./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.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 ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 13:07:35,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:07:35,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:07:35,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:07:35,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:07:35,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:07:35,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:07:35,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:07:35,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:07:35,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:07:35,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:07:35,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:07:35,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:07:35,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:07:35,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:07:35,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:07:35,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:07:35,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:07:35,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:07:35,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:07:35,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:07:35,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:07:35,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:07:35,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:07:35,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:07:35,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:07:35,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:07:35,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:07:35,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:07:35,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:07:35,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:07:35,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:07:35,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:07:35,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:07:35,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:07:35,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:07:35,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:07:35,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:07:35,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:07:35,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:07:35,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:07:35,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:07:35,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:07:35,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:07:35,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:07:35,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:07:35,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:07:35,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:07:35,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:07:35,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:07:35,376 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:07:35,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:07:35,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:07:35,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:07:35,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:07:35,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:07:35,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:07:35,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:07:35,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:07:35,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:07:35,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:07:35,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:07:35,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:07:35,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:07:35,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:07:35,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:07:35,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:07:35,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:07:35,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:07:35,379 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:07:35,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:07:35,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:07:35,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:07:35,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2021-12-18 13:07:35,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:07:35,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:07:35,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:07:35,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:07:35,617 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:07:35,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-18 13:07:35,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87fd383e/641613e9af034b48a3a627704e45c06f/FLAGdf67c20a7 [2021-12-18 13:07:36,389 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:07:36,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-18 13:07:36,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87fd383e/641613e9af034b48a3a627704e45c06f/FLAGdf67c20a7 [2021-12-18 13:07:36,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87fd383e/641613e9af034b48a3a627704e45c06f [2021-12-18 13:07:36,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:07:36,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:07:36,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:07:36,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:07:36,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:07:36,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:07:36" (1/1) ... [2021-12-18 13:07:36,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605337f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:36, skipping insertion in model container [2021-12-18 13:07:36,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:07:36" (1/1) ... [2021-12-18 13:07:36,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:07:36,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:07:39,359 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-12-18 13:07:39,361 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-12-18 13:07:39,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:07:39,440 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:07:39,774 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-12-18 13:07:39,775 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-12-18 13:07:39,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:07:39,987 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:07:39,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39 WrapperNode [2021-12-18 13:07:39,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:07:39,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:07:39,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:07:39,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:07:39,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,330 INFO L137 Inliner]: procedures = 567, calls = 4460, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9108 [2021-12-18 13:07:40,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:07:40,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:07:40,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:07:40,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:07:40,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:07:40,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:07:40,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:07:40,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:07:40,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (1/1) ... [2021-12-18 13:07:40,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:07:40,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:07:40,666 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) [2021-12-18 13:07:40,674 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 [2021-12-18 13:07:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 13:07:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 13:07:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:07:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:07:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 13:07:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 13:07:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-18 13:07:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-18 13:07:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-18 13:07:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-18 13:07:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 13:07:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 13:07:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-12-18 13:07:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-12-18 13:07:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:07:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:07:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 13:07:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 13:07:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-18 13:07:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-18 13:07:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-18 13:07:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-18 13:07:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-18 13:07:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-18 13:07:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-18 13:07:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-18 13:07:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 13:07:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 13:07:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-18 13:07:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-18 13:07:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-18 13:07:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-18 13:07:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-18 13:07:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-18 13:07:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 13:07:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 13:07:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 13:07:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 13:07:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:07:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:07:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-18 13:07:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-18 13:07:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-18 13:07:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-18 13:07:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-18 13:07:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-18 13:07:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 13:07:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 13:07:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:07:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:07:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 13:07:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 13:07:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 13:07:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 13:07:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 13:07:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 13:07:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-18 13:07:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-18 13:07:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 13:07:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 13:07:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:07:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:07:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-18 13:07:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-18 13:07:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 13:07:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 13:07:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 13:07:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 13:07:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:07:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-18 13:07:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-18 13:07:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 13:07:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 13:07:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 13:07:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 13:07:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-12-18 13:07:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-12-18 13:07:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 13:07:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 13:07:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-18 13:07:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-18 13:07:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 13:07:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-18 13:07:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-18 13:07:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 13:07:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 13:07:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-18 13:07:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-18 13:07:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 13:07:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 13:07:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 13:07:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 13:07:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 13:07:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 13:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-12-18 13:07:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-12-18 13:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:07:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-18 13:07:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-18 13:07:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-18 13:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-18 13:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 13:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 13:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 13:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 13:07:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 13:07:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 13:07:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 13:07:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 13:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 13:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 13:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 13:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 13:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-18 13:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-18 13:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-12-18 13:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-12-18 13:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-18 13:07:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-18 13:07:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 13:07:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 13:07:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 13:07:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:07:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:07:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:07:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 13:07:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 13:07:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:07:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-18 13:07:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-18 13:07:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:07:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:07:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 13:07:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 13:07:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:07:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:07:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:07:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:07:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 13:07:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 13:07:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-18 13:07:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-18 13:07:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 13:07:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 13:07:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-18 13:07:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-18 13:07:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-18 13:07:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-18 13:07:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 13:07:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 13:07:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-18 13:07:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-18 13:07:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-18 13:07:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-18 13:07:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 13:07:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 13:07:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-18 13:07:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-18 13:07:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 13:07:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 13:07:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 13:07:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 13:07:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-18 13:07:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-18 13:07:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 13:07:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 13:07:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-18 13:07:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-18 13:07:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-18 13:07:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-18 13:07:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 13:07:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 13:07:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-18 13:07:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-18 13:07:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-18 13:07:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-18 13:07:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-18 13:07:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-18 13:07:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-18 13:07:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-18 13:07:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-18 13:07:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-18 13:07:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:07:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:07:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-18 13:07:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-18 13:07:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 13:07:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 13:07:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:07:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:07:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 13:07:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 13:07:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-18 13:07:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-18 13:07:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 13:07:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 13:07:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 13:07:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 13:07:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 13:07:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 13:07:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 13:07:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 13:07:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-18 13:07:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-18 13:07:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:07:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-12-18 13:07:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-12-18 13:07:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-18 13:07:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-18 13:07:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 13:07:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 13:07:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:07:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-18 13:07:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-18 13:07:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-18 13:07:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-18 13:07:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:07:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:07:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:07:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 13:07:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 13:07:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 13:07:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 13:07:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:07:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:07:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 13:07:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 13:07:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-18 13:07:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-18 13:07:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-18 13:07:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-18 13:07:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-18 13:07:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-18 13:07:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-18 13:07:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-18 13:07:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 13:07:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 13:07:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-18 13:07:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-18 13:07:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-12-18 13:07:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-12-18 13:07:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 13:07:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 13:07:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 13:07:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 13:07:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 13:07:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 13:07:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-12-18 13:07:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-12-18 13:07:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 13:07:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 13:07:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-18 13:07:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-18 13:07:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:07:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-18 13:07:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-18 13:07:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-18 13:07:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-18 13:07:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 13:07:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 13:07:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:07:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:07:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-18 13:07:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-18 13:07:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-18 13:07:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-18 13:07:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:07:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:07:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-18 13:07:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-18 13:07:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 13:07:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 13:07:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-18 13:07:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-18 13:07:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-18 13:07:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-18 13:07:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:07:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:07:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 13:07:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 13:07:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 13:07:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 13:07:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 13:07:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 13:07:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-18 13:07:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-18 13:07:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 13:07:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 13:07:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-12-18 13:07:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-12-18 13:07:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-18 13:07:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-18 13:07:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:07:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:07:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:07:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 13:07:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 13:07:41,468 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:07:41,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:07:42,406 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:07:45,396 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:07:45,451 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:07:45,465 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:07:45,466 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 13:07:45,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:07:45 BoogieIcfgContainer [2021-12-18 13:07:45,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:07:45,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:07:45,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:07:45,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:07:45,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:07:36" (1/3) ... [2021-12-18 13:07:45,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdad18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:07:45, skipping insertion in model container [2021-12-18 13:07:45,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:07:39" (2/3) ... [2021-12-18 13:07:45,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdad18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:07:45, skipping insertion in model container [2021-12-18 13:07:45,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:07:45" (3/3) ... [2021-12-18 13:07:45,476 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-18 13:07:45,479 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:07:45,479 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 13:07:45,516 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:07:45,520 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 [2021-12-18 13:07:45,520 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 13:07:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2021-12-18 13:07:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-18 13:07:45,594 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:07:45,595 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:07:45,595 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:07:45,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:07:45,599 INFO L85 PathProgramCache]: Analyzing trace with hash 42962448, now seen corresponding path program 1 times [2021-12-18 13:07:45,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:07:45,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108664741] [2021-12-18 13:07:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:07:45,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:07:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:07:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:07:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:07:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:07:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:07:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:07:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:07:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:07:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:07:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:07:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:07:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:07:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:07:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:07:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:07:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:07:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:07:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:07:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 13:07:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 13:07:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 13:07:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 13:07:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-18 13:07:46,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:07:46,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108664741] [2021-12-18 13:07:46,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108664741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:07:46,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:07:46,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:07:46,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593862976] [2021-12-18 13:07:46,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:07:46,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:07:46,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:07:46,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:07:46,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:07:46,667 INFO L87 Difference]: Start difference. First operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 13:07:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:07:51,503 INFO L93 Difference]: Finished difference Result 9171 states and 13461 transitions. [2021-12-18 13:07:51,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:07:51,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 256 [2021-12-18 13:07:51,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:07:51,566 INFO L225 Difference]: With dead ends: 9171 [2021-12-18 13:07:51,567 INFO L226 Difference]: Without dead ends: 5974 [2021-12-18 13:07:51,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:07:51,589 INFO L933 BasicCegarLoop]: 4769 mSDtfsCounter, 4919 mSDsluCounter, 5561 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5616 SdHoareTripleChecker+Valid, 10330 SdHoareTripleChecker+Invalid, 4867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 13:07:51,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5616 Valid, 10330 Invalid, 4867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2260 Valid, 2607 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 13:07:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5974 states. [2021-12-18 13:07:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5974 to 5931. [2021-12-18 13:07:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5931 states, 4158 states have (on average 1.3369408369408369) internal successors, (5559), 4292 states have internal predecessors, (5559), 1479 states have call successors, (1479), 293 states have call predecessors, (1479), 293 states have return successors, (1479), 1448 states have call predecessors, (1479), 1479 states have call successors, (1479) [2021-12-18 13:07:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5931 states to 5931 states and 8517 transitions. [2021-12-18 13:07:51,852 INFO L78 Accepts]: Start accepts. Automaton has 5931 states and 8517 transitions. Word has length 256 [2021-12-18 13:07:51,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:07:51,855 INFO L470 AbstractCegarLoop]: Abstraction has 5931 states and 8517 transitions. [2021-12-18 13:07:51,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 13:07:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5931 states and 8517 transitions. [2021-12-18 13:07:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-18 13:07:51,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:07:51,868 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:07:51,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:07:51,868 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:07:51,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:07:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash -39351180, now seen corresponding path program 1 times [2021-12-18 13:07:51,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:07:51,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921148605] [2021-12-18 13:07:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:07:51,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:07:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:07:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:07:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:07:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:07:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:07:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:07:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:07:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:07:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:07:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:07:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:07:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:07:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:07:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:07:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:07:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:07:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:07:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:07:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 13:07:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 13:07:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 13:07:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 13:07:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-18 13:07:52,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:07:52,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921148605] [2021-12-18 13:07:52,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921148605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:07:52,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:07:52,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:07:52,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372780157] [2021-12-18 13:07:52,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:07:52,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:07:52,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:07:52,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:07:52,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:07:52,461 INFO L87 Difference]: Start difference. First operand 5931 states and 8517 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 13:07:56,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:07:56,731 INFO L93 Difference]: Finished difference Result 17383 states and 25061 transitions. [2021-12-18 13:07:56,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:07:56,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2021-12-18 13:07:56,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:07:56,800 INFO L225 Difference]: With dead ends: 17383 [2021-12-18 13:07:56,800 INFO L226 Difference]: Without dead ends: 11491 [2021-12-18 13:07:56,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:07:56,834 INFO L933 BasicCegarLoop]: 5543 mSDtfsCounter, 4500 mSDsluCounter, 5852 mSDsCounter, 0 mSdLazyCounter, 2587 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5163 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 4497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 2587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-18 13:07:56,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5163 Valid, 11395 Invalid, 4497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 2587 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-18 13:07:56,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2021-12-18 13:07:57,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 11407. [2021-12-18 13:07:57,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11407 states, 7979 states have (on average 1.3368843213435269) internal successors, (10667), 8247 states have internal predecessors, (10667), 2850 states have call successors, (2850), 577 states have call predecessors, (2850), 577 states have return successors, (2850), 2787 states have call predecessors, (2850), 2850 states have call successors, (2850) [2021-12-18 13:07:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11407 states to 11407 states and 16367 transitions. [2021-12-18 13:07:57,344 INFO L78 Accepts]: Start accepts. Automaton has 11407 states and 16367 transitions. Word has length 257 [2021-12-18 13:07:57,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:07:57,346 INFO L470 AbstractCegarLoop]: Abstraction has 11407 states and 16367 transitions. [2021-12-18 13:07:57,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 13:07:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 11407 states and 16367 transitions. [2021-12-18 13:07:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 13:07:57,355 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:07:57,356 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2021-12-18 13:07:57,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:07:57,356 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:07:57,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:07:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash -606614164, now seen corresponding path program 1 times [2021-12-18 13:07:57,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:07:57,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640967985] [2021-12-18 13:07:57,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:07:57,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:07:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:07:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:07:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:07:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:07:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:07:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:07:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:07:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:07:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:07:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:07:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:07:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:07:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:07:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:07:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:07:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:07:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:07:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:07:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 13:07:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:07:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 13:07:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:07:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:07:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:07:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:07:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 13:07:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 13:07:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:07:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-12-18 13:07:57,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:07:57,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640967985] [2021-12-18 13:07:57,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640967985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:07:57,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:07:57,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:07:57,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382739385] [2021-12-18 13:07:57,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:07:57,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:07:57,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:07:57,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:07:57,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:07:57,892 INFO L87 Difference]: Start difference. First operand 11407 states and 16367 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-18 13:08:01,842 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 [] [2021-12-18 13:08:08,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:08,532 INFO L93 Difference]: Finished difference Result 33867 states and 48869 transitions. [2021-12-18 13:08:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:08:08,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 268 [2021-12-18 13:08:08,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:08,654 INFO L225 Difference]: With dead ends: 33867 [2021-12-18 13:08:08,654 INFO L226 Difference]: Without dead ends: 22499 [2021-12-18 13:08:08,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:08:08,708 INFO L933 BasicCegarLoop]: 4219 mSDtfsCounter, 7979 mSDsluCounter, 4446 mSDsCounter, 0 mSdLazyCounter, 5764 mSolverCounterSat, 5115 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8465 SdHoareTripleChecker+Valid, 8665 SdHoareTripleChecker+Invalid, 10880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5115 IncrementalHoareTripleChecker+Valid, 5764 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:08,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8465 Valid, 8665 Invalid, 10880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5115 Valid, 5764 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2021-12-18 13:08:08,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22499 states. [2021-12-18 13:08:09,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22499 to 22333. [2021-12-18 13:08:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22333 states, 15609 states have (on average 1.3354474982381959) internal successors, (20845), 16157 states have internal predecessors, (20845), 5571 states have call successors, (5571), 1146 states have call predecessors, (5571), 1152 states have return successors, (5754), 5419 states have call predecessors, (5754), 5571 states have call successors, (5754) [2021-12-18 13:08:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22333 states to 22333 states and 32170 transitions. [2021-12-18 13:08:09,505 INFO L78 Accepts]: Start accepts. Automaton has 22333 states and 32170 transitions. Word has length 268 [2021-12-18 13:08:09,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:09,506 INFO L470 AbstractCegarLoop]: Abstraction has 22333 states and 32170 transitions. [2021-12-18 13:08:09,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-18 13:08:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 22333 states and 32170 transitions. [2021-12-18 13:08:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-12-18 13:08:09,516 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:09,516 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:08:09,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:08:09,517 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:09,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:09,517 INFO L85 PathProgramCache]: Analyzing trace with hash -841935553, now seen corresponding path program 1 times [2021-12-18 13:08:09,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:09,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879718895] [2021-12-18 13:08:09,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:09,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:08:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:08:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 13:08:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:08:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:08:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:08:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:08:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 13:08:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 13:08:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2021-12-18 13:08:09,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:09,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879718895] [2021-12-18 13:08:09,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879718895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:09,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:09,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:08:09,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470184843] [2021-12-18 13:08:09,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:09,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:08:09,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:09,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:08:09,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:08:09,965 INFO L87 Difference]: Start difference. First operand 22333 states and 32170 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 13:08:14,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:14,744 INFO L93 Difference]: Finished difference Result 66446 states and 95966 transitions. [2021-12-18 13:08:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:08:14,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2021-12-18 13:08:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:14,941 INFO L225 Difference]: With dead ends: 66446 [2021-12-18 13:08:14,941 INFO L226 Difference]: Without dead ends: 44152 [2021-12-18 13:08:15,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:08:15,032 INFO L933 BasicCegarLoop]: 5713 mSDtfsCounter, 4580 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 1897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5263 SdHoareTripleChecker+Valid, 11682 SdHoareTripleChecker+Invalid, 4415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1897 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:15,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5263 Valid, 11682 Invalid, 4415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1897 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 13:08:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44152 states. [2021-12-18 13:08:16,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44152 to 43846. [2021-12-18 13:08:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43846 states, 30654 states have (on average 1.3342467540940823) internal successors, (40900), 31755 states have internal predecessors, (40900), 10915 states have call successors, (10915), 2264 states have call predecessors, (10915), 2276 states have return successors, (11271), 10605 states have call predecessors, (11271), 10915 states have call successors, (11271) [2021-12-18 13:08:16,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43846 states to 43846 states and 63086 transitions. [2021-12-18 13:08:16,708 INFO L78 Accepts]: Start accepts. Automaton has 43846 states and 63086 transitions. Word has length 284 [2021-12-18 13:08:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:16,709 INFO L470 AbstractCegarLoop]: Abstraction has 43846 states and 63086 transitions. [2021-12-18 13:08:16,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 13:08:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 43846 states and 63086 transitions. [2021-12-18 13:08:16,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-18 13:08:16,724 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:16,724 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:08:16,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 13:08:16,724 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:16,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:16,725 INFO L85 PathProgramCache]: Analyzing trace with hash -787119362, now seen corresponding path program 1 times [2021-12-18 13:08:16,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:16,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858408034] [2021-12-18 13:08:16,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:16,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:08:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:08:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 13:08:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:08:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 13:08:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:08:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:08:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 13:08:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 13:08:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 13:08:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 13:08:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-18 13:08:17,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:17,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858408034] [2021-12-18 13:08:17,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858408034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:17,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:17,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:08:17,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430289690] [2021-12-18 13:08:17,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:17,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:08:17,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:17,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:08:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:08:17,437 INFO L87 Difference]: Start difference. First operand 43846 states and 63086 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 13:08:22,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:22,395 INFO L93 Difference]: Finished difference Result 103875 states and 148769 transitions. [2021-12-18 13:08:22,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:08:22,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 304 [2021-12-18 13:08:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:22,713 INFO L225 Difference]: With dead ends: 103875 [2021-12-18 13:08:22,713 INFO L226 Difference]: Without dead ends: 60068 [2021-12-18 13:08:22,933 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 [2021-12-18 13:08:22,934 INFO L933 BasicCegarLoop]: 5026 mSDtfsCounter, 4050 mSDsluCounter, 5665 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 1805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4647 SdHoareTripleChecker+Valid, 10691 SdHoareTripleChecker+Invalid, 4156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:22,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4647 Valid, 10691 Invalid, 4156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 2351 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 13:08:22,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60068 states. [2021-12-18 13:08:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60068 to 59714. [2021-12-18 13:08:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59714 states, 41510 states have (on average 1.3287159720549264) internal successors, (55155), 42932 states have internal predecessors, (55155), 14723 states have call successors, (14723), 3468 states have call predecessors, (14723), 3480 states have return successors, (15099), 14336 states have call predecessors, (15099), 14723 states have call successors, (15099) [2021-12-18 13:08:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59714 states to 59714 states and 84977 transitions. [2021-12-18 13:08:24,971 INFO L78 Accepts]: Start accepts. Automaton has 59714 states and 84977 transitions. Word has length 304 [2021-12-18 13:08:24,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:24,972 INFO L470 AbstractCegarLoop]: Abstraction has 59714 states and 84977 transitions. [2021-12-18 13:08:24,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 13:08:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 59714 states and 84977 transitions. [2021-12-18 13:08:24,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-12-18 13:08:24,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:24,986 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:08:24,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 13:08:24,986 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:24,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash -459163670, now seen corresponding path program 1 times [2021-12-18 13:08:24,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:24,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500978511] [2021-12-18 13:08:24,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:24,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:08:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:08:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 13:08:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 13:08:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 13:08:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 13:08:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 13:08:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 13:08:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:08:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:08:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 13:08:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 13:08:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 13:08:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 13:08:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2021-12-18 13:08:25,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:25,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500978511] [2021-12-18 13:08:25,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500978511] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:25,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:25,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:08:25,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879454635] [2021-12-18 13:08:25,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:25,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:08:25,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:25,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:08:25,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:08:25,620 INFO L87 Difference]: Start difference. First operand 59714 states and 84977 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-18 13:08:35,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:35,245 INFO L93 Difference]: Finished difference Result 165296 states and 235226 transitions. [2021-12-18 13:08:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:08:35,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 328 [2021-12-18 13:08:35,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:35,742 INFO L225 Difference]: With dead ends: 165296 [2021-12-18 13:08:35,742 INFO L226 Difference]: Without dead ends: 105621 [2021-12-18 13:08:35,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:08:35,929 INFO L933 BasicCegarLoop]: 4135 mSDtfsCounter, 7627 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 5749 mSolverCounterSat, 4982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8121 SdHoareTripleChecker+Valid, 8479 SdHoareTripleChecker+Invalid, 10731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4982 IncrementalHoareTripleChecker+Valid, 5749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:35,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8121 Valid, 8479 Invalid, 10731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4982 Valid, 5749 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-18 13:08:36,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105621 states. [2021-12-18 13:08:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105621 to 104905. [2021-12-18 13:08:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104905 states, 72744 states have (on average 1.3273809523809523) internal successors, (96559), 75153 states have internal predecessors, (96559), 25736 states have call successors, (25736), 6414 states have call predecessors, (25736), 6424 states have return successors, (26444), 25032 states have call predecessors, (26444), 25736 states have call successors, (26444) [2021-12-18 13:08:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104905 states to 104905 states and 148739 transitions. [2021-12-18 13:08:39,535 INFO L78 Accepts]: Start accepts. Automaton has 104905 states and 148739 transitions. Word has length 328 [2021-12-18 13:08:39,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:39,536 INFO L470 AbstractCegarLoop]: Abstraction has 104905 states and 148739 transitions. [2021-12-18 13:08:39,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-18 13:08:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 104905 states and 148739 transitions. [2021-12-18 13:08:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-18 13:08:39,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:39,546 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:08:39,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 13:08:39,547 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:39,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:39,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1069458635, now seen corresponding path program 1 times [2021-12-18 13:08:39,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:39,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142608613] [2021-12-18 13:08:39,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:39,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:08:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:08:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 13:08:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 13:08:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-18 13:08:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 13:08:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 13:08:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:08:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 13:08:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 13:08:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 13:08:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 13:08:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 13:08:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1549 trivial. 0 not checked. [2021-12-18 13:08:39,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:39,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142608613] [2021-12-18 13:08:39,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142608613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:39,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:39,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:08:39,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116429692] [2021-12-18 13:08:39,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:39,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:08:39,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:39,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:08:39,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:08:39,992 INFO L87 Difference]: Start difference. First operand 104905 states and 148739 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 13:08:47,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:08:47,248 INFO L93 Difference]: Finished difference Result 256550 states and 364204 transitions. [2021-12-18 13:08:47,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:08:47,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2021-12-18 13:08:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:08:47,916 INFO L225 Difference]: With dead ends: 256550 [2021-12-18 13:08:47,916 INFO L226 Difference]: Without dead ends: 151803 [2021-12-18 13:08:48,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:08:48,207 INFO L933 BasicCegarLoop]: 8044 mSDtfsCounter, 4048 mSDsluCounter, 7362 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 1413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4719 SdHoareTripleChecker+Valid, 15406 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 13:08:48,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4719 Valid, 15406 Invalid, 3974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1413 Valid, 2561 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 13:08:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151803 states. [2021-12-18 13:08:52,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151803 to 150813. [2021-12-18 13:08:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150813 states, 104455 states have (on average 1.324742712172706) internal successors, (138376), 107905 states have internal predecessors, (138376), 36995 states have call successors, (36995), 9350 states have call predecessors, (36995), 9362 states have return successors, (37979), 35979 states have call predecessors, (37979), 36995 states have call successors, (37979) [2021-12-18 13:08:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150813 states to 150813 states and 213350 transitions. [2021-12-18 13:08:53,459 INFO L78 Accepts]: Start accepts. Automaton has 150813 states and 213350 transitions. Word has length 327 [2021-12-18 13:08:53,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:08:53,461 INFO L470 AbstractCegarLoop]: Abstraction has 150813 states and 213350 transitions. [2021-12-18 13:08:53,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 13:08:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 150813 states and 213350 transitions. [2021-12-18 13:08:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-12-18 13:08:53,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:08:53,479 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 6, 6, 6, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:08:53,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 13:08:53,479 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:08:53,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:08:53,480 INFO L85 PathProgramCache]: Analyzing trace with hash 178455778, now seen corresponding path program 1 times [2021-12-18 13:08:53,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:08:53,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318454377] [2021-12-18 13:08:53,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:08:53,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:08:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:08:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:08:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:08:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:08:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:08:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:08:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:08:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:08:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:08:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:08:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:08:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:08:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:08:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:08:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:08:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:08:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:08:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 13:08:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 13:08:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 13:08:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-18 13:08:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 13:08:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:08:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 13:08:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 13:08:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 13:08:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 13:08:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:08:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:08:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 13:08:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 13:08:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 13:08:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 13:08:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:08:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2021-12-18 13:08:53,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:08:53,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318454377] [2021-12-18 13:08:53,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318454377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:08:53,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:08:53,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:08:53,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427217413] [2021-12-18 13:08:53,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:08:53,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:08:53,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:08:53,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:08:53,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:08:53,924 INFO L87 Difference]: Start difference. First operand 150813 states and 213350 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 13:09:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:09:03,793 INFO L93 Difference]: Finished difference Result 402299 states and 571653 transitions. [2021-12-18 13:09:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:09:03,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 365 [2021-12-18 13:09:03,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted.