./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.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 a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:38:15,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:38:15,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:38:15,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:38:15,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:38:15,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:38:15,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:38:15,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:38:15,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:38:15,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:38:15,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:38:15,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:38:15,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:38:15,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:38:15,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:38:15,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:38:15,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:38:15,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:38:15,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:38:15,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:38:15,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:38:15,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:38:15,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:38:15,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:38:15,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:38:15,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:38:15,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:38:15,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:38:15,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:38:15,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:38:15,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:38:15,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:38:15,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:38:15,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:38:15,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:38:15,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:38:15,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:38:15,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:38:15,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:38:15,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:38:15,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:38:15,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:38:15,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:38:15,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:38:15,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:38:15,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:38:15,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:38:15,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:38:15,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:38:15,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:38:15,222 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:38:15,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:38:15,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:38:15,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:38:15,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:38:15,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:38:15,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:38:15,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:38:15,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:38:15,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:38:15,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:38:15,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:38:15,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:38:15,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:15,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:38:15,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:38:15,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:38:15,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:38:15,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:38:15,226 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:38:15,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:38:15,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:38:15,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:38:15,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 [2021-12-16 04:38:15,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:38:15,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:38:15,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:38:15,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:38:15,440 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:38:15,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2021-12-16 04:38:15,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/541facea5/15f3450635c745748e071bf687a5aab4/FLAG5da8f9fa5 [2021-12-16 04:38:16,221 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:38:16,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2021-12-16 04:38:16,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/541facea5/15f3450635c745748e071bf687a5aab4/FLAG5da8f9fa5 [2021-12-16 04:38:16,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/541facea5/15f3450635c745748e071bf687a5aab4 [2021-12-16 04:38:16,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:38:16,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:38:16,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:16,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:38:16,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:38:16,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:16" (1/1) ... [2021-12-16 04:38:16,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313fb663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:16, skipping insertion in model container [2021-12-16 04:38:16,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:16" (1/1) ... [2021-12-16 04:38:16,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:38:16,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:38:19,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2021-12-16 04:38:19,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:19,484 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:38:19,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2021-12-16 04:38:19,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:20,070 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:38:20,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20 WrapperNode [2021-12-16 04:38:20,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:20,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:20,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:38:20,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:38:20,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,433 INFO L137 Inliner]: procedures = 426, calls = 3809, calls flagged for inlining = 222, calls inlined = 215, statements flattened = 9873 [2021-12-16 04:38:20,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:20,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:38:20,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:38:20,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:38:20,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:38:20,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:38:20,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:38:20,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:38:20,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (1/1) ... [2021-12-16 04:38:20,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:20,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:38:20,847 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) [2021-12-16 04:38:20,868 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 [2021-12-16 04:38:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-16 04:38:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:38:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:38:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 04:38:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 04:38:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-16 04:38:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-16 04:38:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:38:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:38:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-16 04:38:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-16 04:38:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-12-16 04:38:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-12-16 04:38:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:38:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:38:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-16 04:38:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-16 04:38:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-16 04:38:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-16 04:38:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-16 04:38:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-16 04:38:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:38:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:38:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-12-16 04:38:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-12-16 04:38:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-12-16 04:38:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-12-16 04:38:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-16 04:38:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-16 04:38:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-16 04:38:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-16 04:38:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:38:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:38:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-12-16 04:38:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-12-16 04:38:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-16 04:38:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-16 04:38:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 04:38:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-16 04:38:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-16 04:38:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:38:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:38:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-16 04:38:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-16 04:38:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:38:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:38:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:38:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-12-16 04:38:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-12-16 04:38:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-12-16 04:38:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-12-16 04:38:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-16 04:38:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-16 04:38:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-16 04:38:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-16 04:38:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:38:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:38:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-12-16 04:38:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-12-16 04:38:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:38:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:38:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:38:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:38:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-16 04:38:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-16 04:38:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-12-16 04:38:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-12-16 04:38:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-12-16 04:38:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-12-16 04:38:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:38:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-12-16 04:38:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-12-16 04:38:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-12-16 04:38:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-12-16 04:38:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:38:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:38:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-12-16 04:38:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-12-16 04:38:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:38:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-16 04:38:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-16 04:38:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-16 04:38:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-16 04:38:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-12-16 04:38:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-12-16 04:38:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:38:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-16 04:38:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-16 04:38:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:38:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:38:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-16 04:38:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-16 04:38:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:38:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:38:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-12-16 04:38:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-12-16 04:38:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-16 04:38:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-16 04:38:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 04:38:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 04:38:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:38:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:38:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-16 04:38:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-16 04:38:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-12-16 04:38:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-12-16 04:38:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-12-16 04:38:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-12-16 04:38:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-16 04:38:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-16 04:38:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:38:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:38:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-12-16 04:38:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-12-16 04:38:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-16 04:38:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-16 04:38:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:38:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-16 04:38:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-16 04:38:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:38:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-16 04:38:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-16 04:38:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:38:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-12-16 04:38:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-12-16 04:38:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:38:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-12-16 04:38:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-12-16 04:38:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-16 04:38:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-16 04:38:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-12-16 04:38:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-12-16 04:38:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-12-16 04:38:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-12-16 04:38:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-12-16 04:38:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-12-16 04:38:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:38:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:38:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-16 04:38:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-16 04:38:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-12-16 04:38:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-12-16 04:38:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-12-16 04:38:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-12-16 04:38:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_compat_ioctl [2021-12-16 04:38:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_compat_ioctl [2021-12-16 04:38:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:38:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:38:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:38:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:38:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-12-16 04:38:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-12-16 04:38:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-16 04:38:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-16 04:38:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:38:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:38:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:38:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:38:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-16 04:38:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-16 04:38:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:38:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:38:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:38:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:38:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 04:38:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 04:38:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 04:38:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 04:38:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-16 04:38:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-16 04:38:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-12-16 04:38:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-12-16 04:38:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-16 04:38:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-16 04:38:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:38:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:38:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:38:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:38:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-16 04:38:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-16 04:38:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:38:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:38:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:38:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:38:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 04:38:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 04:38:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-16 04:38:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-16 04:38:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-16 04:38:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-16 04:38:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-16 04:38:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-16 04:38:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-16 04:38:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-16 04:38:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:38:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:38:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:38:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:38:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-12-16 04:38:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-12-16 04:38:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:38:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:38:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-16 04:38:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-16 04:38:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:38:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-16 04:38:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-16 04:38:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-12-16 04:38:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-12-16 04:38:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-16 04:38:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-16 04:38:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:38:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:38:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-16 04:38:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-16 04:38:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:38:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:38:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-16 04:38:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-16 04:38:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-16 04:38:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-16 04:38:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-12-16 04:38:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-12-16 04:38:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-16 04:38:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-16 04:38:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:38:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:38:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-16 04:38:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-16 04:38:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 04:38:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 04:38:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-12-16 04:38:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-12-16 04:38:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-12-16 04:38:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-12-16 04:38:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-16 04:38:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-16 04:38:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-16 04:38:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-16 04:38:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:38:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:38:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-12-16 04:38:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-12-16 04:38:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:38:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:38:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-12-16 04:38:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-12-16 04:38:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-12-16 04:38:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-12-16 04:38:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:38:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldisc_receive_buf [2021-12-16 04:38:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldisc_receive_buf [2021-12-16 04:38:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:38:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:38:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-12-16 04:38:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-12-16 04:38:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:38:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:38:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:38:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:38:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-16 04:38:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-16 04:38:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-12-16 04:38:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-12-16 04:38:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-16 04:38:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-16 04:38:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-12-16 04:38:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-12-16 04:38:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-12-16 04:38:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-12-16 04:38:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-16 04:38:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-16 04:38:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:38:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:38:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-16 04:38:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-16 04:38:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-16 04:38:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-16 04:38:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:38:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:38:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-12-16 04:38:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-12-16 04:38:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-16 04:38:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-16 04:38:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:38:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-16 04:38:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-16 04:38:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-12-16 04:38:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-12-16 04:38:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-16 04:38:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-16 04:38:21,792 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:38:21,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:38:21,937 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:38:51,770 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:38:51,794 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:38:51,794 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:38:51,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:38:51 BoogieIcfgContainer [2021-12-16 04:38:51,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:38:51,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:38:51,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:38:51,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:38:51,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:38:16" (1/3) ... [2021-12-16 04:38:51,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2f3c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:38:51, skipping insertion in model container [2021-12-16 04:38:51,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:20" (2/3) ... [2021-12-16 04:38:51,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2f3c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:38:51, skipping insertion in model container [2021-12-16 04:38:51,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:38:51" (3/3) ... [2021-12-16 04:38:51,806 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2021-12-16 04:38:51,810 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:38:51,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:38:51,882 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:38:51,893 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 [2021-12-16 04:38:51,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:38:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 3567 states, 2604 states have (on average 1.4473886328725039) internal successors, (3769), 2707 states have internal predecessors, (3769), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) [2021-12-16 04:38:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-16 04:38:52,062 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:38:52,063 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:38:52,063 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:38:52,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:38:52,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1524864084, now seen corresponding path program 1 times [2021-12-16 04:38:52,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:38:52,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236269467] [2021-12-16 04:38:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:38:52,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:38:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:38:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:38:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:38:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:38:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:38:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:38:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:38:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:38:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:38:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:38:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-16 04:38:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 04:38:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-16 04:38:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-16 04:38:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 04:38:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 04:38:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 04:38:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 04:38:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 04:38:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:38:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-16 04:38:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 04:38:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-16 04:38:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:38:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-16 04:38:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-16 04:38:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-16 04:38:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2021-12-16 04:38:53,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:38:53,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236269467] [2021-12-16 04:38:53,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236269467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:38:53,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:38:53,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:38:53,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137287044] [2021-12-16 04:38:53,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:38:53,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:38:53,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:38:53,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:38:53,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:38:53,820 INFO L87 Difference]: Start difference. First operand has 3567 states, 2604 states have (on average 1.4473886328725039) internal successors, (3769), 2707 states have internal predecessors, (3769), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:38:56,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:00,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:05,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:09,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:12,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:14,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:16,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:19,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:39:19,803 INFO L93 Difference]: Finished difference Result 7436 states and 11426 transitions. [2021-12-16 04:39:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:39:19,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 375 [2021-12-16 04:39:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:39:19,847 INFO L225 Difference]: With dead ends: 7436 [2021-12-16 04:39:19,848 INFO L226 Difference]: Without dead ends: 3852 [2021-12-16 04:39:19,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:19,883 INFO L933 BasicCegarLoop]: 5010 mSDtfsCounter, 3657 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 3195 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3683 SdHoareTripleChecker+Valid, 7359 SdHoareTripleChecker+Invalid, 4933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3195 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:39:19,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3683 Valid, 7359 Invalid, 4933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3195 Valid, 1732 Invalid, 6 Unknown, 0 Unchecked, 25.5s Time] [2021-12-16 04:39:19,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2021-12-16 04:39:20,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 3545. [2021-12-16 04:39:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3545 states, 2597 states have (on average 1.4424335772044667) internal successors, (3746), 2686 states have internal predecessors, (3746), 813 states have call successors, (813), 135 states have call predecessors, (813), 134 states have return successors, (812), 792 states have call predecessors, (812), 812 states have call successors, (812) [2021-12-16 04:39:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 5371 transitions. [2021-12-16 04:39:20,178 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 5371 transitions. Word has length 375 [2021-12-16 04:39:20,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:39:20,180 INFO L470 AbstractCegarLoop]: Abstraction has 3545 states and 5371 transitions. [2021-12-16 04:39:20,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:39:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 5371 transitions. [2021-12-16 04:39:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-16 04:39:20,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:20,187 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:39:20,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:39:20,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:20,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:20,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1766095808, now seen corresponding path program 1 times [2021-12-16 04:39:20,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:20,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534001579] [2021-12-16 04:39:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:20,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:39:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:39:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:39:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:39:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:39:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:39:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:39:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:39:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-16 04:39:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 04:39:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-16 04:39:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-16 04:39:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 04:39:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 04:39:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 04:39:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 04:39:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 04:39:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:39:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-16 04:39:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 04:39:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-16 04:39:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:39:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-16 04:39:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-16 04:39:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-16 04:39:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2021-12-16 04:39:21,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:21,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534001579] [2021-12-16 04:39:21,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534001579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:21,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:21,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:39:21,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114943999] [2021-12-16 04:39:21,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:21,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:39:21,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:21,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:39:21,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:21,116 INFO L87 Difference]: Start difference. First operand 3545 states and 5371 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-16 04:39:23,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []