./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 791161d1 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-?-791161d [2022-07-23 00:12:20,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:12:20,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:12:20,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:12:20,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:12:20,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:12:20,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:12:20,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:12:20,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:12:20,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:12:20,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:12:20,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:12:20,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:12:20,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:12:20,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:12:20,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:12:20,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:12:20,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:12:20,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:12:20,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:12:20,189 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:12:20,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:12:20,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:12:20,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:12:20,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:12:20,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:12:20,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:12:20,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:12:20,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:12:20,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:12:20,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:12:20,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:12:20,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:12:20,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:12:20,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:12:20,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:12:20,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:12:20,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:12:20,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:12:20,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:12:20,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:12:20,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:12:20,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:12:20,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:12:20,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:12:20,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:12:20,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:12:20,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:12:20,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:12:20,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:12:20,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:12:20,249 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:12:20,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:12:20,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:12:20,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:12:20,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:12:20,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:12:20,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:12:20,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:12:20,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:12:20,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:12:20,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:12:20,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:12:20,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:12:20,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:12:20,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:12:20,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:12:20,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:12:20,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:12:20,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:12:20,255 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:12:20,255 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:12:20,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:12:20,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2022-07-23 00:12:20,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:12:20,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:12:20,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:12:20,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:12:20,586 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:12:20,588 INFO L432 ainManager$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 [2022-07-23 00:12:20,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cb422b0/1f580ec7993240b1bfc3dedbbe52caa5/FLAGe6ec95a96 [2022-07-23 00:12:21,532 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:12:21,533 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 [2022-07-23 00:12:21,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cb422b0/1f580ec7993240b1bfc3dedbbe52caa5/FLAGe6ec95a96 [2022-07-23 00:12:22,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cb422b0/1f580ec7993240b1bfc3dedbbe52caa5 [2022-07-23 00:12:22,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:12:22,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:12:22,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:12:22,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:12:22,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:12:22,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:12:22" (1/1) ... [2022-07-23 00:12:22,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e14a7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:22, skipping insertion in model container [2022-07-23 00:12:22,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:12:22" (1/1) ... [2022-07-23 00:12:22,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:12:22,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:12:22,686 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-23 00:12:22,687 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] [2022-07-23 00:12:23,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-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] [2022-07-23 00:12:25,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:12:25,496 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:12:25,587 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-23 00:12:25,589 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] [2022-07-23 00:12:25,605 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] [2022-07-23 00:12:25,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:12:26,168 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:12:26,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26 WrapperNode [2022-07-23 00:12:26,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:12:26,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:12:26,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:12:26,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:12:26,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:26,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:26,674 INFO L137 Inliner]: procedures = 349, calls = 4496, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 8223 [2022-07-23 00:12:26,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:12:26,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:12:26,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:12:26,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:12:26,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:26,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:26,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:26,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:27,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:27,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:27,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:27,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:12:27,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:12:27,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:12:27,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:12:27,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (1/1) ... [2022-07-23 00:12:27,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:12:27,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:12:27,269 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) [2022-07-23 00:12:27,293 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 [2022-07-23 00:12:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2022-07-23 00:12:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2022-07-23 00:12:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2022-07-23 00:12:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2022-07-23 00:12:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2022-07-23 00:12:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2022-07-23 00:12:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2022-07-23 00:12:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2022-07-23 00:12:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2022-07-23 00:12:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2022-07-23 00:12:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2022-07-23 00:12:27,314 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2022-07-23 00:12:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2022-07-23 00:12:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2022-07-23 00:12:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2022-07-23 00:12:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2022-07-23 00:12:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:12:27,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:12:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2022-07-23 00:12:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2022-07-23 00:12:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 00:12:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 00:12:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-23 00:12:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-23 00:12:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2022-07-23 00:12:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2022-07-23 00:12:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:12:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:12:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2022-07-23 00:12:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2022-07-23 00:12:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2022-07-23 00:12:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2022-07-23 00:12:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-23 00:12:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-23 00:12:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2022-07-23 00:12:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2022-07-23 00:12:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-23 00:12:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-23 00:12:27,319 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2022-07-23 00:12:27,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2022-07-23 00:12:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:12:27,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:12:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-07-23 00:12:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-07-23 00:12:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:12:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:12:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2022-07-23 00:12:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2022-07-23 00:12:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 00:12:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 00:12:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:12:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:12:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2022-07-23 00:12:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2022-07-23 00:12:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:12:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:12:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2022-07-23 00:12:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2022-07-23 00:12:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:12:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:12:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-07-23 00:12:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-07-23 00:12:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2022-07-23 00:12:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2022-07-23 00:12:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:12:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:12:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2022-07-23 00:12:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2022-07-23 00:12:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2022-07-23 00:12:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2022-07-23 00:12:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:12:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2022-07-23 00:12:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2022-07-23 00:12:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2022-07-23 00:12:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2022-07-23 00:12:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2022-07-23 00:12:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2022-07-23 00:12:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2022-07-23 00:12:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2022-07-23 00:12:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 00:12:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 00:12:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2022-07-23 00:12:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2022-07-23 00:12:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2022-07-23 00:12:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2022-07-23 00:12:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:12:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2022-07-23 00:12:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2022-07-23 00:12:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2022-07-23 00:12:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2022-07-23 00:12:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2022-07-23 00:12:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2022-07-23 00:12:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 00:12:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 00:12:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:12:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:12:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-23 00:12:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2022-07-23 00:12:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2022-07-23 00:12:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2022-07-23 00:12:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2022-07-23 00:12:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2022-07-23 00:12:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2022-07-23 00:12:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:12:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2022-07-23 00:12:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2022-07-23 00:12:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:12:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2022-07-23 00:12:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2022-07-23 00:12:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2022-07-23 00:12:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2022-07-23 00:12:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2022-07-23 00:12:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2022-07-23 00:12:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2022-07-23 00:12:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2022-07-23 00:12:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2022-07-23 00:12:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2022-07-23 00:12:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:12:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:12:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 00:12:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 00:12:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2022-07-23 00:12:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2022-07-23 00:12:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2022-07-23 00:12:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2022-07-23 00:12:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2022-07-23 00:12:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2022-07-23 00:12:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2022-07-23 00:12:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2022-07-23 00:12:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 00:12:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 00:12:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2022-07-23 00:12:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2022-07-23 00:12:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2022-07-23 00:12:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2022-07-23 00:12:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 00:12:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 00:12:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2022-07-23 00:12:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2022-07-23 00:12:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 00:12:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 00:12:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2022-07-23 00:12:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2022-07-23 00:12:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 00:12:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 00:12:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-23 00:12:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-23 00:12:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2022-07-23 00:12:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2022-07-23 00:12:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-23 00:12:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-23 00:12:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2022-07-23 00:12:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2022-07-23 00:12:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 00:12:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 00:12:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-23 00:12:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-23 00:12:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-23 00:12:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-23 00:12:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2022-07-23 00:12:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2022-07-23 00:12:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-23 00:12:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-23 00:12:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 00:12:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 00:12:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2022-07-23 00:12:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2022-07-23 00:12:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:12:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2022-07-23 00:12:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2022-07-23 00:12:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2022-07-23 00:12:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2022-07-23 00:12:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 00:12:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 00:12:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2022-07-23 00:12:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2022-07-23 00:12:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2022-07-23 00:12:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2022-07-23 00:12:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2022-07-23 00:12:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2022-07-23 00:12:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2022-07-23 00:12:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2022-07-23 00:12:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2022-07-23 00:12:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2022-07-23 00:12:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2022-07-23 00:12:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2022-07-23 00:12:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 00:12:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 00:12:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2022-07-23 00:12:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2022-07-23 00:12:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:12:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2022-07-23 00:12:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2022-07-23 00:12:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2022-07-23 00:12:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2022-07-23 00:12:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2022-07-23 00:12:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2022-07-23 00:12:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 00:12:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 00:12:27,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:12:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:12:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2022-07-23 00:12:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2022-07-23 00:12:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2022-07-23 00:12:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2022-07-23 00:12:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:12:27,359 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2022-07-23 00:12:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2022-07-23 00:12:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-23 00:12:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-23 00:12:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2022-07-23 00:12:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2022-07-23 00:12:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:12:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2022-07-23 00:12:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2022-07-23 00:12:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2022-07-23 00:12:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2022-07-23 00:12:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2022-07-23 00:12:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2022-07-23 00:12:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2022-07-23 00:12:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2022-07-23 00:12:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 00:12:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 00:12:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:12:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 00:12:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 00:12:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-23 00:12:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-23 00:12:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:12:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:12:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 00:12:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 00:12:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2022-07-23 00:12:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2022-07-23 00:12:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-23 00:12:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-23 00:12:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2022-07-23 00:12:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2022-07-23 00:12:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:12:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:12:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2022-07-23 00:12:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2022-07-23 00:12:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2022-07-23 00:12:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2022-07-23 00:12:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-07-23 00:12:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-07-23 00:12:27,364 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2022-07-23 00:12:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2022-07-23 00:12:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2022-07-23 00:12:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2022-07-23 00:12:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2022-07-23 00:12:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2022-07-23 00:12:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 00:12:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 00:12:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 00:12:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 00:12:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2022-07-23 00:12:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2022-07-23 00:12:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2022-07-23 00:12:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2022-07-23 00:12:27,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 00:12:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 00:12:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2022-07-23 00:12:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2022-07-23 00:12:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2022-07-23 00:12:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2022-07-23 00:12:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2022-07-23 00:12:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2022-07-23 00:12:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2022-07-23 00:12:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2022-07-23 00:12:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-23 00:12:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-23 00:12:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-07-23 00:12:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-07-23 00:12:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2022-07-23 00:12:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2022-07-23 00:12:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:12:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:12:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 00:12:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 00:12:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2022-07-23 00:12:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2022-07-23 00:12:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2022-07-23 00:12:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2022-07-23 00:12:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2022-07-23 00:12:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2022-07-23 00:12:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2022-07-23 00:12:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2022-07-23 00:12:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2022-07-23 00:12:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2022-07-23 00:12:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:12:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2022-07-23 00:12:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2022-07-23 00:12:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 00:12:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-23 00:12:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2022-07-23 00:12:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2022-07-23 00:12:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-07-23 00:12:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-07-23 00:12:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2022-07-23 00:12:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2022-07-23 00:12:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2022-07-23 00:12:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2022-07-23 00:12:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2022-07-23 00:12:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2022-07-23 00:12:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:12:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:12:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-23 00:12:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-23 00:12:28,307 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:12:28,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:12:29,328 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:12:49,498 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:12:49,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:12:49,527 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:12:49,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:12:49 BoogieIcfgContainer [2022-07-23 00:12:49,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:12:49,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:12:49,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:12:49,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:12:49,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:12:22" (1/3) ... [2022-07-23 00:12:49,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d26923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:12:49, skipping insertion in model container [2022-07-23 00:12:49,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:12:26" (2/3) ... [2022-07-23 00:12:49,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d26923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:12:49, skipping insertion in model container [2022-07-23 00:12:49,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:12:49" (3/3) ... [2022-07-23 00:12:49,541 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 [2022-07-23 00:12:49,554 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:12:49,555 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:12:49,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:12:49,673 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@7c7da148, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6fc9b497 [2022-07-23 00:12:49,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:12:49,686 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) [2022-07-23 00:12:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-23 00:12:49,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:12:49,735 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] [2022-07-23 00:12:49,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:12:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:12:49,742 INFO L85 PathProgramCache]: Analyzing trace with hash 409351273, now seen corresponding path program 1 times [2022-07-23 00:12:49,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:12:49,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437362051] [2022-07-23 00:12:49,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:12:49,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:12:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:12:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:12:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:12:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:12:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 00:12:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:12:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:12:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:12:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 00:12:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:12:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:12:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 00:12:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:12:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:12:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:12:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:12:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:12:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 00:12:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:12:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-23 00:12:51,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:12:51,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437362051] [2022-07-23 00:12:51,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437362051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:12:51,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:12:51,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:12:51,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181599157] [2022-07-23 00:12:51,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:12:51,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:12:51,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:12:51,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:12:51,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:12:51,316 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) [2022-07-23 00:12:55,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:12:57,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:12:59,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:01,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:05,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:12,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:15,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:21,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:27,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:29,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:32,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:34,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:38,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:40,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:42,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:13:42,168 INFO L93 Difference]: Finished difference Result 8838 states and 14050 transitions. [2022-07-23 00:13:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:13:42,173 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 [2022-07-23 00:13:42,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:13:42,258 INFO L225 Difference]: With dead ends: 8838 [2022-07-23 00:13:42,258 INFO L226 Difference]: Without dead ends: 6019 [2022-07-23 00:13:42,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:13:42,300 INFO L413 NwaCegarLoop]: 4598 mSDtfsCounter, 6603 mSDsluCounter, 6569 mSDsCounter, 0 mSdLazyCounter, 6469 mSolverCounterSat, 3608 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7037 SdHoareTripleChecker+Valid, 11167 SdHoareTripleChecker+Invalid, 10086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3608 IncrementalHoareTripleChecker+Valid, 6469 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:13:42,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7037 Valid, 11167 Invalid, 10086 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3608 Valid, 6469 Invalid, 9 Unknown, 0 Unchecked, 49.7s Time] [2022-07-23 00:13:42,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6019 states. [2022-07-23 00:13:42,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6019 to 4678. [2022-07-23 00:13:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4678 states, 3312 states have (on average 1.3393719806763285) internal successors, (4436), 3445 states have internal predecessors, (4436), 1093 states have call successors, (1093), 271 states have call predecessors, (1093), 272 states have return successors, (1100), 1050 states have call predecessors, (1100), 1092 states have call successors, (1100) [2022-07-23 00:13:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4678 states and 6629 transitions. [2022-07-23 00:13:42,889 INFO L78 Accepts]: Start accepts. Automaton has 4678 states and 6629 transitions. Word has length 163 [2022-07-23 00:13:42,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:13:42,891 INFO L495 AbstractCegarLoop]: Abstraction has 4678 states and 6629 transitions. [2022-07-23 00:13:42,891 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) [2022-07-23 00:13:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4678 states and 6629 transitions. [2022-07-23 00:13:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-23 00:13:42,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:13:42,923 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] [2022-07-23 00:13:42,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:13:42,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:13:42,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:13:42,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1883964481, now seen corresponding path program 1 times [2022-07-23 00:13:42,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:13:42,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613514842] [2022-07-23 00:13:42,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:13:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:13:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:13:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:13:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:13:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:13:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 00:13:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:13:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:13:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:13:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 00:13:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:13:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:13:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:13:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:13:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:13:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 00:13:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:13:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:13:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 00:13:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-23 00:13:44,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:13:44,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613514842] [2022-07-23 00:13:44,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613514842] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:13:44,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264907502] [2022-07-23 00:13:44,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:13:44,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:13:44,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:13:44,544 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) [2022-07-23 00:13:44,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 00:13:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:13:46,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 8209 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 00:13:46,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:13:46,508 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 [2022-07-23 00:13:46,561 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-23 00:13:46,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:13:46,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264907502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:13:46,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:13:46,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2022-07-23 00:13:46,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887396768] [2022-07-23 00:13:46,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:13:46,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:13:46,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:13:46,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:13:46,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-07-23 00:13:46,566 INFO L87 Difference]: Start difference. First operand 4678 states and 6629 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 00:13:50,006 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 [] [2022-07-23 00:13:52,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:54,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:56,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:13:58,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:01,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:03,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:05,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:07,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:09,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:11,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:13,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:14:13,555 INFO L93 Difference]: Finished difference Result 9353 states and 13299 transitions. [2022-07-23 00:14:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:14:13,556 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 [2022-07-23 00:14:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:14:13,595 INFO L225 Difference]: With dead ends: 9353 [2022-07-23 00:14:13,595 INFO L226 Difference]: Without dead ends: 4686 [2022-07-23 00:14:13,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-07-23 00:14:13,627 INFO L413 NwaCegarLoop]: 3933 mSDtfsCounter, 1 mSDsluCounter, 10948 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14881 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:14:13,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14881 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 863 Invalid, 10 Unknown, 0 Unchecked, 26.6s Time] [2022-07-23 00:14:13,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4686 states. [2022-07-23 00:14:13,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4686 to 4686. [2022-07-23 00:14:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4686 states, 3320 states have (on average 1.3391566265060242) internal successors, (4446), 3453 states have internal predecessors, (4446), 1093 states have call successors, (1093), 271 states have call predecessors, (1093), 272 states have return successors, (1100), 1050 states have call predecessors, (1100), 1092 states have call successors, (1100) [2022-07-23 00:14:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4686 states and 6639 transitions. [2022-07-23 00:14:13,961 INFO L78 Accepts]: Start accepts. Automaton has 4686 states and 6639 transitions. Word has length 167 [2022-07-23 00:14:13,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:14:13,963 INFO L495 AbstractCegarLoop]: Abstraction has 4686 states and 6639 transitions. [2022-07-23 00:14:13,963 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) [2022-07-23 00:14:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4686 states and 6639 transitions. [2022-07-23 00:14:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-23 00:14:13,986 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:14:13,986 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] [2022-07-23 00:14:14,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:14:14,215 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 [2022-07-23 00:14:14,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:14:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:14:14,216 INFO L85 PathProgramCache]: Analyzing trace with hash -106106101, now seen corresponding path program 1 times [2022-07-23 00:14:14,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:14:14,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241149888] [2022-07-23 00:14:14,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:14:14,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:14:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:14:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:14:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:14:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:14,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:14:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 00:14:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:14:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:14:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 00:14:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:14:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:14:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:14:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 00:14:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 00:14:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 00:14:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 00:14:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 00:14:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 00:14:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:15,740 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-23 00:14:15,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:14:15,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241149888] [2022-07-23 00:14:15,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241149888] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:14:15,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099033474] [2022-07-23 00:14:15,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:14:15,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:14:15,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:14:15,743 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) [2022-07-23 00:14:15,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 00:14:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:17,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 8352 conjuncts, 59 conjunts are in the unsatisfiable core [2022-07-23 00:14:17,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:14:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-23 00:14:18,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:14:18,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099033474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:14:18,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:14:18,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 15 [2022-07-23 00:14:18,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234519047] [2022-07-23 00:14:18,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:14:18,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 00:14:18,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:14:18,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 00:14:18,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-23 00:14:18,067 INFO L87 Difference]: Start difference. First operand 4686 states and 6639 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 00:14:20,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:23,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:31,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:33,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:36,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:14:36,656 INFO L93 Difference]: Finished difference Result 10803 states and 16362 transitions. [2022-07-23 00:14:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:14:36,657 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 [2022-07-23 00:14:36,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:14:36,736 INFO L225 Difference]: With dead ends: 10803 [2022-07-23 00:14:36,737 INFO L226 Difference]: Without dead ends: 10800 [2022-07-23 00:14:36,748 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 [2022-07-23 00:14:36,749 INFO L413 NwaCegarLoop]: 5577 mSDtfsCounter, 6191 mSDsluCounter, 4735 mSDsCounter, 0 mSdLazyCounter, 4344 mSolverCounterSat, 2470 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6702 SdHoareTripleChecker+Valid, 10312 SdHoareTripleChecker+Invalid, 6817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2470 IncrementalHoareTripleChecker+Valid, 4344 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:14:36,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6702 Valid, 10312 Invalid, 6817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2470 Valid, 4344 Invalid, 3 Unknown, 0 Unchecked, 17.9s Time] [2022-07-23 00:14:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10800 states. [2022-07-23 00:14:37,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10800 to 10360. [2022-07-23 00:14:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10360 states, 7290 states have (on average 1.3337448559670781) internal successors, (9723), 7564 states have internal predecessors, (9723), 2431 states have call successors, (2431), 524 states have call predecessors, (2431), 638 states have return successors, (3495), 2462 states have call predecessors, (3495), 2430 states have call successors, (3495) [2022-07-23 00:14:37,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 15649 transitions. [2022-07-23 00:14:37,445 INFO L78 Accepts]: Start accepts. Automaton has 10360 states and 15649 transitions. Word has length 187 [2022-07-23 00:14:37,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:14:37,446 INFO L495 AbstractCegarLoop]: Abstraction has 10360 states and 15649 transitions. [2022-07-23 00:14:37,447 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) [2022-07-23 00:14:37,447 INFO L276 IsEmpty]: Start isEmpty. Operand 10360 states and 15649 transitions. [2022-07-23 00:14:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-23 00:14:37,492 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:14:37,493 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] [2022-07-23 00:14:37,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:14:37,714 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 [2022-07-23 00:14:37,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:14:37,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:14:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2048472229, now seen corresponding path program 1 times [2022-07-23 00:14:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:14:37,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621554271] [2022-07-23 00:14:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:14:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:14:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:14:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:14:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:14:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:14:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 00:14:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:14:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:14:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:14:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 00:14:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:14:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:14:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:14:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 00:14:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:14:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:14:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 00:14:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 00:14:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 00:14:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 00:14:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:14:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-23 00:14:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:14:38,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621554271] [2022-07-23 00:14:38,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621554271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:14:38,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:14:38,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 00:14:38,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428962958] [2022-07-23 00:14:38,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:14:38,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 00:14:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:14:38,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 00:14:38,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:14:38,737 INFO L87 Difference]: Start difference. First operand 10360 states and 15649 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-07-23 00:14:45,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:48,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:50,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:52,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:54,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:57,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:14:59,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:04,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:06,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:08,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:10,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:14,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:16,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:18,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:33,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:34,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:36,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:38,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:42,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:44,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:46,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:54,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:56,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:15:58,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:00,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:02,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:04,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:06,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:08,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:10,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:12,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:14,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:16,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:18,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:16:21,021 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 []