./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 f4b24e32 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-?-f4b24e3 [2022-07-14 00:36:44,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:36:44,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:36:44,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:36:44,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:36:44,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:36:44,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:36:44,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:36:44,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:36:44,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:36:44,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:36:44,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:36:44,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:36:44,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:36:44,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:36:44,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:36:44,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:36:44,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:36:44,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:36:44,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:36:44,957 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:36:44,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:36:44,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:36:44,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:36:44,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:36:44,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:36:44,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:36:44,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:36:44,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:36:44,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:36:44,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:36:44,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:36:44,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:36:44,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:36:44,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:36:44,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:36:44,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:36:44,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:36:44,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:36:44,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:36:44,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:36:44,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:36:44,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:36:44,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:36:44,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:36:44,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:36:44,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:36:44,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:36:44,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:36:44,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:36:44,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:36:44,994 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:36:44,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:36:44,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:36:44,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:36:44,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:36:44,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:36:44,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:36:44,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:36:44,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:36:44,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:36:44,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:36:44,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:36:44,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:36:44,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:36:44,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:36:44,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:36:44,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:36:44,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:36:44,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:36:44,997 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:36:44,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:36:44,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:36:44,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2022-07-14 00:36:45,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:36:45,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:36:45,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:36:45,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:36:45,219 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:36:45,220 INFO L432 ainManager$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 [2022-07-14 00:36:45,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3802a61f1/2f189f33db3948d5bb548f288b7df3ce/FLAG85cec66df [2022-07-14 00:36:46,006 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:36:46,007 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 [2022-07-14 00:36:46,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3802a61f1/2f189f33db3948d5bb548f288b7df3ce/FLAG85cec66df [2022-07-14 00:36:46,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3802a61f1/2f189f33db3948d5bb548f288b7df3ce [2022-07-14 00:36:46,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:36:46,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:36:46,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:36:46,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:36:46,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:36:46,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:36:46" (1/1) ... [2022-07-14 00:36:46,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7378d2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:46, skipping insertion in model container [2022-07-14 00:36:46,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:36:46" (1/1) ... [2022-07-14 00:36:46,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:36:46,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:36:47,079 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-14 00:36:47,079 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] [2022-07-14 00:36:47,306 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] [2022-07-14 00:36:48,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:36:48,414 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:36:48,493 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-07-14 00:36:48,494 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] [2022-07-14 00:36:48,505 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] [2022-07-14 00:36:48,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:36:48,888 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:36:48,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48 WrapperNode [2022-07-14 00:36:48,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:36:48,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:36:48,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:36:48,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:36:48,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,286 INFO L137 Inliner]: procedures = 349, calls = 4496, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 8223 [2022-07-14 00:36:49,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:36:49,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:36:49,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:36:49,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:36:49,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:36:49,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:36:49,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:36:49,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:36:49,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (1/1) ... [2022-07-14 00:36:49,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:36:49,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:36:49,624 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) [2022-07-14 00:36:49,663 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 [2022-07-14 00:36:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2022-07-14 00:36:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2022-07-14 00:36:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2022-07-14 00:36:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2022-07-14 00:36:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2022-07-14 00:36:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2022-07-14 00:36:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2022-07-14 00:36:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2022-07-14 00:36:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2022-07-14 00:36:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2022-07-14 00:36:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2022-07-14 00:36:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2022-07-14 00:36:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2022-07-14 00:36:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2022-07-14 00:36:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2022-07-14 00:36:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2022-07-14 00:36:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:36:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:36:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2022-07-14 00:36:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2022-07-14 00:36:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 00:36:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 00:36:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-14 00:36:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-14 00:36:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2022-07-14 00:36:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2022-07-14 00:36:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:36:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:36:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2022-07-14 00:36:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2022-07-14 00:36:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2022-07-14 00:36:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2022-07-14 00:36:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-14 00:36:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-14 00:36:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2022-07-14 00:36:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2022-07-14 00:36:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-14 00:36:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-14 00:36:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2022-07-14 00:36:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2022-07-14 00:36:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:36:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:36:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-07-14 00:36:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-07-14 00:36:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:36:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:36:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2022-07-14 00:36:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2022-07-14 00:36:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:36:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:36:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:36:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:36:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2022-07-14 00:36:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2022-07-14 00:36:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:36:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:36:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2022-07-14 00:36:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2022-07-14 00:36:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 00:36:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 00:36:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-07-14 00:36:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-07-14 00:36:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2022-07-14 00:36:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2022-07-14 00:36:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:36:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:36:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2022-07-14 00:36:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2022-07-14 00:36:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2022-07-14 00:36:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2022-07-14 00:36:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:36:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2022-07-14 00:36:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2022-07-14 00:36:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2022-07-14 00:36:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2022-07-14 00:36:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2022-07-14 00:36:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2022-07-14 00:36:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2022-07-14 00:36:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2022-07-14 00:36:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 00:36:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 00:36:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2022-07-14 00:36:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2022-07-14 00:36:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2022-07-14 00:36:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2022-07-14 00:36:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:36:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2022-07-14 00:36:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2022-07-14 00:36:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2022-07-14 00:36:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2022-07-14 00:36:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2022-07-14 00:36:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2022-07-14 00:36:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 00:36:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 00:36:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:36:49,699 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:36:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-14 00:36:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2022-07-14 00:36:49,699 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2022-07-14 00:36:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2022-07-14 00:36:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2022-07-14 00:36:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2022-07-14 00:36:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2022-07-14 00:36:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:36:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2022-07-14 00:36:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2022-07-14 00:36:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:36:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2022-07-14 00:36:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2022-07-14 00:36:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2022-07-14 00:36:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2022-07-14 00:36:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2022-07-14 00:36:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2022-07-14 00:36:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2022-07-14 00:36:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2022-07-14 00:36:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2022-07-14 00:36:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2022-07-14 00:36:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:36:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:36:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 00:36:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 00:36:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2022-07-14 00:36:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2022-07-14 00:36:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2022-07-14 00:36:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2022-07-14 00:36:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2022-07-14 00:36:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2022-07-14 00:36:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2022-07-14 00:36:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2022-07-14 00:36:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:36:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:36:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2022-07-14 00:36:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2022-07-14 00:36:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2022-07-14 00:36:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2022-07-14 00:36:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:36:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:36:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2022-07-14 00:36:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2022-07-14 00:36:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:36:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:36:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2022-07-14 00:36:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2022-07-14 00:36:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:36:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:36:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-14 00:36:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-14 00:36:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2022-07-14 00:36:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2022-07-14 00:36:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-14 00:36:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-14 00:36:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2022-07-14 00:36:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2022-07-14 00:36:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 00:36:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 00:36:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-14 00:36:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-14 00:36:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-14 00:36:49,707 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-14 00:36:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2022-07-14 00:36:49,707 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2022-07-14 00:36:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-14 00:36:49,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-14 00:36:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 00:36:49,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 00:36:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2022-07-14 00:36:49,708 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2022-07-14 00:36:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:36:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2022-07-14 00:36:49,708 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2022-07-14 00:36:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2022-07-14 00:36:49,708 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2022-07-14 00:36:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 00:36:49,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 00:36:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2022-07-14 00:36:49,709 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2022-07-14 