./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--synclinkmp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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--synclinkmp.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 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:51:24,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:51:24,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:51:24,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:51:24,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:51:24,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:51:24,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:51:24,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:51:24,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:51:24,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:51:24,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:51:24,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:51:24,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:51:24,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:51:24,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:51:24,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:51:24,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:51:24,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:51:24,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:51:24,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:51:24,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:51:24,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:51:24,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:51:24,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:51:24,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:51:24,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:51:24,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:51:24,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:51:24,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:51:24,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:51:24,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:51:24,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:51:24,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:51:24,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:51:24,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:51:24,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:51:24,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:51:24,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:51:24,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:51:24,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:51:24,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:51:24,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:51:24,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:51:24,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:51:24,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:51:24,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:51:24,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:51:24,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:51:24,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:51:24,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:51:24,561 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:51:24,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:51:24,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:51:24,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:51:24,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:51:24,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:51:24,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:51:24,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:51:24,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:51:24,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:51:24,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:51:24,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:51:24,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:51:24,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:51:24,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:51:24,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:51:24,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:51:24,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:51:24,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:51:24,565 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:51:24,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:51:24,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:51:24,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:51:24,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2021-12-21 16:51:24,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:51:24,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:51:24,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:51:24,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:51:24,786 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:51:24,787 INFO L432 ainManager$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--synclinkmp.ko-entry_point.cil.out.i [2021-12-21 16:51:24,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1232d08/888ac371e3604bcd9f5aaa0f3838c868/FLAG7666f5f0e [2021-12-21 16:51:25,507 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:51:25,508 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--synclinkmp.ko-entry_point.cil.out.i [2021-12-21 16:51:25,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1232d08/888ac371e3604bcd9f5aaa0f3838c868/FLAG7666f5f0e [2021-12-21 16:51:25,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1232d08/888ac371e3604bcd9f5aaa0f3838c868 [2021-12-21 16:51:25,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:51:25,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:51:25,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:51:25,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:51:25,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:51:25,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:25,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1967fe28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25, skipping insertion in model container [2021-12-21 16:51:25,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:25,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:51:25,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:51:27,943 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--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-12-21 16:51:28,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:51:28,052 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:51:28,510 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--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-12-21 16:51:28,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:51:28,643 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:51:28,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28 WrapperNode [2021-12-21 16:51:28,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:51:28,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:51:28,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:51:28,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:51:28,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:28,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:28,959 INFO L137 Inliner]: procedures = 389, calls = 4006, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 9132 [2021-12-21 16:51:28,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:51:28,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:51:28,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:51:28,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:51:28,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:28,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:29,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:29,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:29,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:29,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:29,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:29,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:51:29,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:51:29,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:51:29,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:51:29,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (1/1) ... [2021-12-21 16:51:29,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:51:29,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:51:29,252 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) [2021-12-21 16:51:29,267 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 [2021-12-21 16:51:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-21 16:51:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-21 16:51:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 16:51:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:51:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:51:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:51:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:51:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-21 16:51:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-21 16:51:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:51:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:51:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-21 16:51:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-21 16:51:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-12-21 16:51:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-12-21 16:51:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:51:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:51:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-21 16:51:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-21 16:51:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-21 16:51:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-21 16:51:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-21 16:51:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-21 16:51:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 16:51:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 16:51:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:51:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:51:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-12-21 16:51:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-12-21 16:51:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-21 16:51:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-21 16:51:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-21 16:51:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-21 16:51:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:51:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:51:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-12-21 16:51:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-12-21 16:51:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-21 16:51:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-21 16:51:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:51:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-21 16:51:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-21 16:51:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2021-12-21 16:51:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2021-12-21 16:51:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2021-12-21 16:51:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2021-12-21 16:51:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:51:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:51:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-21 16:51:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-21 16:51:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:51:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:51:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2021-12-21 16:51:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2021-12-21 16:51:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:51:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-12-21 16:51:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-12-21 16:51:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 16:51:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 16:51:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-21 16:51:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-21 16:51:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-21 16:51:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-21 16:51:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:51:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:51:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-12-21 16:51:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-12-21 16:51:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:51:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:51:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-21 16:51:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-21 16:51:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-12-21 16:51:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-12-21 16:51:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:51:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:51:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:51:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:51:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-21 16:51:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-21 16:51:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-21 16:51:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-21 16:51:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:51:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-21 16:51:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-21 16:51:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:51:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:51:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure install [2021-12-21 16:51:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2021-12-21 16:51:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-21 16:51:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-21 16:51:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:51:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:51:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-12-21 16:51:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-12-21 16:51:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2021-12-21 16:51:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2021-12-21 16:51:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-21 16:51:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-21 16:51:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:51:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:51:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-21 16:51:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-21 16:51:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-12-21 16:51:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-12-21 16:51:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-21 16:51:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-21 16:51:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:51:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:51:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:51:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-21 16:51:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-21 16:51:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:51:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2021-12-21 16:51:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2021-12-21 16:51:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-21 16:51:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-21 16:51:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:51:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-12-21 16:51:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-12-21 16:51:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:51:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-12-21 16:51:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-12-21 16:51:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-21 16:51:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-21 16:51:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2021-12-21 16:51:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2021-12-21 16:51:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-12-21 16:51:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-12-21 16:51:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2021-12-21 16:51:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2021-12-21 16:51:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-12-21 16:51:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-12-21 16:51:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:51:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:51:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2021-12-21 16:51:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2021-12-21 16:51:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-21 16:51:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-21 16:51:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-12-21 16:51:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-12-21 16:51:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2021-12-21 16:51:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2021-12-21 16:51:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:51:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:51:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:51:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:51:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-21 16:51:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-21 16:51:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-12-21 16:51:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-12-21 16:51:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:51:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:51:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2021-12-21 16:51:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2021-12-21 16:51:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:51:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:51:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-21 16:51:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-21 16:51:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:51:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:51:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:51:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:51:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-21 16:51:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-21 16:51:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:51:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:51:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:51:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:51:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2021-12-21 16:51:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2021-12-21 16:51:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-21 16:51:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-21 16:51:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-12-21 16:51:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-12-21 16:51:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-21 16:51:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-21 16:51:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:51:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:51:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:51:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:51:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-21 16:51:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-21 16:51:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2021-12-21 16:51:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2021-12-21 16:51:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:51:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:51:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:51:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:51:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:51:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:51:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-21 16:51:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-21 16:51:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-21 16:51:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-21 16:51:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-21 16:51:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-21 16:51:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-21 16:51:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-21 16:51:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:51:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:51:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:51:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2021-12-21 16:51:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2021-12-21 16:51:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:51:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:51:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:51:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-21 16:51:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-21 16:51:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:51:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-21 16:51:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-21 16:51:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-21 16:51:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-21 16:51:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:51:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:51:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:51:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:51:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-21 16:51:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-21 16:51:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-21 16:51:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-21 16:51:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2021-12-21 16:51:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2021-12-21 16:51:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-21 16:51:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-21 16:51:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-21 16:51:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-21 16:51:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:51:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:51:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-21 16:51:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-21 16:51:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-12-21 16:51:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-12-21 16:51:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-12-21 16:51:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-12-21 16:51:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-21 16:51:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-21 16:51:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-21 16:51:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-21 16:51:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:51:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:51:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-12-21 16:51:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-12-21 16:51:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 16:51:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 16:51:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:51:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:51:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:51:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2021-12-21 16:51:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2021-12-21 16:51:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2021-12-21 16:51:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2021-12-21 16:51:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:51:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:51:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:51:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:51:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:51:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:51:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-21 16:51:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-21 16:51:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:51:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:51:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-12-21 16:51:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-12-21 16:51:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-12-21 16:51:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-12-21 16:51:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-21 16:51:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-21 16:51:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:51:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:51:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2021-12-21 16:51:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2021-12-21 16:51:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-21 16:51:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-21 16:51:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:51:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:51:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-21 16:51:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-21 16:51:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-21 16:51:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-21 16:51:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:51:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-21 16:51:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-21 16:51:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-21 16:51:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-21 16:51:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-21 16:51:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-21 16:51:30,161 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:51:30,166 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:51:30,365 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:51:57,083 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:51:57,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:51:57,113 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:51:57,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:51:57 BoogieIcfgContainer [2021-12-21 16:51:57,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:51:57,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:51:57,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:51:57,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:51:57,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:51:25" (1/3) ... [2021-12-21 16:51:57,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3647e85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:51:57, skipping insertion in model container [2021-12-21 16:51:57,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:28" (2/3) ... [2021-12-21 16:51:57,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3647e85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:51:57, skipping insertion in model container [2021-12-21 16:51:57,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:51:57" (3/3) ... [2021-12-21 16:51:57,127 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-12-21 16:51:57,131 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:51:57,131 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:51:57,186 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:51:57,192 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 [2021-12-21 16:51:57,192 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:51:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 3329 states, 2371 states have (on average 1.4398987768873892) internal successors, (3414), 2459 states have internal predecessors, (3414), 823 states have call successors, (823), 134 states have call predecessors, (823), 133 states have return successors, (811), 796 states have call predecessors, (811), 811 states have call successors, (811) [2021-12-21 16:51:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-21 16:51:57,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:51:57,270 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:51:57,270 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:51:57,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:51:57,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1761272307, now seen corresponding path program 1 times [2021-12-21 16:51:57,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:51:57,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846891679] [2021-12-21 16:51:57,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:51:57,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:51:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:51:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:57,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:51:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:51:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:51:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:51:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:51:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:51:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:51:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:51:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:51:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:51:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:51:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 16:51:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:51:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:51:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 16:51:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 16:51:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 16:51:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:51:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 16:51:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 16:51:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 16:51:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 16:51:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 16:51:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:51:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 16:51:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-21 16:51:58,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:51:58,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846891679] [2021-12-21 16:51:58,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846891679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:51:58,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:51:58,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:51:58,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863286506] [2021-12-21 16:51:58,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:51:58,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:51:58,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:51:58,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:51:58,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:51:58,636 INFO L87 Difference]: Start difference. First operand has 3329 states, 2371 states have (on average 1.4398987768873892) internal successors, (3414), 2459 states have internal predecessors, (3414), 823 states have call successors, (823), 134 states have call predecessors, (823), 133 states have return successors, (811), 796 states have call predecessors, (811), 811 states have call successors, (811) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-21 16:52:01,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:04,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:07,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:09,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:13,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:15,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:17,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:19,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:22,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:22,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:52:22,497 INFO L93 Difference]: Finished difference Result 7180 states and 11086 transitions. [2021-12-21 16:52:22,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:52:22,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 366 [2021-12-21 16:52:22,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:52:22,605 INFO L225 Difference]: With dead ends: 7180 [2021-12-21 16:52:22,605 INFO L226 Difference]: Without dead ends: 3834 [2021-12-21 16:52:22,642 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 [2021-12-21 16:52:22,663 INFO L933 BasicCegarLoop]: 4717 mSDtfsCounter, 3647 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 3193 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 7156 SdHoareTripleChecker+Invalid, 4887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3193 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:52:22,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3680 Valid, 7156 Invalid, 4887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3193 Valid, 1686 Invalid, 8 Unknown, 0 Unchecked, 23.5s Time] [2021-12-21 16:52:22,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-12-21 16:52:22,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3307. [2021-12-21 16:52:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 2364 states have (on average 1.4344331641285957) internal successors, (3391), 2438 states have internal predecessors, (3391), 810 states have call successors, (810), 133 states have call predecessors, (810), 132 states have return successors, (809), 794 states have call predecessors, (809), 809 states have call successors, (809) [2021-12-21 16:52:22,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 5010 transitions. [2021-12-21 16:52:22,987 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 5010 transitions. Word has length 366 [2021-12-21 16:52:22,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:52:22,989 INFO L470 AbstractCegarLoop]: Abstraction has 3307 states and 5010 transitions. [2021-12-21 16:52:22,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-21 16:52:22,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 5010 transitions. [2021-12-21 16:52:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-21 16:52:22,998 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:22,998 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:52:22,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:52:22,999 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:23,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1755134813, now seen corresponding path program 1 times [2021-12-21 16:52:23,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:23,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439138891] [2021-12-21 16:52:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:23,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:52:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:52:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:52:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:52:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:52:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:52:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:52:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:52:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:52:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:52:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:52:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 16:52:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:52:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:52:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 16:52:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 16:52:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 16:52:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:52:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 16:52:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 16:52:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 16:52:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 16:52:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 16:52:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:52:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 16:52:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-21 16:52:23,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:23,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439138891] [2021-12-21 16:52:23,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439138891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:23,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:23,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:52:23,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309068778] [2021-12-21 16:52:23,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:23,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:52:23,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:23,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:52:23,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:23,715 INFO L87 Difference]: Start difference. First operand 3307 states and 5010 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-21 16:52:26,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:30,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []