./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.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 c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:58:13,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:58:13,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:58:13,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:58:13,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:58:13,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:58:13,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:58:13,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:58:13,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:58:13,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:58:13,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:58:13,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:58:13,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:58:13,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:58:13,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:58:13,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:58:13,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:58:13,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:58:13,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:58:13,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:58:13,350 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:58:13,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:58:13,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:58:13,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:58:13,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:58:13,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:58:13,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:58:13,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:58:13,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:58:13,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:58:13,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:58:13,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:58:13,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:58:13,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:58:13,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:58:13,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:58:13,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:58:13,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:58:13,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:58:13,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:58:13,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:58:13,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:58:13,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:58:13,384 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:58:13,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:58:13,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:58:13,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:58:13,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:58:13,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:58:13,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:58:13,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:58:13,387 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:58:13,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:58:13,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:58:13,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:58:13,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:58:13,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:58:13,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:58:13,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:58:13,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:58:13,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:58:13,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:58:13,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:58:13,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:58:13,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:58:13,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:58:13,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:58:13,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:58:13,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:58:13,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:58:13,395 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:58:13,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:58:13,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:58:13,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2022-07-19 23:58:13,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:58:13,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:58:13,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:58:13,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:58:13,637 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:58:13,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-07-19 23:58:13,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e6cf3c/f7a696b058b945088df50b5a523422f1/FLAG26a1080ff [2022-07-19 23:58:14,400 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:58:14,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-07-19 23:58:14,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e6cf3c/f7a696b058b945088df50b5a523422f1/FLAG26a1080ff [2022-07-19 23:58:14,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e6cf3c/f7a696b058b945088df50b5a523422f1 [2022-07-19 23:58:14,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:58:14,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:58:14,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:58:14,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:58:14,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:58:14,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:58:14" (1/1) ... [2022-07-19 23:58:14,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2c1e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:14, skipping insertion in model container [2022-07-19 23:58:14,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:58:14" (1/1) ... [2022-07-19 23:58:14,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:58:14,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:58:15,058 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-19 23:58:15,061 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-07-19 23:58:15,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2022-07-19 23:58:16,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:58:16,390 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:58:16,487 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-19 23:58:16,489 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-07-19 23:58:16,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2022-07-19 23:58:16,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:58:16,918 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:58:16,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16 WrapperNode [2022-07-19 23:58:16,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:58:16,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:58:16,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:58:16,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:58:16,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,285 INFO L137 Inliner]: procedures = 349, calls = 4496, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 8223 [2022-07-19 23:58:17,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:58:17,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:58:17,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:58:17,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:58:17,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:58:17,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:58:17,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:58:17,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:58:17,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (1/1) ... [2022-07-19 23:58:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:58:17,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:58:17,804 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) [2022-07-19 23:58:17,831 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 [2022-07-19 23:58:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2022-07-19 23:58:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2022-07-19 23:58:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2022-07-19 23:58:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2022-07-19 23:58:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2022-07-19 23:58:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2022-07-19 23:58:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2022-07-19 23:58:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2022-07-19 23:58:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2022-07-19 23:58:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2022-07-19 23:58:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2022-07-19 23:58:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2022-07-19 23:58:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2022-07-19 23:58:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2022-07-19 23:58:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2022-07-19 23:58:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2022-07-19 23:58:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:58:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:58:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2022-07-19 23:58:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2022-07-19 23:58:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-19 23:58:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-19 23:58:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-19 23:58:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-19 