00:36:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2022-07-14 00:36:49,709 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2022-07-14 00:36:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2022-07-14 00:36:49,709 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2022-07-14 00:36:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2022-07-14 00:36:49,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2022-07-14 00:36:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2022-07-14 00:36:49,709 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2022-07-14 00:36:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2022-07-14 00:36:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2022-07-14 00:36:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 00:36:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 00:36:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2022-07-14 00:36:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2022-07-14 00:36:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:36:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2022-07-14 00:36:49,711 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2022-07-14 00:36:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2022-07-14 00:36:49,711 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2022-07-14 00:36:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2022-07-14 00:36:49,711 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2022-07-14 00:36:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-14 00:36:49,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-14 00:36:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:36:49,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:36:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2022-07-14 00:36:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2022-07-14 00:36:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2022-07-14 00:36:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2022-07-14 00:36:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:36:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2022-07-14 00:36:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2022-07-14 00:36:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-14 00:36:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-14 00:36:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2022-07-14 00:36:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2022-07-14 00:36:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:36:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2022-07-14 00:36:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2022-07-14 00:36:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2022-07-14 00:36:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2022-07-14 00:36:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2022-07-14 00:36:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2022-07-14 00:36:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2022-07-14 00:36:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2022-07-14 00:36:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:36:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:36:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:36:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:36:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:36:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-14 00:36:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-14 00:36:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:36:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:36:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-14 00:36:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-14 00:36:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2022-07-14 00:36:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2022-07-14 00:36:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-14 00:36:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-14 00:36:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2022-07-14 00:36:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2022-07-14 00:36:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 00:36:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 00:36:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2022-07-14 00:36:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2022-07-14 00:36:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2022-07-14 00:36:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2022-07-14 00:36:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-07-14 00:36:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-07-14 00:36:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2022-07-14 00:36:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2022-07-14 00:36:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2022-07-14 00:36:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2022-07-14 00:36:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2022-07-14 00:36:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2022-07-14 00:36:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:36:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:36:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 00:36:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 00:36:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2022-07-14 00:36:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2022-07-14 00:36:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2022-07-14 00:36:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2022-07-14 00:36:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 00:36:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 00:36:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2022-07-14 00:36:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2022-07-14 00:36:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2022-07-14 00:36:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2022-07-14 00:36:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2022-07-14 00:36:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2022-07-14 00:36:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2022-07-14 00:36:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2022-07-14 00:36:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-14 00:36:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-14 00:36:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-07-14 00:36:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-07-14 00:36:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2022-07-14 00:36:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2022-07-14 00:36:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:36:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:36:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 00:36:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 00:36:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2022-07-14 00:36:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2022-07-14 00:36:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2022-07-14 00:36:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2022-07-14 00:36:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2022-07-14 00:36:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2022-07-14 00:36:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2022-07-14 00:36:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2022-07-14 00:36:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2022-07-14 00:36:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2022-07-14 00:36:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:36:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2022-07-14 00:36:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2022-07-14 00:36:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-14 00:36:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-14 00:36:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2022-07-14 00:36:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2022-07-14 00:36:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-07-14 00:36:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-07-14 00:36:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2022-07-14 00:36:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2022-07-14 00:36:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2022-07-14 00:36:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2022-07-14 00:36:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2022-07-14 00:36:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2022-07-14 00:36:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:36:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:36:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-14 00:36:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-14 00:36:50,482 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:36:50,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:36:51,195 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:37:04,514 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:37:04,551 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:37:04,552 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:37:04,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:37:04 BoogieIcfgContainer [2022-07-14 00:37:04,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:37:04,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:37:04,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:37:04,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:37:04,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:36:46" (1/3) ... [2022-07-14 00:37:04,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d2651e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:37:04, skipping insertion in model container [2022-07-14 00:37:04,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:36:48" (2/3) ... [2022-07-14 00:37:04,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d2651e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:37:04, skipping insertion in model container [2022-07-14 00:37:04,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:37:04" (3/3) ... [2022-07-14 00:37:04,561 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 [2022-07-14 00:37:04,570 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:37:04,570 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:37:04,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:37:04,675 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@2fa6c8ea, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@24beb7b4 [2022-07-14 00:37:04,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:37:04,686 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) [2022-07-14 00:37:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-14 00:37:04,723 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:37:04,724 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] [2022-07-14 00:37:04,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:37:04,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:37:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash 409351273, now seen corresponding path program 1 times [2022-07-14 00:37:04,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:37:04,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059126210] [2022-07-14 00:37:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:37:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:37:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:37:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:37:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:37:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:37:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 00:37:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:37:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 00:37:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 00:37:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 00:37:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 00:37:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-14 00:37:06,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:37:06,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059126210] [2022-07-14 00:37:06,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059126210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:37:06,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:37:06,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:37:06,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621380199] [2022-07-14 00:37:06,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:37:06,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:37:06,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:37:06,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:37:06,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:37:06,054 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) [2022-07-14 00:37:10,319 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 [] [2022-07-14 00:37:12,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:16,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:18,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:22,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:24,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:27,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:31,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:34,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:42,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:44,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:46,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:49,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:51,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:53,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:37:55,880 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 [] [2022-07-14 00:37:57,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:37:57,221 INFO L93 Difference]: Finished difference Result 8802 states and 13995 transitions. [2022-07-14 00:37:57,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:37:57,224 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 [2022-07-14 00:37:57,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:37:57,298 INFO L225 Difference]: With dead ends: 8802 [2022-07-14 00:37:57,298 INFO L226 Difference]: Without dead ends: 5983 [2022-07-14 00:37:57,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:37:57,322 INFO L413 NwaCegarLoop]: 4564 mSDtfsCounter, 6532 mSDsluCounter, 6555 mSDsCounter, 0 mSdLazyCounter, 6386 mSolverCounterSat, 3606 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6964 SdHoareTripleChecker+Valid, 11119 SdHoareTripleChecker+Invalid, 10006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3606 IncrementalHoareTripleChecker+Valid, 6386 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:37:57,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6964 Valid, 11119 Invalid, 10006 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3606 Valid, 6386 Invalid, 14 Unknown, 0 Unchecked, 50.2s Time] [2022-07-14 00:37:57,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5983 states. [2022-07-14 00:37:57,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5983 to 4648. [2022-07-14 00:37:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4648 states, 3284 states have (on average 1.3376979293544458) internal successors, (4393), 3418 states have internal predecessors, (4393), 1090 states have call successors, (1090), 271 states have call predecessors, (1090), 273 states have return successors, (1102), 1046 states have call predecessors, (1102), 1089 states have call successors, (1102) [2022-07-14 00:37:57,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 6585 transitions. [2022-07-14 00:37:57,804 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 6585 transitions. Word has length 163 [2022-07-14 00:37:57,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:37:57,806 INFO L495 AbstractCegarLoop]: Abstraction has 4648 states and 6585 transitions. [2022-07-14 00:37:57,806 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) [2022-07-14 00:37:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 6585 transitions. [2022-07-14 00:37:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-14 00:37:57,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:37:57,838 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] [2022-07-14 00:37:57,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:37:57,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:37:57,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:37:57,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1883964481, now seen corresponding path program 1 times [2022-07-14 00:37:57,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:37:57,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210747612] [2022-07-14 00:37:57,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:37:57,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:37:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:37:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:37:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:37:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:37:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-14 00:37:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-14 00:37:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:58,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 00:37:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:37:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 00:37:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:37:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:37:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 00:37:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:37:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-14 00:37:59,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:37:59,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210747612] [2022-07-14 00:37:59,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210747612] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:37:59,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753792344] [2022-07-14 00:37:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:37:59,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:37:59,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:37:59,493 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) [2022-07-14 00:37:59,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 00:38:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:01,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 8209 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 00:38:01,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:38:01,439 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 [2022-07-14 00:38:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-14 00:38:01,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:38:01,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753792344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:38:01,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:38:01,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2022-07-14 00:38:01,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815195630] [2022-07-14 00:38:01,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:38:01,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:38:01,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:38:01,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:38:01,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-07-14 00:38:01,488 INFO L87 Difference]: Start difference. First operand 4648 states and 6585 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-14 00:38:04,486 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 [] [2022-07-14 00:38:06,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:08,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:10,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:12,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:15,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:16,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:18,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:20,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:22,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:24,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:26,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:28,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:31,247 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 [] [2022-07-14 00:38:31,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:38:31,498 INFO L93 Difference]: Finished difference Result 9293 states and 13211 transitions. [2022-07-14 00:38:31,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:38:31,499 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 [2022-07-14 00:38:31,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:38:31,518 INFO L225 Difference]: With dead ends: 9293 [2022-07-14 00:38:31,518 INFO L226 Difference]: Without dead ends: 4656 [2022-07-14 00:38:31,530 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 [2022-07-14 00:38:31,532 INFO L413 NwaCegarLoop]: 3933 mSDtfsCounter, 1 mSDsluCounter, 10948 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14881 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:38:31,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14881 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 862 Invalid, 11 Unknown, 0 Unchecked, 29.8s Time] [2022-07-14 00:38:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states. [2022-07-14 00:38:31,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656. [2022-07-14 00:38:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 3292 states have (on average 1.3374848116646416) internal successors, (4403), 3426 states have internal predecessors, (4403), 1090 states have call successors, (1090), 271 states have call predecessors, (1090), 273 states have return successors, (1102), 1046 states have call predecessors, (1102), 1089 states have call successors, (1102) [2022-07-14 00:38:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6595 transitions. [2022-07-14 00:38:31,680 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 6595 transitions. Word has length 167 [2022-07-14 00:38:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:38:31,682 INFO L495 AbstractCegarLoop]: Abstraction has 4656 states and 6595 transitions. [2022-07-14 00:38:31,682 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) [2022-07-14 00:38:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 6595 transitions. [2022-07-14 00:38:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 00:38:31,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:38:31,698 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] [2022-07-14 00:38:31,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:38:31,911 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 [2022-07-14 00:38:31,911 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:38:31,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:38:31,912 INFO L85 PathProgramCache]: Analyzing trace with hash -106106101, now seen corresponding path program 1 times [2022-07-14 00:38:31,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:38:31,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306376486] [2022-07-14 00:38:31,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:38:31,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:38:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:38:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:38:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:38:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:38:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-14 00:38:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-14 00:38:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:38:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 00:38:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:38:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:38:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:38:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 00:38:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:38:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 00:38:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:38:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 00:38:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 00:38:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-14 00:38:32,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:38:32,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306376486] [2022-07-14 00:38:32,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306376486] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:38:32,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194829393] [2022-07-14 00:38:32,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:38:32,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:38:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:38:32,845 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) [2022-07-14 00:38:32,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 00:38:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:34,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 8352 conjuncts, 59 conjunts are in the unsatisfiable core [2022-07-14 00:38:34,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:38:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-14 00:38:34,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:38:34,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194829393] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:38:34,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:38:34,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 15 [2022-07-14 00:38:34,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701400368] [2022-07-14 00:38:34,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:38:34,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:38:34,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:38:34,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:38:34,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-14 00:38:34,692 INFO L87 Difference]: Start difference. First operand 4656 states and 6595 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 00:38:37,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:40,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:47,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:38:49,868 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 [] [2022-07-14 00:38:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:38:52,421 INFO L93 Difference]: Finished difference Result 10743 states and 16274 transitions. [2022-07-14 00:38:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:38:52,422 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 [2022-07-14 00:38:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:38:52,488 INFO L225 Difference]: With dead ends: 10743 [2022-07-14 00:38:52,489 INFO L226 Difference]: Without dead ends: 10740 [2022-07-14 00:38:52,495 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 [2022-07-14 00:38:52,497 INFO L413 NwaCegarLoop]: 5459 mSDtfsCounter, 6196 mSDsluCounter, 4702 mSDsCounter, 0 mSdLazyCounter, 4330 mSolverCounterSat, 2505 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6707 SdHoareTripleChecker+Valid, 10161 SdHoareTripleChecker+Invalid, 6839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2505 IncrementalHoareTripleChecker+Valid, 4330 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:38:52,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6707 Valid, 10161 Invalid, 6839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2505 Valid, 4330 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2022-07-14 00:38:52,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10740 states. [2022-07-14 00:38:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10740 to 10300. [2022-07-14 00:38:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10300 states, 7234 states have (on average 1.33218136577274) internal successors, (9637), 7510 states have internal predecessors, (9637), 2425 states have call successors, (2425), 524 states have call predecessors, (2425), 640 states have return successors, (3499), 2454 states have call predecessors, (3499), 2424 states have call successors, (3499) [2022-07-14 00:38:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10300 states to 10300 states and 15561 transitions. [2022-07-14 00:38:52,972 INFO L78 Accepts]: Start accepts. Automaton has 10300 states and 15561 transitions. Word has length 187 [2022-07-14 00:38:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:38:52,973 INFO L495 AbstractCegarLoop]: Abstraction has 10300 states and 15561 transitions. [2022-07-14 00:38:52,973 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) [2022-07-14 00:38:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 10300 states and 15561 transitions. [2022-07-14 00:38:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-14 00:38:53,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:38:53,013 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:38:53,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:38:53,239 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 [2022-07-14 00:38:53,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:38:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:38:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1563417886, now seen corresponding path program 1 times [2022-07-14 00:38:53,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:38:53,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683793651] [2022-07-14 00:38:53,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:38:53,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:38:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:38:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:38:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:38:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:38:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 00:38:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-14 00:38:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 00:38:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:38:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:38:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:38:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 00:38:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:38:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 00:38:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:38:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:38:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 00:38:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 00:38:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 00:38:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-14 00:38:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:38:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-14 00:38:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:38:53,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683793651] [2022-07-14 00:38:53,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683793651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:38:53,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:38:53,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-14 00:38:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434447520] [2022-07-14 00:38:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:38:53,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:38:53,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:38:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:38:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:38:53,906 INFO L87 Difference]: Start difference. First operand 10300 states and 15561 transitions. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 4 states have internal predecessors, (112), 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) [2022-07-14 00:38:59,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:00,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:02,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:05,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:08,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:11,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:21,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:33,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:35,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:37,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:39,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:42,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:44,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:46,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:48,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:51,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:39:57,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:00,389 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 [] [2022-07-14 00:40:07,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:40:07,058 INFO L93 Difference]: Finished difference Result 37750 states and 67243 transitions. [2022-07-14 00:40:07,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-14 00:40:07,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 221 [2022-07-14 00:40:07,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:40:07,248 INFO L225 Difference]: With dead ends: 37750 [2022-07-14 00:40:07,249 INFO L226 Difference]: Without dead ends: 27461 [2022-07-14 00:40:07,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2022-07-14 00:40:07,325 INFO L413 NwaCegarLoop]: 5194 mSDtfsCounter, 15692 mSDsluCounter, 15094 mSDsCounter, 0 mSdLazyCounter, 20432 mSolverCounterSat, 10800 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16182 SdHoareTripleChecker+Valid, 20288 SdHoareTripleChecker+Invalid, 31247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10800 IncrementalHoareTripleChecker+Valid, 20432 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:40:07,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16182 Valid, 20288 Invalid, 31247 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10800 Valid, 20432 Invalid, 15 Unknown, 0 Unchecked, 71.0s Time] [2022-07-14 00:40:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27461 states. [2022-07-14 00:40:08,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27461 to 22517. [2022-07-14 00:40:08,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22517 states, 15790 states have (on average 1.3262191260291323) internal successors, (20941), 16346 states have internal predecessors, (20941), 5273 states have call successors, (5273), 1051 states have call predecessors, (5273), 1453 states have return successors, (10802), 5531 states have call predecessors, (10802), 5272 states have call successors, (10802) [2022-07-14 00:40:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22517 states to 22517 states and 37016 transitions. [2022-07-14 00:40:08,986 INFO L78 Accepts]: Start accepts. Automaton has 22517 states and 37016 transitions. Word has length 221 [2022-07-14 00:40:08,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:40:08,987 INFO L495 AbstractCegarLoop]: Abstraction has 22517 states and 37016 transitions. [2022-07-14 00:40:08,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 4 states have internal predecessors, (112), 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) [2022-07-14 00:40:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 22517 states and 37016 transitions. [2022-07-14 00:40:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-14 00:40:09,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:40:09,020 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:40:09,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:40:09,021 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:40:09,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:40:09,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2097714143, now seen corresponding path program 1 times [2022-07-14 00:40:09,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:40:09,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380669263] [2022-07-14 00:40:09,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:40:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:40:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:40:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:40:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:40:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:40:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 00:40:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:40:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-14 00:40:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:40:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 00:40:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:40:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-14 00:40:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:40:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 00:40:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:40:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:40:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 00:40:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:40:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 00:40:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 00:40:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-14 00:40:09,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:40:09,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380669263] [2022-07-14 00:40:09,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380669263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:40:09,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:40:09,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-14 00:40:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141847063] [2022-07-14 00:40:09,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:40:09,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:40:09,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:40:09,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:40:09,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:40:09,560 INFO L87 Difference]: Start difference. First operand 22517 states and 37016 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 00:40:16,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:18,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:20,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:23,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:34,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:36,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:38,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:42,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:44,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:46,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:48,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:50,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:52,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:55,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:57,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:40:59,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:41:01,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:41:06,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:41:11,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:41:21,203 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 []