:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 16:06:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 16:06:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 16:06:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-23 16:06:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-23 16:06:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 16:06:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 16:06:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2022-11-23 16:06:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2022-11-23 16:06:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:06:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 16:06:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 16:06:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 16:06:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 16:06:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:06:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 16:06:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 16:06:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 16:06:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 16:06:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 16:06:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-23 16:06:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-23 16:06:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-23 16:06:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-23 16:06:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2022-11-23 16:06:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2022-11-23 16:06:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2022-11-23 16:06:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2022-11-23 16:06:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2022-11-23 16:06:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2022-11-23 16:06:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-23 16:06:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-23 16:06:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 16:06:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 16:06:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-23 16:06:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-23 16:06:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 16:06:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 16:06:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 16:06:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 16:06:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 16:06:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 16:06:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2022-11-23 16:06:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2022-11-23 16:06:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:06:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:06:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2022-11-23 16:06:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2022-11-23 16:06:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 16:06:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 16:06:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2022-11-23 16:06:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2022-11-23 16:06:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2022-11-23 16:06:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2022-11-23 16:06:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 16:06:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 16:06:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 16:06:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 16:06:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2022-11-23 16:06:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2022-11-23 16:06:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2022-11-23 16:06:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2022-11-23 16:06:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 16:06:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2022-11-23 16:06:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2022-11-23 16:06:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2022-11-23 16:06:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2022-11-23 16:06:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2022-11-23 16:06:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2022-11-23 16:06:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 16:06:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 16:06:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2022-11-23 16:06:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2022-11-23 16:06:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2022-11-23 16:06:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2022-11-23 16:06:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 16:06:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 16:06:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2022-11-23 16:06:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2022-11-23 16:06:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2022-11-23 16:06:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2022-11-23 16:06:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-23 16:06:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-23 16:06:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2022-11-23 16:06:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2022-11-23 16:06:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 16:06:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 16:06:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:06:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 16:06:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 16:06:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:06:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2022-11-23 16:06:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2022-11-23 16:06:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2022-11-23 16:06:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2022-11-23 16:06:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 16:06:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2022-11-23 16:06:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2022-11-23 16:06:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 16:06:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 16:06:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2022-11-23 16:06:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2022-11-23 16:06:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 16:06:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 16:06:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2022-11-23 16:06:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2022-11-23 16:06:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 16:06:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 16:06:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2022-11-23 16:06:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2022-11-23 16:06:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2022-11-23 16:06:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2022-11-23 16:06:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2022-11-23 16:06:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2022-11-23 16:06:57,420 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2022-11-23 16:06:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2022-11-23 16:06:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2022-11-23 16:06:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2022-11-23 16:06:57,421 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 16:06:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 16:06:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 16:06:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 16:06:57,422 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2022-11-23 16:06:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2022-11-23 16:06:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 16:06:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 16:06:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2022-11-23 16:06:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2022-11-23 16:06:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 16:06:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 16:06:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2022-11-23 16:06:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2022-11-23 16:06:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2022-11-23 16:06:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2022-11-23 16:06:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2022-11-23 16:06:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2022-11-23 16:06:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2022-11-23 16:06:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2022-11-23 16:06:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 16:06:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 16:06:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2022-11-23 16:06:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2022-11-23 16:06:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2022-11-23 16:06:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2022-11-23 16:06:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 16:06:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 16:06:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2022-11-23 16:06:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2022-11-23 16:06:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2022-11-23 16:06:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2022-11-23 16:06:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2022-11-23 16:06:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2022-11-23 16:06:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:06:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2022-11-23 16:06:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2022-11-23 16:06:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2022-11-23 16:06:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2022-11-23 16:06:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2022-11-23 16:06:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2022-11-23 16:06:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 16:06:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 16:06:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2022-11-23 16:06:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2022-11-23 16:06:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 16:06:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 16:06:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-23 16:06:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-23 16:06:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2022-11-23 16:06:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2022-11-23 16:06:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 16:06:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 16:06:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2022-11-23 16:06:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2022-11-23 16:06:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 16:06:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 16:06:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2022-11-23 16:06:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2022-11-23 16:06:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2022-11-23 16:06:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2022-11-23 16:06:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 16:06:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 16:06:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 16:06:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 16:06:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 16:06:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 16:06:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:06:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2022-11-23 16:06:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2022-11-23 16:06:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 16:06:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 16:06:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 16:06:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 16:06:59,137 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:06:59,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:06:59,854 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 16:08:19,504 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 16:08:19,729 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:08:23,365 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:08:23,371 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-11-23 16:08:23,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:23 BoogieIcfgContainer [2022-11-23 16:08:23,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:08:23,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:08:23,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:08:23,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:08:23,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:06:49" (1/3) ... [2022-11-23 16:08:23,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efc750f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:23, skipping insertion in model container [2022-11-23 16:08:23,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:56" (2/3) ... [2022-11-23 16:08:23,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efc750f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:23, skipping insertion in model container [2022-11-23 16:08:23,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:23" (3/3) ... [2022-11-23 16:08:23,395 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-23 16:08:23,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:08:23,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 16:08:23,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:08:23,594 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;@3b9360bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:08:23,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 16:08:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 2578 states, 1548 states have (on average 1.3430232558139534) internal successors, (2079), 1612 states have internal predecessors, (2079), 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) [2022-11-23 16:08:23,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2022-11-23 16:08:23,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:23,724 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] [2022-11-23 16:08:23,725 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:08:23,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:23,734 INFO L85 PathProgramCache]: Analyzing trace with hash 263289587, now seen corresponding path program 1 times [2022-11-23 16:08:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:23,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734028835] [2022-11-23 16:08:23,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2022-11-23 16:08:26,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:26,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734028835] [2022-11-23 16:08:26,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734028835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:26,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:26,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:08:26,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291080407] [2022-11-23 16:08:26,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:26,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:26,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:26,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:26,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:26,109 INFO L87 Difference]: Start difference. First operand has 2578 states, 1548 states have (on average 1.3430232558139534) internal successors, (2079), 1612 states have internal predecessors, (2079), 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) [2022-11-23 16:08:28,270 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 [] [2022-11-23 16:08:33,875 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 [] [2022-11-23 16:08:34,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:34,375 INFO L93 Difference]: Finished difference Result 7143 states and 10803 transitions. [2022-11-23 16:08:34,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:08:34,382 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 [2022-11-23 16:08:34,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:34,453 INFO L225 Difference]: With dead ends: 7143 [2022-11-23 16:08:34,453 INFO L226 Difference]: Without dead ends: 4603 [2022-11-23 16:08:34,479 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 [2022-11-23 16:08:34,483 INFO L413 NwaCegarLoop]: 3970 mSDtfsCounter, 3102 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7157 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:34,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 7157 Invalid, 1257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1226 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-23 16:08:34,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4603 states. [2022-11-23 16:08:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4603 to 4599. [2022-11-23 16:08:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4599 states, 2783 states have (on average 1.3352497305066475) internal successors, (3716), 2890 states have internal predecessors, (3716), 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) [2022-11-23 16:08:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4599 states to 4599 states and 6789 transitions. [2022-11-23 16:08:34,921 INFO L78 Accepts]: Start accepts. Automaton has 4599 states and 6789 transitions. Word has length 603 [2022-11-23 16:08:34,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:34,932 INFO L495 AbstractCegarLoop]: Abstraction has 4599 states and 6789 transitions. [2022-11-23 16:08:34,932 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) [2022-11-23 16:08:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 4599 states and 6789 transitions. [2022-11-23 16:08:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-11-23 16:08:34,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:34,989 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] [2022-11-23 16:08:34,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:08:34,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:08:34,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:34,991 INFO L85 PathProgramCache]: Analyzing trace with hash 222062727, now seen corresponding path program 1 times [2022-11-23 16:08:34,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:34,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187984168] [2022-11-23 16:08:34,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:34,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-23 16:08:36,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:36,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187984168] [2022-11-23 16:08:36,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187984168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:36,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:36,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:08:36,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392716981] [2022-11-23 16:08:36,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:36,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:36,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:36,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:36,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:36,210 INFO L87 Difference]: Start difference. First operand 4599 states and 6789 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) [2022-11-23 16:08:38,334 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 [] [2022-11-23 16:08:42,311 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 [] [2022-11-23 16:08:45,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:45,370 INFO L93 Difference]: Finished difference Result 13293 states and 19622 transitions. [2022-11-23 16:08:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:08:45,371 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 620 [2022-11-23 16:08:45,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:45,450 INFO L225 Difference]: With dead ends: 13293 [2022-11-23 16:08:45,451 INFO L226 Difference]: Without dead ends: 8799 [2022-11-23 16:08:45,486 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 [2022-11-23 16:08:45,487 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 3242 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:45,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3242 Valid, 7069 Invalid, 1182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-23 16:08:45,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8799 states. [2022-11-23 16:08:45,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8799 to 8797. [2022-11-23 16:08:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8797 states, 5338 states have (on average 1.3343949044585988) internal successors, (7123), 5547 states have internal predecessors, (7123), 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) [2022-11-23 16:08:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8797 states to 8797 states and 12979 transitions. [2022-11-23 16:08:46,046 INFO L78 Accepts]: Start accepts. Automaton has 8797 states and 12979 transitions. Word has length 620 [2022-11-23 16:08:46,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:46,047 INFO L495 AbstractCegarLoop]: Abstraction has 8797 states and 12979 transitions. [2022-11-23 16:08:46,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-11-23 16:08:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 8797 states and 12979 transitions. [2022-11-23 16:08:46,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2022-11-23 16:08:46,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:46,090 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] [2022-11-23 16:08:46,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:08:46,090 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:08:46,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash 669965535, now seen corresponding path program 1 times [2022-11-23 16:08:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:46,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960633365] [2022-11-23 16:08:46,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-23 16:08:47,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:47,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960633365] [2022-11-23 16:08:47,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960633365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:47,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:47,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:08:47,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543917345] [2022-11-23 16:08:47,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:47,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:47,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:47,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:47,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:47,168 INFO L87 Difference]: Start difference. First operand 8797 states and 12979 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) [2022-11-23 16:08:49,285 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 [] [2022-11-23 16:08:53,124 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 [] [2022-11-23 16:08:55,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:55,728 INFO L93 Difference]: Finished difference Result 25713 states and 38019 transitions. [2022-11-23 16:08:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:08:55,730 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 [2022-11-23 16:08:55,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:55,881 INFO L225 Difference]: With dead ends: 25713 [2022-11-23 16:08:55,881 INFO L226 Difference]: Without dead ends: 17021 [2022-11-23 16:08:55,947 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 [2022-11-23 16:08:55,948 INFO L413 NwaCegarLoop]: 3985 mSDtfsCounter, 3244 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 7133 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:55,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 7133 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-23 16:08:55,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17021 states. [2022-11-23 16:08:56,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17021 to 17019. [2022-11-23 16:08:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17019 states, 10337 states have (on average 1.3319144819580149) internal successors, (13768), 10750 states have internal predecessors, (13768), 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) [2022-11-23 16:08:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17019 states to 17019 states and 25176 transitions. [2022-11-23 16:08:57,056 INFO L78 Accepts]: Start accepts. Automaton has 17019 states and 25176 transitions. Word has length 618 [2022-11-23 16:08:57,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:57,058 INFO L495 AbstractCegarLoop]: Abstraction has 17019 states and 25176 transitions. [2022-11-23 16:08:57,059 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) [2022-11-23 16:08:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 17019 states and 25176 transitions. [2022-11-23 16:08:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-11-23 16:08:57,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:57,098 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] [2022-11-23 16:08:57,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 16:08:57,099 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:08:57,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:57,100 INFO L85 PathProgramCache]: Analyzing trace with hash 202211727, now seen corresponding path program 1 times [2022-11-23 16:08:57,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:57,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419105343] [2022-11-23 16:08:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:57,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-23 16:08:57,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:57,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419105343] [2022-11-23 16:08:57,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419105343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:57,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:57,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:08:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582075832] [2022-11-23 16:08:57,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:57,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:57,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:57,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:57,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:57,984 INFO L87 Difference]: Start difference. First operand 17019 states and 25176 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) [2022-11-23 16:09:00,100 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 [] [2022-11-23 16:09:03,696 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 [] [2022-11-23 16:09:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:07,402 INFO L93 Difference]: Finished difference Result 50033 states and 74226 transitions. [2022-11-23 16:09:07,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:07,403 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 [2022-11-23 16:09:07,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:07,653 INFO L225 Difference]: With dead ends: 50033 [2022-11-23 16:09:07,654 INFO L226 Difference]: Without dead ends: 33119 [2022-11-23 16:09:07,759 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 [2022-11-23 16:09:07,763 INFO L413 NwaCegarLoop]: 4075 mSDtfsCounter, 3241 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:07,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 7223 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1249 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-23 16:09:07,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33119 states. [2022-11-23 16:09:10,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33119 to 33109. [2022-11-23 16:09:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33109 states, 20106 states have (on average 1.3286083756092708) internal successors, (26713), 20927 states have internal predecessors, (26713), 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) [2022-11-23 16:09:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33109 states to 33109 states and 49158 transitions. [2022-11-23 16:09:10,605 INFO L78 Accepts]: Start accepts. Automaton has 33109 states and 49158 transitions. Word has length 621 [2022-11-23 16:09:10,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:10,606 INFO L495 AbstractCegarLoop]: Abstraction has 33109 states and 49158 transitions. [2022-11-23 16:09:10,607 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) [2022-11-23 16:09:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 33109 states and 49158 transitions. [2022-11-23 16:09:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2022-11-23 16:09:10,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:10,633 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] [2022-11-23 16:09:10,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 16:09:10,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:09:10,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:10,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1547169029, now seen corresponding path program 1 times [2022-11-23 16:09:10,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:10,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581675772] [2022-11-23 16:09:10,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-23 16:09:11,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:09:11,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581675772] [2022-11-23 16:09:11,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581675772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:11,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:11,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:09:11,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695801916] [2022-11-23 16:09:11,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:11,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:11,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:09:11,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:11,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:11,480 INFO L87 Difference]: Start difference. First operand 33109 states and 49158 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) [2022-11-23 16:09:13,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:17,498 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 [] [2022-11-23 16:09:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:21,441 INFO L93 Difference]: Finished difference Result 97613 states and 145366 transitions. [2022-11-23 16:09:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:21,446 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 [2022-11-23 16:09:21,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:21,898 INFO L225 Difference]: With dead ends: 97613 [2022-11-23 16:09:21,899 INFO L226 Difference]: Without dead ends: 64609 [2022-11-23 16:09:22,260 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 [2022-11-23 16:09:22,261 INFO L413 NwaCegarLoop]: 4137 mSDtfsCounter, 3243 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 7285 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:22,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 7285 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1283 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-23 16:09:22,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64609 states. [2022-11-23 16:09:26,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64609 to 64607. [2022-11-23 16:09:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64607 states, 39211 states have (on average 1.3245772869857948) internal successors, (51938), 40848 states have internal predecessors, (51938), 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) [2022-11-23 16:09:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64607 states to 64607 states and 96284 transitions. [2022-11-23 16:09:26,908 INFO L78 Accepts]: Start accepts. Automaton has 64607 states and 96284 transitions. Word has length 619 [2022-11-23 16:09:26,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:26,909 INFO L495 AbstractCegarLoop]: Abstraction has 64607 states and 96284 transitions. [2022-11-23 16:09:26,910 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) [2022-11-23 16:09:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 64607 states and 96284 transitions. [2022-11-23 16:09:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2022-11-23 16:09:26,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:26,935 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] [2022-11-23 16:09:26,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 16:09:26,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:09:26,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:26,936 INFO L85 PathProgramCache]: Analyzing trace with hash -325544580, now seen corresponding path program 1 times [2022-11-23 16:09:26,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:26,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603948752] [2022-11-23 16:09:26,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:26,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-23 16:09:28,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:09:28,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603948752] [2022-11-23 16:09:28,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603948752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:28,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:28,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:09:28,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868489453] [2022-11-23 16:09:28,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:28,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:28,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:09:28,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:28,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:28,184 INFO L87 Difference]: Start difference. First operand 64607 states and 96284 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) [2022-11-23 16:09:30,311 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 [] [2022-11-23 16:09:33,965 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 [] [2022-11-23 16:09:41,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:41,099 INFO L93 Difference]: Finished difference Result 190729 states and 285094 transitions. [2022-11-23 16:09:41,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:41,100 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 [2022-11-23 16:09:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:42,425 INFO L225 Difference]: With dead ends: 190729 [2022-11-23 16:09:42,426 INFO L226 Difference]: Without dead ends: 126227 [2022-11-23 16:09:42,843 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 [2022-11-23 16:09:42,845 INFO L413 NwaCegarLoop]: 4172 mSDtfsCounter, 3245 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 7320 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:42,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 7320 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1309 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-23 16:09:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126227 states. [2022-11-23 16:09:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126227 to 126225. [2022-11-23 16:09:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126225 states, 76540 states have (on average 1.3201332636529919) internal successors, (101043), 79809 states have internal predecessors, (101043), 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) [2022-11-23 16:09:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126225 states to 126225 states and 188806 transitions. [2022-11-23 16:09:51,469 INFO L78 Accepts]: Start accepts. Automaton has 126225 states and 188806 transitions. Word has length 617 [2022-11-23 16:09:51,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:51,470 INFO L495 AbstractCegarLoop]: Abstraction has 126225 states and 188806 transitions. [2022-11-23 16:09:51,470 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) [2022-11-23 16:09:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 126225 states and 188806 transitions. [2022-11-23 16:09:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2022-11-23 16:09:51,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:51,490 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] [2022-11-23 16:09:51,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 16:09:51,490 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:09:51,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:51,491 INFO L85 PathProgramCache]: Analyzing trace with hash -490493717, now seen corresponding path program 1 times [2022-11-23 16:09:51,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:51,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114341002] [2022-11-23 16:09:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:51,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-23 16:09:52,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:09:52,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114341002] [2022-11-23 16:09:52,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114341002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:52,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:52,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:09:52,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975155188] [2022-11-23 16:09:52,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:52,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:52,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:09:52,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:52,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:52,224 INFO L87 Difference]: Start difference. First operand 126225 states and 188806 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) [2022-11-23 16:09:54,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:57,363 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 []