23:58:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2022-07-19 23:58:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2022-07-19 23:58:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:58:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:58:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2022-07-19 23:58:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2022-07-19 23:58:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2022-07-19 23:58:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2022-07-19 23:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-19 23:58:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-19 23:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2022-07-19 23:58:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2022-07-19 23:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-19 23:58:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-19 23:58:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2022-07-19 23:58:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2022-07-19 23:58:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:58:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:58:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-07-19 23:58:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-07-19 23:58:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:58:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:58:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2022-07-19 23:58:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2022-07-19 23:58:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:58:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:58:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:58:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:58:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2022-07-19 23:58:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2022-07-19 23:58:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:58:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:58:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2022-07-19 23:58:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2022-07-19 23:58:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-19 23:58:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-19 23:58:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-07-19 23:58:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-07-19 23:58:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2022-07-19 23:58:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2022-07-19 23:58:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:58:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:58:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2022-07-19 23:58:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2022-07-19 23:58:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2022-07-19 23:58:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2022-07-19 23:58:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:58:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2022-07-19 23:58:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2022-07-19 23:58:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2022-07-19 23:58:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2022-07-19 23:58:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2022-07-19 23:58:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2022-07-19 23:58:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2022-07-19 23:58:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2022-07-19 23:58:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 23:58:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 23:58:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2022-07-19 23:58:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2022-07-19 23:58:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2022-07-19 23:58:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2022-07-19 23:58:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:58:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2022-07-19 23:58:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2022-07-19 23:58:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2022-07-19 23:58:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2022-07-19 23:58:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2022-07-19 23:58:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2022-07-19 23:58:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-19 23:58:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-19 23:58:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:58:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:58:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-19 23:58:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2022-07-19 23:58:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2022-07-19 23:58:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2022-07-19 23:58:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2022-07-19 23:58:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2022-07-19 23:58:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2022-07-19 23:58:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:58:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2022-07-19 23:58:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2022-07-19 23:58:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:58:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2022-07-19 23:58:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2022-07-19 23:58:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2022-07-19 23:58:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2022-07-19 23:58:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2022-07-19 23:58:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2022-07-19 23:58:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2022-07-19 23:58:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2022-07-19 23:58:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2022-07-19 23:58:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2022-07-19 23:58:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 23:58:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 23:58:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-19 23:58:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-19 23:58:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2022-07-19 23:58:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2022-07-19 23:58:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2022-07-19 23:58:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2022-07-19 23:58:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2022-07-19 23:58:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2022-07-19 23:58:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2022-07-19 23:58:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2022-07-19 23:58:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:58:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:58:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2022-07-19 23:58:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2022-07-19 23:58:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2022-07-19 23:58:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2022-07-19 23:58:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:58:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:58:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2022-07-19 23:58:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2022-07-19 23:58:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:58:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:58:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2022-07-19 23:58:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2022-07-19 23:58:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:58:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:58:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-19 23:58:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-19 23:58:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2022-07-19 23:58:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2022-07-19 23:58:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-19 23:58:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-19 23:58:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2022-07-19 23:58:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2022-07-19 23:58:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:58:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:58:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-19 23:58:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-19 23:58:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-19 23:58:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-19 23:58:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2022-07-19 23:58:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2022-07-19 23:58:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-19 23:58:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-19 23:58:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-19 23:58:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-19 23:58:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2022-07-19 23:58:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2022-07-19 23:58:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:58:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2022-07-19 23:58:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2022-07-19 23:58:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2022-07-19 23:58:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2022-07-19 23:58:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:58:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:58:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2022-07-19 23:58:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2022-07-19 23:58:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2022-07-19 23:58:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2022-07-19 23:58:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2022-07-19 23:58:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2022-07-19 23:58:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2022-07-19 23:58:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2022-07-19 23:58:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2022-07-19 23:58:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2022-07-19 23:58:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2022-07-19 23:58:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2022-07-19 23:58:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-19 23:58:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-19 23:58:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2022-07-19 23:58:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2022-07-19 23:58:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:58:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2022-07-19 23:58:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2022-07-19 23:58:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2022-07-19 23:58:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2022-07-19 23:58:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2022-07-19 23:58:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2022-07-19 23:58:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-19 23:58:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-19 23:58:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:58:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2022-07-19 23:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2022-07-19 23:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2022-07-19 23:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2022-07-19 23:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2022-07-19 23:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2022-07-19 23:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-19 23:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-19 23:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2022-07-19 23:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2022-07-19 23:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2022-07-19 23:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2022-07-19 23:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2022-07-19 23:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2022-07-19 23:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2022-07-19 23:58:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2022-07-19 23:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2022-07-19 23:58:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2022-07-19 23:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:58:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-19 23:58:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-19 23:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-19 23:58:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-19 23:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:58:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-19 23:58:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-19 23:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2022-07-19 23:58:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2022-07-19 23:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-19 23:58:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-19 23:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2022-07-19 23:58:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2022-07-19 23:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:58:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2022-07-19 23:58:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2022-07-19 23:58:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2022-07-19 23:58:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2022-07-19 23:58:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-07-19 23:58:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-07-19 23:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2022-07-19 23:58:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2022-07-19 23:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2022-07-19 23:58:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2022-07-19 23:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2022-07-19 23:58:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2022-07-19 23:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-19 23:58:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-19 23:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-19 23:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-19 23:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2022-07-19 23:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2022-07-19 23:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2022-07-19 23:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2022-07-19 23:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 23:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 23:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2022-07-19 23:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2022-07-19 23:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2022-07-19 23:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2022-07-19 23:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2022-07-19 23:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2022-07-19 23:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2022-07-19 23:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2022-07-19 23:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-19 23:58:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-19 23:58:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-07-19 23:58:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-07-19 23:58:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2022-07-19 23:58:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2022-07-19 23:58:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:58:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:58:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-19 23:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-19 23:58:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2022-07-19 23:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2022-07-19 23:58:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2022-07-19 23:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2022-07-19 23:58:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2022-07-19 23:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2022-07-19 23:58:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2022-07-19 23:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2022-07-19 23:58:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2022-07-19 23:58:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2022-07-19 23:58:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:58:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2022-07-19 23:58:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2022-07-19 23:58:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-19 23:58:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-19 23:58:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2022-07-19 23:58:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2022-07-19 23:58:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-07-19 23:58:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-07-19 23:58:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2022-07-19 23:58:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2022-07-19 23:58:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2022-07-19 23:58:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2022-07-19 23:58:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2022-07-19 23:58:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2022-07-19 23:58:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:58:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:58:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-19 23:58:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-19 23:58:18,835 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:58:18,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:58:19,548 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:58:33,928 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:58:33,952 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:58:33,953 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:58:33,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:58:33 BoogieIcfgContainer [2022-07-19 23:58:33,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:58:33,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:58:33,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:58:33,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:58:33,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:58:14" (1/3) ... [2022-07-19 23:58:33,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c784a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:58:33, skipping insertion in model container [2022-07-19 23:58:33,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:58:16" (2/3) ... [2022-07-19 23:58:33,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c784a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:58:33, skipping insertion in model container [2022-07-19 23:58:33,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:58:33" (3/3) ... [2022-07-19 23:58:33,965 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2022-07-19 23:58:33,976 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:58:33,976 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:58:34,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:58:34,067 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f0fc56d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37d8cd14 [2022-07-19 23:58:34,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:58:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 2769 states, 1933 states have (on average 1.412312467666839) internal successors, (2730), 2025 states have internal predecessors, (2730), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) [2022-07-19 23:58:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-19 23:58:34,126 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:58:34,127 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:58:34,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:58:34,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:58:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash 409351273, now seen corresponding path program 1 times [2022-07-19 23:58:34,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:58:34,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063171176] [2022-07-19 23:58:34,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:58:34,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:58:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:34,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:58:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:34,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:58:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:58:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:58:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 23:58:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-19 23:58:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:58:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:58:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 23:58:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:58:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:58:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:58:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:58:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:58:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 23:58:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:58:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:58:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-19 23:58:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:58:35,368 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-19 23:58:35,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:58:35,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063171176] [2022-07-19 23:58:35,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063171176] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:58:35,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:58:35,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:58:35,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012286497] [2022-07-19 23:58:35,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:58:35,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:58:35,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:58:35,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:58:35,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:58:35,411 INFO L87 Difference]: Start difference. First operand has 2769 states, 1933 states have (on average 1.412312467666839) internal successors, (2730), 2025 states have internal predecessors, (2730), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:58:38,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:58:40,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:58:43,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:58:45,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:58:48,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:58:54,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:58:57,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:00,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:03,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:06,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:10,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:13,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:15,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:17,584 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 [] [2022-07-19 23:59:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:59:20,793 INFO L93 Difference]: Finished difference Result 8838 states and 14050 transitions. [2022-07-19 23:59:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:59:20,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 163 [2022-07-19 23:59:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:59:20,860 INFO L225 Difference]: With dead ends: 8838 [2022-07-19 23:59:20,860 INFO L226 Difference]: Without dead ends: 6019 [2022-07-19 23:59:20,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:59:20,885 INFO L413 NwaCegarLoop]: 4582 mSDtfsCounter, 6613 mSDsluCounter, 6604 mSDsCounter, 0 mSdLazyCounter, 6468 mSolverCounterSat, 3608 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7050 SdHoareTripleChecker+Valid, 11186 SdHoareTripleChecker+Invalid, 10087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3608 IncrementalHoareTripleChecker+Valid, 6468 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:59:20,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7050 Valid, 11186 Invalid, 10087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3608 Valid, 6468 Invalid, 11 Unknown, 0 Unchecked, 44.6s Time] [2022-07-19 23:59:20,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6019 states. [2022-07-19 23:59:21,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6019 to 4678. [2022-07-19 23:59:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4678 states, 3312 states have (on average 1.3393719806763285) internal successors, (4436), 3445 states have internal predecessors, (4436), 1093 states have call successors, (1093), 271 states have call predecessors, (1093), 272 states have return successors, (1100), 1050 states have call predecessors, (1100), 1092 states have call successors, (1100) [2022-07-19 23:59:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4678 states and 6629 transitions. [2022-07-19 23:59:21,331 INFO L78 Accepts]: Start accepts. Automaton has 4678 states and 6629 transitions. Word has length 163 [2022-07-19 23:59:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:59:21,333 INFO L495 AbstractCegarLoop]: Abstraction has 4678 states and 6629 transitions. [2022-07-19 23:59:21,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:59:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4678 states and 6629 transitions. [2022-07-19 23:59:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-19 23:59:21,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:59:21,362 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:59:21,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:59:21,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:59:21,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:59:21,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1883964481, now seen corresponding path program 1 times [2022-07-19 23:59:21,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:59:21,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008607826] [2022-07-19 23:59:21,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:59:21,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:59:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:59:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:59:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:59:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:59:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 23:59:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:59:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:59:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 23:59:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-19 23:59:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-19 23:59:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-19 23:59:22,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:59:22,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008607826] [2022-07-19 23:59:22,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008607826] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:59:22,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614906717] [2022-07-19 23:59:22,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:59:22,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:59:22,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:59:22,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:59:22,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 23:59:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:24,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 8209 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 23:59:24,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:59:24,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-07-19 23:59:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-19 23:59:24,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:59:24,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614906717] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:59:24,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:59:24,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2022-07-19 23:59:24,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171398670] [2022-07-19 23:59:24,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:59:24,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:59:24,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:59:24,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:59:24,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-07-19 23:59:24,673 INFO L87 Difference]: Start difference. First operand 4678 states and 6629 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:59:27,976 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 [] [2022-07-19 23:59:30,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:32,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:35,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:37,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:40,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:42,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:43,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:45,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:47,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:48,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:59:48,651 INFO L93 Difference]: Finished difference Result 9353 states and 13299 transitions. [2022-07-19 23:59:48,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:59:48,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 167 [2022-07-19 23:59:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:59:48,680 INFO L225 Difference]: With dead ends: 9353 [2022-07-19 23:59:48,680 INFO L226 Difference]: Without dead ends: 4686 [2022-07-19 23:59:48,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-07-19 23:59:48,704 INFO L413 NwaCegarLoop]: 3933 mSDtfsCounter, 1 mSDsluCounter, 10948 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14881 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:59:48,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14881 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 866 Invalid, 7 Unknown, 0 Unchecked, 23.7s Time] [2022-07-19 23:59:48,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4686 states. [2022-07-19 23:59:48,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4686 to 4686. [2022-07-19 23:59:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4686 states, 3320 states have (on average 1.3391566265060242) internal successors, (4446), 3453 states have internal predecessors, (4446), 1093 states have call successors, (1093), 271 states have call predecessors, (1093), 272 states have return successors, (1100), 1050 states have call predecessors, (1100), 1092 states have call successors, (1100) [2022-07-19 23:59:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4686 states and 6639 transitions. [2022-07-19 23:59:48,990 INFO L78 Accepts]: Start accepts. Automaton has 4686 states and 6639 transitions. Word has length 167 [2022-07-19 23:59:48,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:59:48,992 INFO L495 AbstractCegarLoop]: Abstraction has 4686 states and 6639 transitions. [2022-07-19 23:59:48,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-19 23:59:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4686 states and 6639 transitions. [2022-07-19 23:59:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-19 23:59:49,011 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:59:49,012 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:59:49,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:59:49,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:59:49,227 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:59:49,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:59:49,228 INFO L85 PathProgramCache]: Analyzing trace with hash -106106101, now seen corresponding path program 1 times [2022-07-19 23:59:49,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:59:49,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797754091] [2022-07-19 23:59:49,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:59:49,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:59:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:59:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:59:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:59:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:59:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 23:59:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 23:59:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:59:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 23:59:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-19 23:59:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:59:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:59:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-19 23:59:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:59:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-19 23:59:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-19 23:59:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-19 23:59:50,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:59:50,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797754091] [2022-07-19 23:59:50,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797754091] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:59:50,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211642730] [2022-07-19 23:59:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:59:50,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:59:50,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:59:50,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 23:59:50,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 23:59:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:59:52,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 8352 conjuncts, 59 conjunts are in the unsatisfiable core [2022-07-19 23:59:52,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:59:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-19 23:59:52,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:59:52,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211642730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:59:52,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:59:52,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 15 [2022-07-19 23:59:52,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767892971] [2022-07-19 23:59:52,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:59:52,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:59:52,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:59:52,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:59:52,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-19 23:59:52,319 INFO L87 Difference]: Start difference. First operand 4686 states and 6639 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-19 23:59:55,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:59:57,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:04,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:06,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:08,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:00:08,978 INFO L93 Difference]: Finished difference Result 10803 states and 16362 transitions. [2022-07-20 00:00:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:00:08,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 187 [2022-07-20 00:00:08,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:00:09,061 INFO L225 Difference]: With dead ends: 10803 [2022-07-20 00:00:09,061 INFO L226 Difference]: Without dead ends: 10800 [2022-07-20 00:00:09,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 229 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:00:09,074 INFO L413 NwaCegarLoop]: 5559 mSDtfsCounter, 6167 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 4336 mSolverCounterSat, 2474 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6678 SdHoareTripleChecker+Valid, 10256 SdHoareTripleChecker+Invalid, 6814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2474 IncrementalHoareTripleChecker+Valid, 4336 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:00:09,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6678 Valid, 10256 Invalid, 6814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2474 Valid, 4336 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-07-20 00:00:09,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10800 states. [2022-07-20 00:00:09,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10800 to 10360. [2022-07-20 00:00:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10360 states, 7290 states have (on average 1.3337448559670781) internal successors, (9723), 7564 states have internal predecessors, (9723), 2431 states have call successors, (2431), 524 states have call predecessors, (2431), 638 states have return successors, (3495), 2462 states have call predecessors, (3495), 2430 states have call successors, (3495) [2022-07-20 00:00:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 15649 transitions. [2022-07-20 00:00:09,820 INFO L78 Accepts]: Start accepts. Automaton has 10360 states and 15649 transitions. Word has length 187 [2022-07-20 00:00:09,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:00:09,822 INFO L495 AbstractCegarLoop]: Abstraction has 10360 states and 15649 transitions. [2022-07-20 00:00:09,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 00:00:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 10360 states and 15649 transitions. [2022-07-20 00:00:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-20 00:00:09,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:00:09,872 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:00:09,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:00:10,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-20 00:00:10,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:00:10,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:00:10,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2097714143, now seen corresponding path program 1 times [2022-07-20 00:00:10,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:00:10,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410586323] [2022-07-20 00:00:10,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:00:10,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:00:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:00:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 00:00:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 00:00:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 00:00:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 00:00:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 00:00:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 00:00:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:00:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 00:00:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:00:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 00:00:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:00:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 00:00:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:00:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:00:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-20 00:00:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 00:00:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 00:00:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:00:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:00:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-20 00:00:10,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:00:10,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410586323] [2022-07-20 00:00:10,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410586323] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:00:10,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:00:10,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:00:10,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459110728] [2022-07-20 00:00:10,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:00:10,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:00:10,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:00:10,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:00:10,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:00:10,956 INFO L87 Difference]: Start difference. First operand 10360 states and 15649 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 00:00:17,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:18,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:21,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:24,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:26,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:29,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:32,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:34,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:41,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:42,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:45,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:51,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:53,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:55,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:57,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:00:59,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:01,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:03,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:05,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:11,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:21,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:23,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:26,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:29,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:31,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:33,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:35,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:37,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:39,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:41,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:43,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:45,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:48,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:01:57,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:01:57,546 INFO L93 Difference]: Finished difference Result 37870 states and 67419 transitions. [2022-07-20 00:01:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-20 00:01:57,547 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 222 [2022-07-20 00:01:57,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:01:57,781 INFO L225 Difference]: With dead ends: 37870 [2022-07-20 00:01:57,781 INFO L226 Difference]: Without dead ends: 27521 [2022-07-20 00:01:57,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2022-07-20 00:01:57,918 INFO L413 NwaCegarLoop]: 4871 mSDtfsCounter, 13299 mSDsluCounter, 15390 mSDsCounter, 0 mSdLazyCounter, 23447 mSolverCounterSat, 8725 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13787 SdHoareTripleChecker+Valid, 20261 SdHoareTripleChecker+Invalid, 32200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8725 IncrementalHoareTripleChecker+Valid, 23447 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:01:57,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13787 Valid, 20261 Invalid, 32200 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8725 Valid, 23447 Invalid, 28 Unknown, 0 Unchecked, 104.3s Time] [2022-07-20 00:01:57,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27521 states. [2022-07-20 00:02:00,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27521 to 22595. [2022-07-20 00:02:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 15856 states have (on average 1.3268794147325933) internal successors, (21039), 16414 states have internal predecessors, (21039), 5283 states have call successors, (5283), 1051 states have call predecessors, (5283), 1455 states have return successors, (10812), 5543 states have call predecessors, (10812), 5282 states have call successors, (10812) [2022-07-20 00:02:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 37134 transitions. [2022-07-20 00:02:00,371 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 37134 transitions. Word has length 222 [2022-07-20 00:02:00,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:02:00,372 INFO L495 AbstractCegarLoop]: Abstraction has 22595 states and 37134 transitions. [2022-07-20 00:02:00,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 00:02:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 37134 transitions. [2022-07-20 00:02:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-07-20 00:02:00,427 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:02:00,428 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:02:00,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:02:00,428 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:02:00,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:02:00,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1391081742, now seen corresponding path program 1 times [2022-07-20 00:02:00,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:02:00,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012354636] [2022-07-20 00:02:00,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:02:00,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:02:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:02:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 00:02:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 00:02:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 00:02:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 00:02:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 00:02:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:02:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:02:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:02:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 00:02:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:02:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:02:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:02:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:02:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:02:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:02:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:02:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:02:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:02:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 00:02:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-20 00:02:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:02:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 00:02:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 00:02:01,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:02:01,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012354636] [2022-07-20 00:02:01,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012354636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:02:01,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:02:01,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-20 00:02:01,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221642096] [2022-07-20 00:02:01,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:02:01,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:02:01,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:02:01,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:02:01,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:02:01,764 INFO L87 Difference]: Start difference. First operand 22595 states and 37134 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (23), 9 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 00:02:08,243 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 [] [2022-07-20 00:02:10,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:02:12,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:02:14,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:02:17,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []