./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 ae007674 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-dev-ae00767 [2021-12-28 04:36:11,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:36:11,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:36:11,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:36:11,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:36:11,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:36:11,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:36:11,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:36:11,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:36:11,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:36:11,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:36:11,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:36:11,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:36:11,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:36:11,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:36:11,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:36:11,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:36:11,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:36:11,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:36:11,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:36:11,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:36:11,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:36:11,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:36:11,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:36:11,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:36:11,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:36:11,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:36:11,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:36:11,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:36:11,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:36:11,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:36:11,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:36:11,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:36:11,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:36:11,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:36:11,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:36:11,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:36:11,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:36:11,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:36:11,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:36:11,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:36:11,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:36:11,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:36:11,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:36:11,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:36:11,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:36:11,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:36:11,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:36:11,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:36:11,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:36:11,819 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:36:11,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:36:11,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:36:11,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:36:11,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:36:11,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:36:11,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:36:11,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:36:11,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:36:11,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:36:11,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:36:11,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:36:11,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:36:11,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:11,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:36:11,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:36:11,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:36:11,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:36:11,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:36:11,824 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:36:11,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:36:11,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:36:11,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 [2021-12-28 04:36:12,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:36:12,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:36:12,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:36:12,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:36:12,167 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:36:12,168 INFO L432 ainManager$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 [2021-12-28 04:36:12,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16854400a/2965faf07d7a47d4849e93c64178f972/FLAG6ec0031f4 [2021-12-28 04:36:13,074 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:36:13,076 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 [2021-12-28 04:36:13,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16854400a/2965faf07d7a47d4849e93c64178f972/FLAG6ec0031f4 [2021-12-28 04:36:13,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16854400a/2965faf07d7a47d4849e93c64178f972 [2021-12-28 04:36:13,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:36:13,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:36:13,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:13,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:36:13,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:36:13,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:13" (1/1) ... [2021-12-28 04:36:13,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3b76cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:13, skipping insertion in model container [2021-12-28 04:36:13,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:13" (1/1) ... [2021-12-28 04:36:13,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:36:13,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:36:16,113 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] [2021-12-28 04:36:16,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:16,214 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:36:16,610 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] [2021-12-28 04:36:16,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:16,769 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:36:16,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16 WrapperNode [2021-12-28 04:36:16,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:16,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:16,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:36:16,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:36:16,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:16,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,109 INFO L137 Inliner]: procedures = 426, calls = 3809, calls flagged for inlining = 222, calls inlined = 215, statements flattened = 9873 [2021-12-28 04:36:17,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:17,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:36:17,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:36:17,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:36:17,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:36:17,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:36:17,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:36:17,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:36:17,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (1/1) ... [2021-12-28 04:36:17,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:36:17,480 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) [2021-12-28 04:36:17,488 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 [2021-12-28 04:36:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:36:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:36:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:36:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:36:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:36:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-28 04:36:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-28 04:36:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:36:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:36:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-28 04:36:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-28 04:36:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-12-28 04:36:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-12-28 04:36:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:36:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:36:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-28 04:36:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-28 04:36:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-28 04:36:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-28 04:36:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:36:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:36:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:36:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:36:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-12-28 04:36:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-12-28 04:36:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-12-28 04:36:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-12-28 04:36:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-28 04:36:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-28 04:36:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-28 04:36:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-28 04:36:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:36:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:36:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-12-28 04:36:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-12-28 04:36:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-28 04:36:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-28 04:36:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:36:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-28 04:36:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-28 04:36:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:36:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:36:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-28 04:36:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-28 04:36:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:36:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:36:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:36:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-12-28 04:36:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-12-28 04:36:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-12-28 04:36:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-12-28 04:36:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:36:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:36:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-28 04:36:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-28 04:36:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:36:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:36:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-12-28 04:36:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-12-28 04:36:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:36:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:36:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:36:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:36:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-28 04:36:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-28 04:36:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-12-28 04:36:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-12-28 04:36:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-12-28 04:36:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-12-28 04:36:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:36:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-12-28 04:36:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-12-28 04:36:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-12-28 04:36:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-12-28 04:36:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:36:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:36:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-12-28 04:36:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-12-28 04:36:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:36:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-28 04:36:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-28 04:36:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-28 04:36:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-28 04:36:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-12-28 04:36:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-12-28 04:36:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:36:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-28 04:36:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-28 04:36:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:36:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:36:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-28 04:36:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-28 04:36:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:36:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:36:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-12-28 04:36:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-12-28 04:36:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-28 04:36:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-28 04:36:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:36:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:36:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:36:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:36:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-28 04:36:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-28 04:36:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-12-28 04:36:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-12-28 04:36:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-12-28 04:36:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-12-28 04:36:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-28 04:36:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-28 04:36:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:36:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:36:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-12-28 04:36:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-12-28 04:36:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-28 04:36:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-28 04:36:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:36:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-28 04:36:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-28 04:36:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:36:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-28 04:36:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-28 04:36:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:36:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-12-28 04:36:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-12-28 04:36:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:36:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-12-28 04:36:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-12-28 04:36:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-28 04:36:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-28 04:36:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-12-28 04:36:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-12-28 04:36:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-12-28 04:36:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-12-28 04:36:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-12-28 04:36:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-12-28 04:36:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:36:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:36:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-28 04:36:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-28 04:36:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-12-28 04:36:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-12-28 04:36:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-12-28 04:36:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-12-28 04:36:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_compat_ioctl [2021-12-28 04:36:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_compat_ioctl [2021-12-28 04:36:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:36:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:36:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:36:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:36:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-12-28 04:36:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-12-28 04:36:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-28 04:36:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-28 04:36:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:36:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:36:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:36:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:36:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-28 04:36:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-28 04:36:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:36:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:36:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:36:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:36:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:36:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:36:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:36:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:36:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-28 04:36:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-28 04:36:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-12-28 04:36:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-12-28 04:36:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-28 04:36:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-28 04:36:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:36:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:36:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:36:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:36:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-28 04:36:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-28 04:36:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:36:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:36:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:36:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:36:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:36:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:36:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:36:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:36:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-28 04:36:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-28 04:36:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-28 04:36:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-28 04:36:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-28 04:36:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-28 04:36:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:36:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:36:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:36:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:36:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-12-28 04:36:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-12-28 04:36:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:36:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:36:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-28 04:36:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-28 04:36:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:36:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-28 04:36:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-28 04:36:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-12-28 04:36:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-12-28 04:36:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-28 04:36:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-28 04:36:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:36:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:36:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-28 04:36:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-28 04:36:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:36:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:36:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-28 04:36:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-28 04:36:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-28 04:36:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-28 04:36:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-12-28 04:36:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-12-28 04:36:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-28 04:36:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-28 04:36:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:36:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:36:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-28 04:36:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-28 04:36:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:36:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:36:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-12-28 04:36:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-12-28 04:36:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-12-28 04:36:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-12-28 04:36:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-28 04:36:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-28 04:36:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-28 04:36:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-28 04:36:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:36:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:36:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-12-28 04:36:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-12-28 04:36:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:36:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:36:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-12-28 04:36:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-12-28 04:36:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-12-28 04:36:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-12-28 04:36:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:36:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldisc_receive_buf [2021-12-28 04:36:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldisc_receive_buf [2021-12-28 04:36:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:36:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:36:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-12-28 04:36:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-12-28 04:36:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:36:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:36:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:36:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:36:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-28 04:36:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-28 04:36:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-12-28 04:36:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-12-28 04:36:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:36:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:36:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-12-28 04:36:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-12-28 04:36:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-12-28 04:36:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-12-28 04:36:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-28 04:36:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-28 04:36:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:36:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:36:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-28 04:36:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-28 04:36:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-28 04:36:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-28 04:36:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:36:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:36:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-12-28 04:36:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-12-28 04:36:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-28 04:36:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-28 04:36:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:36:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-28 04:36:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-28 04:36:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-12-28 04:36:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-12-28 04:36:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-28 04:36:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-28 04:36:18,605 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:36:18,610 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:36:18,905 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:36:45,299 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:36:45,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:36:45,344 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:36:45,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:36:45 BoogieIcfgContainer [2021-12-28 04:36:45,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:36:45,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:36:45,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:36:45,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:36:45,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:36:13" (1/3) ... [2021-12-28 04:36:45,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428106a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:36:45, skipping insertion in model container [2021-12-28 04:36:45,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:16" (2/3) ... [2021-12-28 04:36:45,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428106a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:36:45, skipping insertion in model container [2021-12-28 04:36:45,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:36:45" (3/3) ... [2021-12-28 04:36:45,353 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2021-12-28 04:36:45,356 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:36:45,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:36:45,403 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:36:45,410 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 [2021-12-28 04:36:45,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:36:45,466 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) [2021-12-28 04:36:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-28 04:36:45,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:36:45,490 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] [2021-12-28 04:36:45,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:36:45,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:36:45,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1524864084, now seen corresponding path program 1 times [2021-12-28 04:36:45,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:36:45,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319076156] [2021-12-28 04:36:45,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:36:45,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:36:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:36:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:36:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:36:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:36:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:36:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:36:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:36:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:36:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:36:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:36:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-28 04:36:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-28 04:36:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 04:36:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-28 04:36:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 04:36:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 04:36:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-28 04:36:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-28 04:36:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-28 04:36:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:36:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-28 04:36:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-28 04:36:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-28 04:36:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-28 04:36:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-28 04:36:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-28 04:36:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-28 04:36:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2021-12-28 04:36:47,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:36:47,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319076156] [2021-12-28 04:36:47,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319076156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:36:47,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:36:47,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:36:47,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256408075] [2021-12-28 04:36:47,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:36:47,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:36:47,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:36:47,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:36:47,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:36:47,114 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) [2021-12-28 04:36:50,130 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 [] [2021-12-28 04:36:52,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:56,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:58,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:01,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:03,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:07,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:09,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:10,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:12,878 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 [] [2021-12-28 04:37:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:13,419 INFO L93 Difference]: Finished difference Result 7436 states and 11426 transitions. [2021-12-28 04:37:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:37:13,421 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 [2021-12-28 04:37:13,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:13,505 INFO L225 Difference]: With dead ends: 7436 [2021-12-28 04:37:13,505 INFO L226 Difference]: Without dead ends: 3852 [2021-12-28 04:37:13,566 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 [2021-12-28 04:37:13,572 INFO L933 BasicCegarLoop]: 5012 mSDtfsCounter, 3657 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 3193 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3683 SdHoareTripleChecker+Valid, 7363 SdHoareTripleChecker+Invalid, 4933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3193 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:13,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3683 Valid, 7363 Invalid, 4933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3193 Valid, 1734 Invalid, 6 Unknown, 0 Unchecked, 25.8s Time] [2021-12-28 04:37:13,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2021-12-28 04:37:13,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 3545. [2021-12-28 04:37:13,763 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) [2021-12-28 04:37:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 5371 transitions. [2021-12-28 04:37:13,784 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 5371 transitions. Word has length 375 [2021-12-28 04:37:13,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:13,786 INFO L470 AbstractCegarLoop]: Abstraction has 3545 states and 5371 transitions. [2021-12-28 04:37:13,786 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) [2021-12-28 04:37:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 5371 transitions. [2021-12-28 04:37:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-28 04:37:13,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:13,794 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] [2021-12-28 04:37:13,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:37:13,794 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:13,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:13,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1766095808, now seen corresponding path program 1 times [2021-12-28 04:37:13,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:13,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950443300] [2021-12-28 04:37:13,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:13,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:37:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:37:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:37:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:37:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:37:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:37:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:37:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-28 04:37:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-28 04:37:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 04:37:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-28 04:37:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 04:37:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-28 04:37:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-28 04:37:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-28 04:37:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-28 04:37:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-28 04:37:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-28 04:37:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-28 04:37:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-28 04:37:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-28 04:37:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-28 04:37:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-28 04:37:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-28 04:37:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2021-12-28 04:37:14,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:14,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950443300] [2021-12-28 04:37:14,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950443300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:14,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:14,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:37:14,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691176526] [2021-12-28 04:37:14,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:14,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:37:14,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:14,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:37:14,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:37:14,658 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) [2021-12-28 04:37:17,201 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 []