./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 35987657 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-?-3598765 [2022-07-21 11:29:33,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:29:33,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:29:33,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:29:33,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:29:33,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:29:33,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:29:33,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:29:33,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:29:33,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:29:33,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:29:33,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:29:33,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:29:33,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:29:33,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:29:33,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:29:33,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:29:33,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:29:33,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:29:33,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:29:33,313 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:29:33,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:29:33,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:29:33,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:29:33,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:29:33,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:29:33,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:29:33,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:29:33,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:29:33,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:29:33,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:29:33,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:29:33,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:29:33,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:29:33,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:29:33,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:29:33,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:29:33,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:29:33,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:29:33,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:29:33,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:29:33,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:29:33,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:29:33,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:29:33,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:29:33,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:29:33,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:29:33,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:29:33,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:29:33,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:29:33,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:29:33,359 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:29:33,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:29:33,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:29:33,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:29:33,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:29:33,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:29:33,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:29:33,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:29:33,361 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:29:33,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:29:33,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:29:33,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:29:33,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:29:33,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:29:33,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:29:33,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:29:33,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:29:33,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:29:33,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:29:33,363 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:29:33,363 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:29:33,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:29:33,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2022-07-21 11:29:33,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:29:33,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:29:33,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:29:33,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:29:33,697 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:29:33,698 INFO L432 ainManager$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 [2022-07-21 11:29:33,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73279cdf/0adae3fe4a3d4e2facfc69f28ace4f66/FLAGfe73ac6be [2022-07-21 11:29:34,405 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:29:34,405 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 [2022-07-21 11:29:34,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73279cdf/0adae3fe4a3d4e2facfc69f28ace4f66/FLAGfe73ac6be [2022-07-21 11:29:34,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73279cdf/0adae3fe4a3d4e2facfc69f28ace4f66 [2022-07-21 11:29:34,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:29:34,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:29:34,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:29:34,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:29:34,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:29:34,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:29:34" (1/1) ... [2022-07-21 11:29:34,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44253fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:34, skipping insertion in model container [2022-07-21 11:29:34,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:29:34" (1/1) ... [2022-07-21 11:29:34,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:29:34,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:29:35,044 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-21 11:29:35,046 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] [2022-07-21 11:29:35,324 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] [2022-07-21 11:29:36,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:29:36,352 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:29:36,416 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-21 11:29:36,417 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] [2022-07-21 11:29:36,428 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] [2022-07-21 11:29:36,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:29:36,766 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:29:36,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36 WrapperNode [2022-07-21 11:29:36,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:29:36,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:29:36,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:29:36,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:29:36,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:36,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,121 INFO L137 Inliner]: procedures = 349, calls = 4496, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 8223 [2022-07-21 11:29:37,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:29:37,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:29:37,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:29:37,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:29:37,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:29:37,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:29:37,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:29:37,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:29:37,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (1/1) ... [2022-07-21 11:29:37,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:29:37,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:29:37,585 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) [2022-07-21 11:29:37,603 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 [2022-07-21 11:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2022-07-21 11:29:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2022-07-21 11:29:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2022-07-21 11:29:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2022-07-21 11:29:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2022-07-21 11:29:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2022-07-21 11:29:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2022-07-21 11:29:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2022-07-21 11:29:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2022-07-21 11:29:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2022-07-21 11:29:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2022-07-21 11:29:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2022-07-21 11:29:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2022-07-21 11:29:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2022-07-21 11:29:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2022-07-21 11:29:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2022-07-21 11:29:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:29:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:29:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2022-07-21 11:29:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2022-07-21 11:29:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 11:29:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 11:29:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-21 11:29:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-21 11:29:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2022-07-21 11:29:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2022-07-21 11:29:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:29:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:29:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2022-07-21 11:29:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2022-07-21 11:29:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2022-07-21 11:29:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2022-07-21 11:29:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-21 11:29:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-21 11:29:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2022-07-21 11:29:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2022-07-21 11:29:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-21 11:29:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-21 11:29:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2022-07-21 11:29:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2022-07-21 11:29:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:29:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:29:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-07-21 11:29:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-07-21 11:29:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:29:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:29:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2022-07-21 11:29:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2022-07-21 11:29:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 11:29:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 11:29:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:29:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:29:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2022-07-21 11:29:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2022-07-21 11:29:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:29:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:29:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2022-07-21 11:29:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2022-07-21 11:29:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-21 11:29:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-21 11:29:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-07-21 11:29:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-07-21 11:29:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2022-07-21 11:29:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2022-07-21 11:29:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:29:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:29:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2022-07-21 11:29:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2022-07-21 11:29:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2022-07-21 11:29:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2022-07-21 11:29:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:29:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2022-07-21 11:29:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2022-07-21 11:29:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2022-07-21 11:29:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2022-07-21 11:29:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2022-07-21 11:29:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2022-07-21 11:29:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2022-07-21 11:29:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2022-07-21 11:29:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 11:29:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 11:29:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2022-07-21 11:29:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2022-07-21 11:29:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2022-07-21 11:29:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2022-07-21 11:29:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:29:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2022-07-21 11:29:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2022-07-21 11:29:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2022-07-21 11:29:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2022-07-21 11:29:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2022-07-21 11:29:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2022-07-21 11:29:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 11:29:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 11:29:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:29:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:29:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-21 11:29:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2022-07-21 11:29:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2022-07-21 11:29:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2022-07-21 11:29:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2022-07-21 11:29:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2022-07-21 11:29:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2022-07-21 11:29:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:29:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2022-07-21 11:29:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2022-07-21 11:29:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:29:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2022-07-21 11:29:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2022-07-21 11:29:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2022-07-21 11:29:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2022-07-21 11:29:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2022-07-21 11:29:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2022-07-21 11:29:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2022-07-21 11:29:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2022-07-21 11:29:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2022-07-21 11:29:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2022-07-21 11:29:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:29:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:29:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 11:29:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 11:29:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2022-07-21 11:29:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2022-07-21 11:29:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2022-07-21 11:29:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2022-07-21 11:29:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2022-07-21 11:29:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2022-07-21 11:29:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2022-07-21 11:29:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2022-07-21 11:29:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:29:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:29:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2022-07-21 11:29:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2022-07-21 11:29:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2022-07-21 11:29:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2022-07-21 11:29:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:29:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:29:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2022-07-21 11:29:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2022-07-21 11:29:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:29:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:29:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2022-07-21 11:29:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2022-07-21 11:29:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:29:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:29:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-21 11:29:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-21 11:29:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2022-07-21 11:29:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2022-07-21 11:29:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-21 11:29:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-21 11:29:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2022-07-21 11:29:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2022-07-21 11:29:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 11:29:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 11:29:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-21 11:29:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-21 11:29:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-21 11:29:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-21 11:29:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2022-07-21 11:29:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2022-07-21 11:29:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-21 11:29:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-21 11:29:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 11:29:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 11:29:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2022-07-21 11:29:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2022-07-21 11:29:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:29:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2022-07-21 11:29:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2022-07-21 11:29:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2022-07-21 11:29:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2022-07-21 11:29:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 11:29:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 11:29:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2022-07-21 11:29:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2022-07-21 11:29:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2022-07-21 11:29:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2022-07-21 11:29:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2022-07-21 11:29:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2022-07-21 11:29:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2022-07-21 11:29:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2022-07-21 11:29:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2022-07-21 11:29:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2022-07-21 11:29:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2022-07-21 11:29:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2022-07-21 11:29:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 11:29:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 11:29:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2022-07-21 11:29:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2022-07-21 11:29:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:29:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2022-07-21 11:29:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2022-07-21 11:29:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2022-07-21 11:29:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2022-07-21 11:29:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2022-07-21 11:29:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2022-07-21 11:29:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-21 11:29:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-21 11:29:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:29:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:29:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2022-07-21 11:29:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2022-07-21 11:29:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2022-07-21 11:29:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2022-07-21 11:29:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:29:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2022-07-21 11:29:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2022-07-21 11:29:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-21 11:29:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-21 11:29:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2022-07-21 11:29:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2022-07-21 11:29:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:29:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2022-07-21 11:29:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2022-07-21 11:29:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2022-07-21 11:29:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2022-07-21 11:29:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2022-07-21 11:29:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2022-07-21 11:29:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2022-07-21 11:29:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2022-07-21 11:29:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:29:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:29:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:29:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:29:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:29:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-21 11:29:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-21 11:29:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:29:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:29:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-21 11:29:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-21 11:29:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2022-07-21 11:29:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2022-07-21 11:29:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-21 11:29:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-21 11:29:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2022-07-21 11:29:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2022-07-21 11:29:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:29:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:29:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2022-07-21 11:29:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2022-07-21 11:29:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2022-07-21 11:29:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2022-07-21 11:29:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-07-21 11:29:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-07-21 11:29:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2022-07-21 11:29:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2022-07-21 11:29:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2022-07-21 11:29:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2022-07-21 11:29:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2022-07-21 11:29:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2022-07-21 11:29:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 11:29:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 11:29:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 11:29:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 11:29:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2022-07-21 11:29:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2022-07-21 11:29:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2022-07-21 11:29:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2022-07-21 11:29:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 11:29:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 11:29:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2022-07-21 11:29:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2022-07-21 11:29:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2022-07-21 11:29:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2022-07-21 11:29:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2022-07-21 11:29:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2022-07-21 11:29:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2022-07-21 11:29:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2022-07-21 11:29:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-21 11:29:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-21 11:29:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-07-21 11:29:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-07-21 11:29:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2022-07-21 11:29:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2022-07-21 11:29:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:29:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:29:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 11:29:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 11:29:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2022-07-21 11:29:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2022-07-21 11:29:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2022-07-21 11:29:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2022-07-21 11:29:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2022-07-21 11:29:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2022-07-21 11:29:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2022-07-21 11:29:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2022-07-21 11:29:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2022-07-21 11:29:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2022-07-21 11:29:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:29:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2022-07-21 11:29:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2022-07-21 11:29:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-21 11:29:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-21 11:29:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2022-07-21 11:29:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2022-07-21 11:29:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-07-21 11:29:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-07-21 11:29:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2022-07-21 11:29:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2022-07-21 11:29:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2022-07-21 11:29:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2022-07-21 11:29:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2022-07-21 11:29:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2022-07-21 11:29:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:29:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:29:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-21 11:29:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-21 11:29:38,327 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:29:38,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:29:38,914 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:29:52,724 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:29:52,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:29:52,745 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:29:52,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:29:52 BoogieIcfgContainer [2022-07-21 11:29:52,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:29:52,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:29:52,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:29:52,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:29:52,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:29:34" (1/3) ... [2022-07-21 11:29:52,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b86e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:29:52, skipping insertion in model container [2022-07-21 11:29:52,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:36" (2/3) ... [2022-07-21 11:29:52,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b86e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:29:52, skipping insertion in model container [2022-07-21 11:29:52,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:29:52" (3/3) ... [2022-07-21 11:29:52,756 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 [2022-07-21 11:29:52,766 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:29:52,767 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:29:52,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:29:52,857 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@44a7c69c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37f0252b [2022-07-21 11:29:52,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:29:52,867 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) [2022-07-21 11:29:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-21 11:29:52,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:29:52,907 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] [2022-07-21 11:29:52,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:29:52,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:29:52,912 INFO L85 PathProgramCache]: Analyzing trace with hash 409351273, now seen corresponding path program 1 times [2022-07-21 11:29:52,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:29:52,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613473797] [2022-07-21 11:29:52,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:29:52,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:29:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:29:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:29:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:29:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:29:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 11:29:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:29:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:29:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:29:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 11:29:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:29:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:29:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 11:29:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:29:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:29:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:29:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:29:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:29:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 11:29:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-21 11:29:53,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:29:53,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613473797] [2022-07-21 11:29:53,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613473797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:29:53,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:29:53,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:29:53,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111329668] [2022-07-21 11:29:53,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:29:53,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:29:53,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:29:53,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:29:53,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:29:53,977 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) [2022-07-21 11:29:57,684 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 [] [2022-07-21 11:30:00,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:03,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:12,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:15,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:21,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:23,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:26,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:28,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:31,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:33,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:35,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:30:35,104 INFO L93 Difference]: Finished difference Result 8782 states and 13962 transitions. [2022-07-21 11:30:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:30:35,106 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 [2022-07-21 11:30:35,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:30:35,157 INFO L225 Difference]: With dead ends: 8782 [2022-07-21 11:30:35,157 INFO L226 Difference]: Without dead ends: 5963 [2022-07-21 11:30:35,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:30:35,177 INFO L413 NwaCegarLoop]: 4539 mSDtfsCounter, 6576 mSDsluCounter, 6544 mSDsCounter, 0 mSdLazyCounter, 6366 mSolverCounterSat, 3610 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7017 SdHoareTripleChecker+Valid, 11083 SdHoareTripleChecker+Invalid, 9987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3610 IncrementalHoareTripleChecker+Valid, 6366 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:30:35,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7017 Valid, 11083 Invalid, 9987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3610 Valid, 6366 Invalid, 11 Unknown, 0 Unchecked, 40.3s Time] [2022-07-21 11:30:35,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2022-07-21 11:30:35,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 4648. [2022-07-21 11:30:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4648 states, 3284 states have (on average 1.3376979293544458) internal successors, (4393), 3418 states have internal predecessors, (4393), 1090 states have call successors, (1090), 271 states have call predecessors, (1090), 273 states have return successors, (1102), 1046 states have call predecessors, (1102), 1089 states have call successors, (1102) [2022-07-21 11:30:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 6585 transitions. [2022-07-21 11:30:35,529 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 6585 transitions. Word has length 163 [2022-07-21 11:30:35,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:30:35,530 INFO L495 AbstractCegarLoop]: Abstraction has 4648 states and 6585 transitions. [2022-07-21 11:30:35,530 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) [2022-07-21 11:30:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 6585 transitions. [2022-07-21 11:30:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-21 11:30:35,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:30:35,545 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] [2022-07-21 11:30:35,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:30:35,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:30:35,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:30:35,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1883964481, now seen corresponding path program 1 times [2022-07-21 11:30:35,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:30:35,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92355387] [2022-07-21 11:30:35,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:30:35,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:30:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:30:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:30:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:30:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:30:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:30:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:30:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:30:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:30:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:30:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:30:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:30:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:30:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:30:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:30:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 11:30:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:30:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:30:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 11:30:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-21 11:30:36,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:30:36,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92355387] [2022-07-21 11:30:36,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92355387] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:30:36,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514722957] [2022-07-21 11:30:36,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:30:36,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:30:36,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:30:36,706 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) [2022-07-21 11:30:36,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:30:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:38,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 8209 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 11:30:38,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:30:38,440 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 [2022-07-21 11:30:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-21 11:30:38,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:30:38,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514722957] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:30:38,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:30:38,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2022-07-21 11:30:38,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598594980] [2022-07-21 11:30:38,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:30:38,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:30:38,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:30:38,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:30:38,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-07-21 11:30:38,505 INFO L87 Difference]: Start difference. First operand 4648 states and 6585 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) [2022-07-21 11:30:41,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:43,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:45,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:47,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:49,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:51,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:54,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:56,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:57,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:59,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:01,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:03,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:05,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:07,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:09,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:11,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:11,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:31:11,660 INFO L93 Difference]: Finished difference Result 9293 states and 13211 transitions. [2022-07-21 11:31:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:31:11,660 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 [2022-07-21 11:31:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:31:11,743 INFO L225 Difference]: With dead ends: 9293 [2022-07-21 11:31:11,743 INFO L226 Difference]: Without dead ends: 4656 [2022-07-21 11:31:11,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-07-21 11:31:11,757 INFO L413 NwaCegarLoop]: 3933 mSDtfsCounter, 1 mSDsluCounter, 10948 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 0 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14881 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:31:11,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14881 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 860 Invalid, 13 Unknown, 0 Unchecked, 32.9s Time] [2022-07-21 11:31:11,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states. [2022-07-21 11:31:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656. [2022-07-21 11:31:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 3292 states have (on average 1.3374848116646416) internal successors, (4403), 3426 states have internal predecessors, (4403), 1090 states have call successors, (1090), 271 states have call predecessors, (1090), 273 states have return successors, (1102), 1046 states have call predecessors, (1102), 1089 states have call successors, (1102) [2022-07-21 11:31:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6595 transitions. [2022-07-21 11:31:11,912 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 6595 transitions. Word has length 167 [2022-07-21 11:31:11,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:31:11,913 INFO L495 AbstractCegarLoop]: Abstraction has 4656 states and 6595 transitions. [2022-07-21 11:31:11,913 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) [2022-07-21 11:31:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 6595 transitions. [2022-07-21 11:31:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-21 11:31:11,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:31:11,933 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] [2022-07-21 11:31:11,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:31:12,159 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 [2022-07-21 11:31:12,160 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:31:12,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:31:12,160 INFO L85 PathProgramCache]: Analyzing trace with hash -106106101, now seen corresponding path program 1 times [2022-07-21 11:31:12,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:31:12,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44409525] [2022-07-21 11:31:12,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:31:12,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:31:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:31:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:31:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:31:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:31:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:31:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:31:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:31:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:31:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:31:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:31:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:31:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 11:31:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:31:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 11:31:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 11:31:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:31:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 11:31:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-21 11:31:13,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:31:13,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44409525] [2022-07-21 11:31:13,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44409525] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:31:13,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724216665] [2022-07-21 11:31:13,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:31:13,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:31:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:31:13,238 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) [2022-07-21 11:31:13,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:31:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:14,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 8352 conjuncts, 59 conjunts are in the unsatisfiable core [2022-07-21 11:31:14,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:31:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-21 11:31:15,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:31:15,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724216665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:31:15,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:31:15,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 15 [2022-07-21 11:31:15,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92154716] [2022-07-21 11:31:15,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:31:15,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:31:15,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:31:15,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:31:15,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-21 11:31:15,046 INFO L87 Difference]: Start difference. First operand 4656 states and 6595 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) [2022-07-21 11:31:17,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:20,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:27,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:29,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:31,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:31:31,753 INFO L93 Difference]: Finished difference Result 10743 states and 16274 transitions. [2022-07-21 11:31:31,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:31:31,754 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 [2022-07-21 11:31:31,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:31:31,813 INFO L225 Difference]: With dead ends: 10743 [2022-07-21 11:31:31,813 INFO L226 Difference]: Without dead ends: 10740 [2022-07-21 11:31:31,819 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 [2022-07-21 11:31:31,822 INFO L413 NwaCegarLoop]: 5651 mSDtfsCounter, 6124 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 4330 mSolverCounterSat, 2475 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6635 SdHoareTripleChecker+Valid, 10354 SdHoareTripleChecker+Invalid, 6809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2475 IncrementalHoareTripleChecker+Valid, 4330 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:31:31,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6635 Valid, 10354 Invalid, 6809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2475 Valid, 4330 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-07-21 11:31:31,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10740 states. [2022-07-21 11:31:32,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10740 to 10300. [2022-07-21 11:31:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10300 states, 7234 states have (on average 1.33218136577274) internal successors, (9637), 7510 states have internal predecessors, (9637), 2425 states have call successors, (2425), 524 states have call predecessors, (2425), 640 states have return successors, (3499), 2454 states have call predecessors, (3499), 2424 states have call successors, (3499) [2022-07-21 11:31:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10300 states to 10300 states and 15561 transitions. [2022-07-21 11:31:32,298 INFO L78 Accepts]: Start accepts. Automaton has 10300 states and 15561 transitions. Word has length 187 [2022-07-21 11:31:32,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:31:32,299 INFO L495 AbstractCegarLoop]: Abstraction has 10300 states and 15561 transitions. [2022-07-21 11:31:32,300 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) [2022-07-21 11:31:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 10300 states and 15561 transitions. [2022-07-21 11:31:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-07-21 11:31:32,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:31:32,340 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] [2022-07-21 11:31:32,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-21 11:31:32,563 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 [2022-07-21 11:31:32,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:31:32,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:31:32,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1822880252, now seen corresponding path program 1 times [2022-07-21 11:31:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:31:32,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382083311] [2022-07-21 11:31:32,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:31:32,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:31:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:31:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:31:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:31:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:31:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:31:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 11:31:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 11:31:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:31:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 11:31:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:31:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 11:31:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:31:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:31:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:31:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:31:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:31:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:31:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:31:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 11:31:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:31:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-21 11:31:33,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:31:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382083311] [2022-07-21 11:31:33,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382083311] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:31:33,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:31:33,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 11:31:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259115911] [2022-07-21 11:31:33,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:31:33,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:31:33,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:31:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:31:33,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:31:33,210 INFO L87 Difference]: Start difference. First operand 10300 states and 15561 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 4 states have internal predecessors, (111), 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) [2022-07-21 11:31:41,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:43,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:45,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:49,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:51,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:54,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:56,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:31:58,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:09,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:11,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:14,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:16,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:18,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:20,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:30,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:32,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:34,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:36,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:38,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:40,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:43,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:45,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:47,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:49,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:51,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:53,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:32:56,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:03,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:12,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:12,931 INFO L93 Difference]: Finished difference Result 37750 states and 67243 transitions. [2022-07-21 11:33:12,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 11:33:12,932 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 4 states have internal predecessors, (111), 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 220 [2022-07-21 11:33:12,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:13,101 INFO L225 Difference]: With dead ends: 37750 [2022-07-21 11:33:13,102 INFO L226 Difference]: Without dead ends: 27461 [2022-07-21 11:33:13,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2022-07-21 11:33:13,171 INFO L413 NwaCegarLoop]: 5384 mSDtfsCounter, 12690 mSDsluCounter, 17821 mSDsCounter, 0 mSdLazyCounter, 25387 mSolverCounterSat, 8403 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13178 SdHoareTripleChecker+Valid, 23205 SdHoareTripleChecker+Invalid, 33817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8403 IncrementalHoareTripleChecker+Valid, 25387 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:13,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13178 Valid, 23205 Invalid, 33817 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8403 Valid, 25387 Invalid, 27 Unknown, 0 Unchecked, 97.5s Time] [2022-07-21 11:33:13,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27461 states. [2022-07-21 11:33:14,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27461 to 22515. [2022-07-21 11:33:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22515 states, 15788 states have (on average 1.326133772485432) internal successors, (20937), 16344 states have internal predecessors, (20937), 5273 states have call successors, (5273), 1051 states have call predecessors, (5273), 1453 states have return successors, (10802), 5531 states have call predecessors, (10802), 5272 states have call successors, (10802) [2022-07-21 11:33:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22515 states to 22515 states and 37012 transitions. [2022-07-21 11:33:14,717 INFO L78 Accepts]: Start accepts. Automaton has 22515 states and 37012 transitions. Word has length 220 [2022-07-21 11:33:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:14,717 INFO L495 AbstractCegarLoop]: Abstraction has 22515 states and 37012 transitions. [2022-07-21 11:33:14,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 4 states have internal predecessors, (111), 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) [2022-07-21 11:33:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22515 states and 37012 transitions. [2022-07-21 11:33:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-21 11:33:14,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:14,754 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, 1] [2022-07-21 11:33:14,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:33:14,754 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:14,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:14,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1181229107, now seen corresponding path program 1 times [2022-07-21 11:33:14,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:14,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826754329] [2022-07-21 11:33:14,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:14,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:33:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:33:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:33:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 11:33:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:33:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 11:33:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:33:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:33:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:33:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:33:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:33:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 11:33:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 11:33:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 11:33:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:33:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-21 11:33:16,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:16,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826754329] [2022-07-21 11:33:16,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826754329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:16,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:16,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:33:16,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014828888] [2022-07-21 11:33:16,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:16,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:33:16,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:16,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:33:16,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:33:16,005 INFO L87 Difference]: Start difference. First operand 22515 states and 37012 transitions. Second operand has 11 states, 11 states have (on average 11.090909090909092) internal successors, (122), 4 states have internal predecessors, (122), 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) [2022-07-21 11:33:21,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:23,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:25,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:27,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:29,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:31,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:34,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:37,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:39,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:41,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:43,438 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 []