./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.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 a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:14:48,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:14:48,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:14:48,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:14:48,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:14:48,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:14:48,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:14:48,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:14:48,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:14:48,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:14:48,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:14:48,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:14:48,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:14:48,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:14:48,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:14:48,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:14:48,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:14:48,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:14:48,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:14:48,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:14:48,902 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:14:48,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:14:48,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:14:48,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:14:48,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:14:48,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:14:48,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:14:48,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:14:48,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:14:48,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:14:48,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:14:48,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:14:48,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:14:48,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:14:48,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:14:48,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:14:48,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:14:48,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:14:48,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:14:48,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:14:48,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:14:48,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:14:48,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:14:48,952 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:14:48,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:14:48,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:14:48,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:14:48,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:14:48,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:14:48,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:14:48,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:14:48,954 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:14:48,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:14:48,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:14:48,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:14:48,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:14:48,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:14:48,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:14:48,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:14:48,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:14:48,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:14:48,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:14:48,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:14:48,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:14:48,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:14:48,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:14:48,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:14:48,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:14:48,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:14:48,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:14:48,958 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:14:48,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:14:48,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:14:48,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 [2022-07-14 02:14:49,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:14:49,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:14:49,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:14:49,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:14:49,228 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:14:49,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2022-07-14 02:14:49,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2430ce90/fa7439b51a7c435f99039215e5e11cf6/FLAG36fd92c54 [2022-07-14 02:14:49,997 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:14:49,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2022-07-14 02:14:50,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2430ce90/fa7439b51a7c435f99039215e5e11cf6/FLAG36fd92c54 [2022-07-14 02:14:50,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2430ce90/fa7439b51a7c435f99039215e5e11cf6 [2022-07-14 02:14:50,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:14:50,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:14:50,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:14:50,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:14:50,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:14:50,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:14:50" (1/1) ... [2022-07-14 02:14:50,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f52c9c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:50, skipping insertion in model container [2022-07-14 02:14:50,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:14:50" (1/1) ... [2022-07-14 02:14:50,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:14:50,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:14:53,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2022-07-14 02:14:53,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:14:53,249 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:14:53,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2022-07-14 02:14:53,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:14:53,938 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:14:53,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53 WrapperNode [2022-07-14 02:14:53,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:14:53,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:14:53,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:14:53,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:14:53,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,403 INFO L137 Inliner]: procedures = 426, calls = 3809, calls flagged for inlining = 222, calls inlined = 215, statements flattened = 10536 [2022-07-14 02:14:54,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:14:54,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:14:54,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:14:54,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:14:54,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:14:54,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:14:54,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:14:54,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:14:54,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (1/1) ... [2022-07-14 02:14:54,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:14:54,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:14:54,875 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 02:14:54,891 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 02:14:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 02:14:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:14:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:14:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:14:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:14:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-07-14 02:14:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-07-14 02:14:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 02:14:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 02:14:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-07-14 02:14:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-07-14 02:14:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2022-07-14 02:14:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2022-07-14 02:14:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:14:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:14:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-14 02:14:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-14 02:14:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-14 02:14:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-14 02:14:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 02:14:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 02:14:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:14:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:14:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2022-07-14 02:14:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2022-07-14 02:14:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-07-14 02:14:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-07-14 02:14:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-07-14 02:14:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-07-14 02:14:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-07-14 02:14:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-07-14 02:14:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:14:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:14:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2022-07-14 02:14:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2022-07-14 02:14:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-07-14 02:14:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-07-14 02:14:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 02:14:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-07-14 02:14:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-07-14 02:14:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:14:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:14:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-07-14 02:14:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-07-14 02:14:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:14:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:14:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:14:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2022-07-14 02:14:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2022-07-14 02:14:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-07-14 02:14:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-07-14 02:14:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-14 02:14:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-14 02:14:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-14 02:14:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-14 02:14:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:14:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:14:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2022-07-14 02:14:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2022-07-14 02:14:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:14:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:14:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:14:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:14:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 02:14:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 02:14:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2022-07-14 02:14:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2022-07-14 02:14:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-07-14 02:14:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-07-14 02:14:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:14:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-07-14 02:14:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-07-14 02:14:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-07-14 02:14:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-07-14 02:14:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:14:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:14:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-07-14 02:14:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-07-14 02:14:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:14:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-07-14 02:14:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-07-14 02:14:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-14 02:14:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-14 02:14:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-07-14 02:14:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-07-14 02:14:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:14:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-07-14 02:14:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-07-14 02:14:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:14:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:14:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-07-14 02:14:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-07-14 02:14:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:14:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:14:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2022-07-14 02:14:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2022-07-14 02:14:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-07-14 02:14:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-07-14 02:14:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:14:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:14:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 02:14:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 02:14:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-07-14 02:14:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-07-14 02:14:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2022-07-14 02:14:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2022-07-14 02:14:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-07-14 02:14:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-07-14 02:14:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-07-14 02:14:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-07-14 02:14:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 02:14:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 02:14:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-07-14 02:14:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-07-14 02:14:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-14 02:14:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-14 02:14:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:14:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-14 02:14:54,924 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-14 02:14:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:14:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-07-14 02:14:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-07-14 02:14:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:14:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2022-07-14 02:14:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2022-07-14 02:14:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:14:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2022-07-14 02:14:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2022-07-14 02:14:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-14 02:14:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-14 02:14:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2022-07-14 02:14:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2022-07-14 02:14:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2022-07-14 02:14:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2022-07-14 02:14:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-07-14 02:14:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-07-14 02:14:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 02:14:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 02:14:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-07-14 02:14:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-07-14 02:14:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2022-07-14 02:14:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2022-07-14 02:14:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-07-14 02:14:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-07-14 02:14:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_compat_ioctl [2022-07-14 02:14:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_compat_ioctl [2022-07-14 02:14:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 02:14:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 02:14:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:14:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:14:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2022-07-14 02:14:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2022-07-14 02:14:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-07-14 02:14:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-07-14 02:14:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:14:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:14:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 02:14:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 02:14:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-07-14 02:14:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-07-14 02:14:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:14:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:14:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:14:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:14:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 02:14:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 02:14:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:14:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:14:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-14 02:14:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-14 02:14:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2022-07-14 02:14:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2022-07-14 02:14:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-07-14 02:14:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-07-14 02:14:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 02:14:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 02:14:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 02:14:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 02:14:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-07-14 02:14:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-07-14 02:14:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:14:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:14:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 02:14:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 02:14:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:14:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:14:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-14 02:14:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-14 02:14:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-07-14 02:14:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-07-14 02:14:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-14 02:14:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-14 02:14:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-14 02:14:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-14 02:14:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:14:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:14:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:14:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:14:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-07-14 02:14:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-07-14 02:14:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 02:14:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 02:14:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-14 02:14:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-14 02:14:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:14:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-07-14 02:14:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-07-14 02:14:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-07-14 02:14:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-07-14 02:14:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-07-14 02:14:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-07-14 02:14:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 02:14:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 02:14:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 02:14:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 02:14:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 02:14:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 02:14:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-07-14 02:14:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-07-14 02:14:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-07-14 02:14:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-07-14 02:14:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-07-14 02:14:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-07-14 02:14:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-07-14 02:14:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-07-14 02:14:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:14:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:14:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-07-14 02:14:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-07-14 02:14:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 02:14:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 02:14:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2022-07-14 02:14:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2022-07-14 02:14:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2022-07-14 02:14:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2022-07-14 02:14:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-07-14 02:14:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-07-14 02:14:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-14 02:14:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-14 02:14:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:14:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:14:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2022-07-14 02:14:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2022-07-14 02:14:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:14:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:14:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-07-14 02:14:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-07-14 02:14:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-07-14 02:14:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-07-14 02:14:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:14:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldisc_receive_buf [2022-07-14 02:14:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldisc_receive_buf [2022-07-14 02:14:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:14:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:14:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-07-14 02:14:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-07-14 02:14:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 02:14:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 02:14:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 02:14:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 02:14:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-07-14 02:14:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-07-14 02:14:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-07-14 02:14:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-07-14 02:14:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 02:14:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 02:14:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2022-07-14 02:14:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2022-07-14 02:14:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2022-07-14 02:14:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2022-07-14 02:14:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-07-14 02:14:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-07-14 02:14:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 02:14:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 02:14:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-07-14 02:14:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-07-14 02:14:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-07-14 02:14:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-07-14 02:14:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 02:14:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 02:14:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-07-14 02:14:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-07-14 02:14:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-07-14 02:14:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-07-14 02:14:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:14:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-07-14 02:14:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-07-14 02:14:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-07-14 02:14:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-07-14 02:14:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-07-14 02:14:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-07-14 02:14:56,062 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:14:56,065 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:14:56,386 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:15:25,081 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:15:25,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:15:25,120 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 02:15:25,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:15:25 BoogieIcfgContainer [2022-07-14 02:15:25,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:15:25,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:15:25,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:15:25,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:15:25,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:14:50" (1/3) ... [2022-07-14 02:15:25,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7131b68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:15:25, skipping insertion in model container [2022-07-14 02:15:25,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:14:53" (2/3) ... [2022-07-14 02:15:25,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7131b68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:15:25, skipping insertion in model container [2022-07-14 02:15:25,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:15:25" (3/3) ... [2022-07-14 02:15:25,139 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2022-07-14 02:15:25,154 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:15:25,155 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:15:25,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:15:25,283 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@2fd8178d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4fcf08c2 [2022-07-14 02:15:25,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:15:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 3928 states, 2965 states have (on average 1.5116357504215852) internal successors, (4482), 3068 states have internal predecessors, (4482), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) [2022-07-14 02:15:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-14 02:15:25,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:15:25,336 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:25,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:15:25,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:15:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash -741900599, now seen corresponding path program 1 times [2022-07-14 02:15:25,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:15:25,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341212605] [2022-07-14 02:15:25,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:25,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:15:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:15:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:15:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:15:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:15:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:15:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:15:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:15:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:15:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:15:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:15:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 02:15:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-14 02:15:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 02:15:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 02:15:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 02:15:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 02:15:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:15:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:15:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:15:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 02:15:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 02:15:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-14 02:15:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 02:15:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 02:15:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 02:15:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-14 02:15:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 02:15:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:26,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-14 02:15:26,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:15:26,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341212605] [2022-07-14 02:15:26,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341212605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:15:26,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:15:26,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:15:26,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125249624] [2022-07-14 02:15:26,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:15:26,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:15:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:15:26,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:15:26,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:15:26,778 INFO L87 Difference]: Start difference. First operand has 3928 states, 2965 states have (on average 1.5116357504215852) internal successors, (4482), 3068 states have internal predecessors, (4482), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 02:15:30,169 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 02:15:32,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:34,621 WARN L534 Checker$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 02:15:37,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:39,681 WARN L534 Checker$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 02:15:43,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:48,662 WARN L534 Checker$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 02:15:50,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:51,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:53,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:57,411 WARN L534 Checker$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 02:15:59,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:01,845 WARN L534 Checker$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 02:16:03,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:05,760 WARN L534 Checker$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 02:16:07,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:10,088 WARN L534 Checker$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 02:16:12,119 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 02:16:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:16:13,059 INFO L93 Difference]: Finished difference Result 8170 states and 13028 transitions. [2022-07-14 02:16:13,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 02:16:13,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 375 [2022-07-14 02:16:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:16:13,103 INFO L225 Difference]: With dead ends: 8170 [2022-07-14 02:16:13,104 INFO L226 Difference]: Without dead ends: 4225 [2022-07-14 02:16:13,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:16:13,139 INFO L413 NwaCegarLoop]: 5435 mSDtfsCounter, 2624 mSDsluCounter, 5161 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 2108 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 10596 SdHoareTripleChecker+Invalid, 5103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2108 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:16:13,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 10596 Invalid, 5103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2108 Valid, 2980 Invalid, 15 Unknown, 0 Unchecked, 45.7s Time] [2022-07-14 02:16:13,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4225 states. [2022-07-14 02:16:13,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4225 to 3906. [2022-07-14 02:16:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 2958 states have (on average 1.4050033806626099) internal successors, (4156), 3047 states have internal predecessors, (4156), 813 states have call successors, (813), 135 states have call predecessors, (813), 134 states have return successors, (812), 792 states have call predecessors, (812), 812 states have call successors, (812) [2022-07-14 02:16:13,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5781 transitions. [2022-07-14 02:16:13,389 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5781 transitions. Word has length 375 [2022-07-14 02:16:13,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:16:13,390 INFO L495 AbstractCegarLoop]: Abstraction has 3906 states and 5781 transitions. [2022-07-14 02:16:13,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 02:16:13,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5781 transitions. [2022-07-14 02:16:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-14 02:16:13,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:16:13,401 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:13,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:16:13,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:16:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:16:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash -500668875, now seen corresponding path program 1 times [2022-07-14 02:16:13,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:16:13,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216096124] [2022-07-14 02:16:13,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:16:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:16:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:16:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:16:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:16:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:16:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:16:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:16:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:16:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:16:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:16:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:16:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 02:16:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-14 02:16:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 02:16:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 02:16:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 02:16:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 02:16:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:16:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:16:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:16:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 02:16:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 02:16:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-14 02:16:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 02:16:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 02:16:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 02:16:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-14 02:16:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 02:16:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-14 02:16:14,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:16:14,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216096124] [2022-07-14 02:16:14,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216096124] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:16:14,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:16:14,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:16:14,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389248956] [2022-07-14 02:16:14,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:16:14,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:16:14,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:16:14,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:16:14,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:16:14,276 INFO L87 Difference]: Start difference. First operand 3906 states and 5781 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-14 02:16:17,121 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 02:16:19,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:23,013 WARN L534 Checker$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 02:16:28,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:30,459 WARN L534 Checker$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 02:16:32,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:35,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:41,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:43,365 WARN L534 Checker$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 02:16:45,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:49,901 WARN L534 Checker$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 02:16:51,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:54,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:56,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:58,613 WARN L534 Checker$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 02:17:00,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:03,398 WARN L534 Checker$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 02:17:05,445 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 02:17:06,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:17:06,647 INFO L93 Difference]: Finished difference Result 11876 states and 17763 transitions. [2022-07-14 02:17:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:17:06,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 375 [2022-07-14 02:17:06,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:17:06,687 INFO L225 Difference]: With dead ends: 11876 [2022-07-14 02:17:06,688 INFO L226 Difference]: Without dead ends: 8035 [2022-07-14 02:17:06,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:17:06,703 INFO L413 NwaCegarLoop]: 7175 mSDtfsCounter, 9544 mSDsluCounter, 10798 mSDsCounter, 0 mSdLazyCounter, 6616 mSolverCounterSat, 4157 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10052 SdHoareTripleChecker+Valid, 17973 SdHoareTripleChecker+Invalid, 10787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4157 IncrementalHoareTripleChecker+Valid, 6616 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:17:06,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10052 Valid, 17973 Invalid, 10787 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4157 Valid, 6616 Invalid, 14 Unknown, 0 Unchecked, 51.7s Time] [2022-07-14 02:17:06,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8035 states. [2022-07-14 02:17:06,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8035 to 7454. [2022-07-14 02:17:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7454 states, 5657 states have (on average 1.408520417182252) internal successors, (7968), 5836 states have internal predecessors, (7968), 1532 states have call successors, (1532), 262 states have call predecessors, (1532), 264 states have return successors, (1557), 1492 states have call predecessors, (1557), 1531 states have call successors, (1557) [2022-07-14 02:17:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7454 states to 7454 states and 11057 transitions. [2022-07-14 02:17:06,937 INFO L78 Accepts]: Start accepts. Automaton has 7454 states and 11057 transitions. Word has length 375 [2022-07-14 02:17:06,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:17:06,940 INFO L495 AbstractCegarLoop]: Abstraction has 7454 states and 11057 transitions. [2022-07-14 02:17:06,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-14 02:17:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 7454 states and 11057 transitions. [2022-07-14 02:17:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-07-14 02:17:06,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:17:06,951 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:06,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:17:06,952 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:17:06,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:17:06,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1126463478, now seen corresponding path program 1 times [2022-07-14 02:17:06,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:17:06,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657595824] [2022-07-14 02:17:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:17:06,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:17:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:17:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:17:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:17:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:17:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:17:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:17:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:17:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:17:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:17:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:17:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:17:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 02:17:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-14 02:17:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 02:17:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 02:17:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 02:17:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 02:17:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:17:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:17:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:17:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 02:17:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 02:17:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-14 02:17:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 02:17:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 02:17:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 02:17:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-14 02:17:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 02:17:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-14 02:17:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-14 02:17:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 02:17:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:17:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:17:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-14 02:17:07,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:17:07,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657595824] [2022-07-14 02:17:07,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657595824] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:17:07,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:17:07,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:17:07,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307131261] [2022-07-14 02:17:07,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:17:07,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:17:07,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:17:07,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:17:07,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:17:07,707 INFO L87 Difference]: Start difference. First operand 7454 states and 11057 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 02:17:10,443 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 02:17:12,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:14,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:17,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:19,485 WARN L534 Checker$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 02:17:24,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:26,084 WARN L534 Checker$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 02:17:28,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:30,529 WARN L534 Checker$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 02:17:32,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:34,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:36,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:38,362 WARN L534 Checker$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 02:17:43,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:45,559 WARN L534 Checker$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 02:17:50,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:52,238 WARN L534 Checker$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 02:17:55,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:57,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:01,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:03,988 WARN L534 Checker$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 02:18:07,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:09,580 WARN L534 Checker$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 02:18:11,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:13,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:16,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:17,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:20,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:22,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:24,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:26,617 WARN L534 Checker$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 02:18:29,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:31,206 WARN L534 Checker$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 02:18:33,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:35,547 WARN L534 Checker$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 02:18:37,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:18:37,832 INFO L93 Difference]: Finished difference Result 23249 states and 34995 transitions. [2022-07-14 02:18:37,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 02:18:37,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 407 [2022-07-14 02:18:37,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:18:37,942 INFO L225 Difference]: With dead ends: 23249 [2022-07-14 02:18:37,942 INFO L226 Difference]: Without dead ends: 15860 [2022-07-14 02:18:37,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:18:37,979 INFO L413 NwaCegarLoop]: 6224 mSDtfsCounter, 13118 mSDsluCounter, 10792 mSDsCounter, 0 mSdLazyCounter, 9408 mSolverCounterSat, 6791 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13775 SdHoareTripleChecker+Valid, 17016 SdHoareTripleChecker+Invalid, 16228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6791 IncrementalHoareTripleChecker+Valid, 9408 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:18:37,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13775 Valid, 17016 Invalid, 16228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6791 Valid, 9408 Invalid, 29 Unknown, 0 Unchecked, 89.2s Time] [2022-07-14 02:18:37,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15860 states. [2022-07-14 02:18:38,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15860 to 14357. [2022-07-14 02:18:38,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14357 states, 10919 states have (on average 1.4102023994871324) internal successors, (15398), 11274 states have internal predecessors, (15398), 2927 states have call successors, (2927), 503 states have call predecessors, (2927), 510 states have return successors, (2990), 2845 states have call predecessors, (2990), 2926 states have call successors, (2990) [2022-07-14 02:18:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14357 states to 14357 states and 21315 transitions. [2022-07-14 02:18:38,563 INFO L78 Accepts]: Start accepts. Automaton has 14357 states and 21315 transitions. Word has length 407 [2022-07-14 02:18:38,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:18:38,566 INFO L495 AbstractCegarLoop]: Abstraction has 14357 states and 21315 transitions. [2022-07-14 02:18:38,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 02:18:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 14357 states and 21315 transitions. [2022-07-14 02:18:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-14 02:18:38,581 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:18:38,581 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:38,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:18:38,581 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:18:38,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:18:38,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1919021330, now seen corresponding path program 1 times [2022-07-14 02:18:38,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:18:38,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913824281] [2022-07-14 02:18:38,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:18:38,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:18:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:18:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:18:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:18:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:18:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 02:18:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 02:18:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:18:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:18:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:18:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:18:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:18:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-14 02:18:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-14 02:18:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 02:18:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 02:18:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 02:18:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 02:18:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:18:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:18:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:18:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 02:18:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 02:18:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-14 02:18:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 02:18:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 02:18:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 02:18:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-14 02:18:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 02:18:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 02:18:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-14 02:18:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-14 02:18:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 02:18:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:18:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:18:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-14 02:18:39,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:18:39,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913824281] [2022-07-14 02:18:39,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913824281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:18:39,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:18:39,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:18:39,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923192622] [2022-07-14 02:18:39,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:18:39,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:18:39,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:18:39,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:18:39,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:18:39,302 INFO L87 Difference]: Start difference. First operand 14357 states and 21315 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-14 02:18:41,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:43,947 WARN L534 Checker$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 02:18:45,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:18:54,439 WARN L534 Checker$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 02:18:56,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:19:00,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:19:01,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:19:05,014 WARN L534 Checker$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 02:19:07,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:19:09,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []