./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:27:45,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:27:45,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:27:45,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:27:45,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:27:45,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:27:45,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:27:45,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:27:45,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:27:45,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:27:45,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:27:45,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:27:45,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:27:45,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:27:45,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:27:45,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:27:45,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:27:45,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:27:45,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:27:45,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:27:45,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:27:45,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:27:45,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:27:45,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:27:45,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:27:45,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:27:45,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:27:45,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:27:45,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:27:45,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:27:45,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:27:45,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:27:45,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:27:45,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:27:45,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:27:45,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:27:45,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:27:45,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:27:45,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:27:45,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:27:45,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:27:45,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:27:45,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:27:45,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:27:45,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:27:45,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:27:45,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:27:45,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:27:45,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:27:45,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:27:45,261 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:27:45,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:27:45,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:27:45,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:27:45,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:27:45,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:27:45,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:27:45,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:27:45,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:27:45,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:27:45,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:27:45,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:27:45,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:27:45,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:27:45,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:27:45,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:27:45,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:27:45,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:27:45,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:27:45,265 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:27:45,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:27:45,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:27:45,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:27:45,265 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2021-12-14 18:27:45,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:27:45,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:27:45,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:27:45,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:27:45,452 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:27:45,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-14 18:27:45,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e5c06c/6f610d9261ee4586bb9510242d79c93f/FLAGb95693e01 [2021-12-14 18:27:46,181 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:27:46,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-14 18:27:46,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e5c06c/6f610d9261ee4586bb9510242d79c93f/FLAGb95693e01 [2021-12-14 18:27:46,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9e5c06c/6f610d9261ee4586bb9510242d79c93f [2021-12-14 18:27:46,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:27:46,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:27:46,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:27:46,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:27:46,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:27:46,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:27:46" (1/1) ... [2021-12-14 18:27:46,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376cf0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:46, skipping insertion in model container [2021-12-14 18:27:46,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:27:46" (1/1) ... [2021-12-14 18:27:46,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:27:46,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:27:49,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-12-14 18:27:49,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-12-14 18:27:49,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:27:49,908 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:27:50,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2021-12-14 18:27:50,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2021-12-14 18:27:50,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:27:50,552 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:27:50,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50 WrapperNode [2021-12-14 18:27:50,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:27:50,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:27:50,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:27:50,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:27:50,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:50,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:50,890 INFO L137 Inliner]: procedures = 696, calls = 5980, calls flagged for inlining = 358, calls inlined = 317, statements flattened = 11104 [2021-12-14 18:27:50,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:27:50,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:27:50,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:27:50,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:27:50,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:50,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:50,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:50,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:51,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:51,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:51,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:51,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:27:51,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:27:51,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:27:51,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:27:51,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (1/1) ... [2021-12-14 18:27:51,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:27:51,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:27:51,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:27:51,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:27:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:27:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:27:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-12-14 18:27:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-12-14 18:27:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:27:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:27:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:27:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-12-14 18:27:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-12-14 18:27:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-14 18:27:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-14 18:27:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:27:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:27:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:27:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:27:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:27:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:27:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:27:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 18:27:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 18:27:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:27:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-12-14 18:27:51,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-12-14 18:27:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 18:27:51,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 18:27:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-12-14 18:27:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-12-14 18:27:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 18:27:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 18:27:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:27:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-12-14 18:27:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 18:27:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 18:27:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-14 18:27:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:27:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-12-14 18:27:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-12-14 18:27:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-14 18:27:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-14 18:27:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-12-14 18:27:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-12-14 18:27:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 18:27:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 18:27:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-12-14 18:27:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-12-14 18:27:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:27:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:27:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:27:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:27:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-14 18:27:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-14 18:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-12-14 18:27:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-12-14 18:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:27:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:27:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-12-14 18:27:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-12-14 18:27:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-12-14 18:27:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-12-14 18:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-12-14 18:27:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-12-14 18:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 18:27:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 18:27:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-14 18:27:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-14 18:27:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-12-14 18:27:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-12-14 18:27:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:27:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:27:51,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_120 [2021-12-14 18:27:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_120 [2021-12-14 18:27:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:27:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:27:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 18:27:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 18:27:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-14 18:27:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-14 18:27:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-12-14 18:27:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-12-14 18:27:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-12-14 18:27:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-12-14 18:27:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 18:27:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 18:27:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-14 18:27:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-14 18:27:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-12-14 18:27:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-12-14 18:27:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-12-14 18:27:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-12-14 18:27:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:27:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-14 18:27:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-14 18:27:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 18:27:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 18:27:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:27:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:27:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:27:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-12-14 18:27:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-12-14 18:27:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-14 18:27:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-14 18:27:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2021-12-14 18:27:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2021-12-14 18:27:51,550 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-12-14 18:27:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-12-14 18:27:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:27:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 18:27:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 18:27:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:27:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:27:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 18:27:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 18:27:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-12-14 18:27:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-12-14 18:27:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:27:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:27:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:27:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:27:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-12-14 18:27:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-12-14 18:27:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:27:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:27:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-12-14 18:27:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-12-14 18:27:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-12-14 18:27:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-12-14 18:27:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-14 18:27:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-14 18:27:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:27:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:27:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:27:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:27:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-14 18:27:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-14 18:27:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-12-14 18:27:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-12-14 18:27:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:27:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:27:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-12-14 18:27:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-12-14 18:27:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-14 18:27:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-14 18:27:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:27:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:27:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:27:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:27:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-12-14 18:27:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-12-14 18:27:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:27:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:27:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:27:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:27:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-12-14 18:27:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-12-14 18:27:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-12-14 18:27:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-12-14 18:27:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-12-14 18:27:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-12-14 18:27:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:27:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-12-14 18:27:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-12-14 18:27:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-12-14 18:27:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-12-14 18:27:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:27:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:27:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-12-14 18:27:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-12-14 18:27:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-12-14 18:27:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-12-14 18:27:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:27:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:27:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:27:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:27:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-12-14 18:27:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-12-14 18:27:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-12-14 18:27:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-12-14 18:27:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-12-14 18:27:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-12-14 18:27:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:27:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:27:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:27:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:27:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-12-14 18:27:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-12-14 18:27:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:27:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:27:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-12-14 18:27:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-12-14 18:27:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-12-14 18:27:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-12-14 18:27:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-14 18:27:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-14 18:27:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-12-14 18:27:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-12-14 18:27:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_122 [2021-12-14 18:27:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_122 [2021-12-14 18:27:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-12-14 18:27:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-12-14 18:27:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:27:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-12-14 18:27:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-12-14 18:27:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:27:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:27:52,453 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:27:52,456 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:27:52,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:28:04,645 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:28:04,981 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:28:05,004 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:28:05,005 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 18:28:05,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:28:05 BoogieIcfgContainer [2021-12-14 18:28:05,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:28:05,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:28:05,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:28:05,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:28:05,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:27:46" (1/3) ... [2021-12-14 18:28:05,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b769b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:28:05, skipping insertion in model container [2021-12-14 18:28:05,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:50" (2/3) ... [2021-12-14 18:28:05,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b769b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:28:05, skipping insertion in model container [2021-12-14 18:28:05,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:28:05" (3/3) ... [2021-12-14 18:28:05,017 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-14 18:28:05,021 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:28:05,022 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 18:28:05,086 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:28:05,090 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:28:05,092 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-14 18:28:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 3394 states, 2344 states have (on average 1.2726109215017065) internal successors, (2983), 2386 states have internal predecessors, (2983), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) [2021-12-14 18:28:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-14 18:28:05,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:28:05,178 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:28:05,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:28:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:28:05,185 INFO L85 PathProgramCache]: Analyzing trace with hash -541006017, now seen corresponding path program 1 times [2021-12-14 18:28:05,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:28:05,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398787123] [2021-12-14 18:28:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:28:05,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:28:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:28:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:28:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:28:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:28:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:28:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:28:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:28:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:28:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:28:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:28:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:28:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:28:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:28:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:28:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:28:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:28:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:28:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:28:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:28:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:28:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:28:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 18:28:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-14 18:28:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-14 18:28:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 18:28:06,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:28:06,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398787123] [2021-12-14 18:28:06,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398787123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:28:06,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:28:06,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:28:06,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705706026] [2021-12-14 18:28:06,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:28:06,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:28:06,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:28:06,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:28:06,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:28:06,713 INFO L87 Difference]: Start difference. First operand has 3394 states, 2344 states have (on average 1.2726109215017065) internal successors, (2983), 2386 states have internal predecessors, (2983), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 18:28:13,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:28:16,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:28:16,543 INFO L93 Difference]: Finished difference Result 9621 states and 13792 transitions. [2021-12-14 18:28:16,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:28:16,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 278 [2021-12-14 18:28:16,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:28:16,598 INFO L225 Difference]: With dead ends: 9621 [2021-12-14 18:28:16,598 INFO L226 Difference]: Without dead ends: 6193 [2021-12-14 18:28:16,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:28:16,623 INFO L933 BasicCegarLoop]: 5130 mSDtfsCounter, 4589 mSDsluCounter, 6185 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 2054 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5176 SdHoareTripleChecker+Valid, 11315 SdHoareTripleChecker+Invalid, 4540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2054 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:28:16,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5176 Valid, 11315 Invalid, 4540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2054 Valid, 2485 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-12-14 18:28:16,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6193 states. [2021-12-14 18:28:16,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6193 to 6068. [2021-12-14 18:28:16,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6068 states, 4220 states have (on average 1.2627962085308058) internal successors, (5329), 4295 states have internal predecessors, (5329), 1518 states have call successors, (1518), 328 states have call predecessors, (1518), 328 states have return successors, (1518), 1487 states have call predecessors, (1518), 1518 states have call successors, (1518) [2021-12-14 18:28:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6068 states to 6068 states and 8365 transitions. [2021-12-14 18:28:16,937 INFO L78 Accepts]: Start accepts. Automaton has 6068 states and 8365 transitions. Word has length 278 [2021-12-14 18:28:16,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:28:16,940 INFO L470 AbstractCegarLoop]: Abstraction has 6068 states and 8365 transitions. [2021-12-14 18:28:16,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 18:28:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 6068 states and 8365 transitions. [2021-12-14 18:28:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-14 18:28:16,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:28:16,950 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:28:16,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:28:16,951 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:28:16,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:28:16,952 INFO L85 PathProgramCache]: Analyzing trace with hash -422534720, now seen corresponding path program 1 times [2021-12-14 18:28:16,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:28:16,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055248475] [2021-12-14 18:28:16,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:28:16,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:28:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:28:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:28:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:28:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:28:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:28:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:28:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:28:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:28:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:28:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:28:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:28:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:28:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:28:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:28:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:28:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:28:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:28:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:28:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:28:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:28:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:28:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 18:28:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-14 18:28:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-14 18:28:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 18:28:17,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:28:17,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055248475] [2021-12-14 18:28:17,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055248475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:28:17,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:28:17,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:28:17,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624873568] [2021-12-14 18:28:17,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:28:17,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:28:17,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:28:17,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:28:17,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:28:17,575 INFO L87 Difference]: Start difference. First operand 6068 states and 8365 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 18:28:22,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:28:25,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:28:25,799 INFO L93 Difference]: Finished difference Result 18002 states and 25060 transitions. [2021-12-14 18:28:25,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:28:25,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 279 [2021-12-14 18:28:25,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:28:25,867 INFO L225 Difference]: With dead ends: 18002 [2021-12-14 18:28:25,868 INFO L226 Difference]: Without dead ends: 11981 [2021-12-14 18:28:25,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:28:25,894 INFO L933 BasicCegarLoop]: 5834 mSDtfsCounter, 4782 mSDsluCounter, 6398 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 1868 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 12232 SdHoareTripleChecker+Invalid, 4449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1868 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:28:25,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5412 Valid, 12232 Invalid, 4449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1868 Valid, 2580 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-12-14 18:28:25,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11981 states. [2021-12-14 18:28:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11981 to 11733. [2021-12-14 18:28:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11733 states, 8138 states have (on average 1.2592774637503072) internal successors, (10248), 8291 states have internal predecessors, (10248), 2939 states have call successors, (2939), 654 states have call predecessors, (2939), 654 states have return successors, (2939), 2873 states have call predecessors, (2939), 2939 states have call successors, (2939) [2021-12-14 18:28:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11733 states to 11733 states and 16126 transitions. [2021-12-14 18:28:26,408 INFO L78 Accepts]: Start accepts. Automaton has 11733 states and 16126 transitions. Word has length 279 [2021-12-14 18:28:26,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:28:26,409 INFO L470 AbstractCegarLoop]: Abstraction has 11733 states and 16126 transitions. [2021-12-14 18:28:26,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-14 18:28:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 11733 states and 16126 transitions. [2021-12-14 18:28:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-14 18:28:26,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:28:26,418 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:28:26,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:28:26,419 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:28:26,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:28:26,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1095421352, now seen corresponding path program 1 times [2021-12-14 18:28:26,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:28:26,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336986674] [2021-12-14 18:28:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:28:26,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:28:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:28:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:28:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:28:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:28:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:28:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:28:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:28:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:28:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:28:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:28:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:28:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:28:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:28:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:28:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:28:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:28:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:28:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:28:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:28:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:28:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:28:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 18:28:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-14 18:28:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:28:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:28:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:28:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-14 18:28:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2021-12-14 18:28:26,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:28:26,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336986674] [2021-12-14 18:28:26,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336986674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:28:26,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:28:26,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:28:26,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308205774] [2021-12-14 18:28:26,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:28:26,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:28:26,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:28:26,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:28:26,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:28:26,987 INFO L87 Difference]: Start difference. First operand 11733 states and 16126 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-14 18:28:31,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:28:34,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:28:34,814 INFO L93 Difference]: Finished difference Result 35000 states and 48542 transitions. [2021-12-14 18:28:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:28:34,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2021-12-14 18:28:34,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:28:34,918 INFO L225 Difference]: With dead ends: 35000 [2021-12-14 18:28:34,918 INFO L226 Difference]: Without dead ends: 23314 [2021-12-14 18:28:34,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:28:34,974 INFO L933 BasicCegarLoop]: 6203 mSDtfsCounter, 4943 mSDsluCounter, 6724 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 1792 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5593 SdHoareTripleChecker+Valid, 12927 SdHoareTripleChecker+Invalid, 4309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:28:34,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5593 Valid, 12927 Invalid, 4309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1792 Valid, 2516 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-12-14 18:28:34,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23314 states. [2021-12-14 18:28:35,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23314 to 22844. [2021-12-14 18:28:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22844 states, 15888 states have (on average 1.258119335347432) internal successors, (19989), 16182 states have internal predecessors, (19989), 5682 states have call successors, (5682), 1272 states have call predecessors, (5682), 1272 states have return successors, (5682), 5557 states have call predecessors, (5682), 5682 states have call successors, (5682) [2021-12-14 18:28:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22844 states to 22844 states and 31353 transitions. [2021-12-14 18:28:35,935 INFO L78 Accepts]: Start accepts. Automaton has 22844 states and 31353 transitions. Word has length 306 [2021-12-14 18:28:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:28:35,936 INFO L470 AbstractCegarLoop]: Abstraction has 22844 states and 31353 transitions. [2021-12-14 18:28:35,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-14 18:28:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 22844 states and 31353 transitions. [2021-12-14 18:28:35,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-14 18:28:35,945 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:28:35,945 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:28:35,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:28:35,946 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:28:35,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:28:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash 963898604, now seen corresponding path program 1 times [2021-12-14 18:28:35,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:28:35,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241106988] [2021-12-14 18:28:35,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:28:35,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:28:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:28:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:28:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:28:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:28:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:28:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:28:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:28:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:28:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:28:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:28:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:28:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:28:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:28:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:28:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:28:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:28:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:28:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:28:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:28:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:28:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:28:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:28:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 18:28:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-14 18:28:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:28:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 18:28:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:28:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:28:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:28:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-14 18:28:36,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:28:36,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241106988] [2021-12-14 18:28:36,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241106988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:28:36,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:28:36,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:28:36,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661015225] [2021-12-14 18:28:36,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:28:36,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:28:36,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:28:36,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:28:36,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:28:36,457 INFO L87 Difference]: Start difference. First operand 22844 states and 31353 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-14 18:28:42,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:28:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:28:44,262 INFO L93 Difference]: Finished difference Result 63054 states and 87366 transitions. [2021-12-14 18:28:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:28:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 305 [2021-12-14 18:28:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:28:44,444 INFO L225 Difference]: With dead ends: 63054 [2021-12-14 18:28:44,444 INFO L226 Difference]: Without dead ends: 40257 [2021-12-14 18:28:44,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:28:44,521 INFO L933 BasicCegarLoop]: 5104 mSDtfsCounter, 4376 mSDsluCounter, 6143 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 1914 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4887 SdHoareTripleChecker+Valid, 11247 SdHoareTripleChecker+Invalid, 4304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1914 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:28:44,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4887 Valid, 11247 Invalid, 4304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1914 Valid, 2389 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2021-12-14 18:28:44,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40257 states. [2021-12-14 18:28:45,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40257 to 39599. [2021-12-14 18:28:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39599 states, 27370 states have (on average 1.2504567044208987) internal successors, (34225), 27891 states have internal predecessors, (34225), 9878 states have call successors, (9878), 2317 states have call predecessors, (9878), 2349 states have return successors, (10446), 9654 states have call predecessors, (10446), 9878 states have call successors, (10446) [2021-12-14 18:28:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39599 states to 39599 states and 54549 transitions. [2021-12-14 18:28:46,040 INFO L78 Accepts]: Start accepts. Automaton has 39599 states and 54549 transitions. Word has length 305 [2021-12-14 18:28:46,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:28:46,041 INFO L470 AbstractCegarLoop]: Abstraction has 39599 states and 54549 transitions. [2021-12-14 18:28:46,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-14 18:28:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 39599 states and 54549 transitions. [2021-12-14 18:28:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-14 18:28:46,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:28:46,053 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:28:46,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:28:46,054 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:28:46,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:28:46,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1382511825, now seen corresponding path program 1 times [2021-12-14 18:28:46,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:28:46,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426455335] [2021-12-14 18:28:46,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:28:46,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:28:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat