./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-08_1a-drivers--usb--serial--usbserial.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-08_1a-drivers--usb--serial--usbserial.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 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:10:37,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:10:37,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:10:37,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:10:37,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:10:37,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:10:37,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:10:37,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:10:37,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:10:37,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:10:37,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:10:37,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:10:37,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:10:37,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:10:37,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:10:37,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:10:37,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:10:37,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:10:37,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:10:37,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:10:37,360 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:10:37,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:10:37,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:10:37,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:10:37,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:10:37,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:10:37,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:10:37,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:10:37,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:10:37,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:10:37,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:10:37,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:10:37,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:10:37,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:10:37,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:10:37,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:10:37,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:10:37,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:10:37,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:10:37,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:10:37,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:10:37,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:10:37,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:10:37,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:10:37,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:10:37,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:10:37,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:10:37,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:10:37,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:10:37,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:10:37,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:10:37,412 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:10:37,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:10:37,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:10:37,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:10:37,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:10:37,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:10:37,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:10:37,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:10:37,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:10:37,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:10:37,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:10:37,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:10:37,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:10:37,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:10:37,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:10:37,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:10:37,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:10:37,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:10:37,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:10:37,417 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:10:37,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:10:37,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:10:37,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a [2022-07-14 01:10:37,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:10:37,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:10:37,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:10:37,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:10:37,678 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:10:37,679 INFO L432 ainManager$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-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-07-14 01:10:37,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689394dca/3a307448d3a9497ab31898396b511041/FLAGad49bdac7 [2022-07-14 01:10:38,414 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:10:38,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-07-14 01:10:38,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689394dca/3a307448d3a9497ab31898396b511041/FLAGad49bdac7 [2022-07-14 01:10:38,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689394dca/3a307448d3a9497ab31898396b511041 [2022-07-14 01:10:38,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:10:38,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:10:38,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:10:38,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:10:38,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:10:38,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:10:38" (1/1) ... [2022-07-14 01:10:38,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5d80ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:38, skipping insertion in model container [2022-07-14 01:10:38,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:10:38" (1/1) ... [2022-07-14 01:10:38,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:10:38,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:10:41,224 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-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-07-14 01:10:41,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:10:41,336 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:10:41,774 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-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-07-14 01:10:41,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:10:42,003 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:10:42,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42 WrapperNode [2022-07-14 01:10:42,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:10:42,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:10:42,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:10:42,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:10:42,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,350 INFO L137 Inliner]: procedures = 388, calls = 3920, calls flagged for inlining = 190, calls inlined = 187, statements flattened = 7932 [2022-07-14 01:10:42,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:10:42,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:10:42,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:10:42,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:10:42,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:10:42,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:10:42,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:10:42,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:10:42,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (1/1) ... [2022-07-14 01:10:42,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:10:42,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:10:42,713 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 01:10:42,715 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 01:10:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-07-14 01:10:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-07-14 01:10:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-07-14 01:10:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-07-14 01:10:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-07-14 01:10:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-07-14 01:10:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 01:10:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 01:10:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:10:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:10:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-14 01:10:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-14 01:10:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-07-14 01:10:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-07-14 01:10:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-07-14 01:10:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-07-14 01:10:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-14 01:10:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-14 01:10:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-07-14 01:10:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-07-14 01:10:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:10:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:10:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-14 01:10:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-14 01:10:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2022-07-14 01:10:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2022-07-14 01:10:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-07-14 01:10:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-07-14 01:10:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-07-14 01:10:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-07-14 01:10:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-14 01:10:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-14 01:10:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-14 01:10:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-14 01:10:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2022-07-14 01:10:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2022-07-14 01:10:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-07-14 01:10:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-07-14 01:10:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-14 01:10:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-14 01:10:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2022-07-14 01:10:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2022-07-14 01:10:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 01:10:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 01:10:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-07-14 01:10:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-07-14 01:10:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-07-14 01:10:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-07-14 01:10:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-07-14 01:10:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-07-14 01:10:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-07-14 01:10:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-07-14 01:10:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 01:10:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 01:10:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:10:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:10:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-07-14 01:10:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-07-14 01:10:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-07-14 01:10:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-07-14 01:10:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 01:10:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-07-14 01:10:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-07-14 01:10:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 01:10:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 01:10:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:10:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:10:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-07-14 01:10:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-07-14 01:10:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:10:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 01:10:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 01:10:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-14 01:10:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-14 01:10:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-07-14 01:10:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-07-14 01:10:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 01:10:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 01:10:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-07-14 01:10:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-07-14 01:10:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-14 01:10:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-14 01:10:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 01:10:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 01:10:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 01:10:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-07-14 01:10:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-07-14 01:10:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 01:10:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 01:10:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 01:10:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-07-14 01:10:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-07-14 01:10:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-07-14 01:10:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-07-14 01:10:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-14 01:10:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-14 01:10:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 01:10:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 01:10:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 01:10:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-07-14 01:10:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-07-14 01:10:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-07-14 01:10:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-07-14 01:10:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-14 01:10:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-14 01:10:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-14 01:10:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-14 01:10:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:10:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:10:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:10:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:10:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:10:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 01:10:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:10:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:10:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 01:10:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 01:10:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-07-14 01:10:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-07-14 01:10:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 01:10:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 01:10:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-07-14 01:10:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-07-14 01:10:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 01:10:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 01:10:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-07-14 01:10:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-07-14 01:10:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 01:10:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 01:10:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:10:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:10:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-07-14 01:10:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-07-14 01:10:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 01:10:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 01:10:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-07-14 01:10:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-07-14 01:10:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-07-14 01:10:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-07-14 01:10:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 01:10:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 01:10:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-14 01:10:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-14 01:10:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-14 01:10:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-14 01:10:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-14 01:10:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-14 01:10:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:10:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:10:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:10:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:10:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2022-07-14 01:10:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2022-07-14 01:10:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-07-14 01:10:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-07-14 01:10:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-14 01:10:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-14 01:10:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-14 01:10:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-14 01:10:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:10:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:10:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 01:10:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 01:10:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:10:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:10:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-14 01:10:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-14 01:10:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-07-14 01:10:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-07-14 01:10:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2022-07-14 01:10:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2022-07-14 01:10:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-07-14 01:10:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-07-14 01:10:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:10:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:10:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2022-07-14 01:10:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2022-07-14 01:10:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-07-14 01:10:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-07-14 01:10:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:10:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:10:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:10:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-07-14 01:10:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-07-14 01:10:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-07-14 01:10:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-07-14 01:10:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:10:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-14 01:10:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-14 01:10:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-07-14 01:10:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-07-14 01:10:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:10:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-14 01:10:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-14 01:10:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-14 01:10:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-14 01:10:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:10:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:10:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-07-14 01:10:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-07-14 01:10:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 01:10:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 01:10:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 01:10:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 01:10:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 01:10:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 01:10:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2022-07-14 01:10:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2022-07-14 01:10:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-07-14 01:10:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-07-14 01:10:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 01:10:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 01:10:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-14 01:10:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-14 01:10:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-07-14 01:10:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-07-14 01:10:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-07-14 01:10:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-07-14 01:10:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-07-14 01:10:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-07-14 01:10:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-14 01:10:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-14 01:10:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2022-07-14 01:10:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2022-07-14 01:10:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 01:10:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 01:10:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-07-14 01:10:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-07-14 01:10:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-07-14 01:10:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-07-14 01:10:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 01:10:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 01:10:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-14 01:10:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-14 01:10:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:10:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:10:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 01:10:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2022-07-14 01:10:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2022-07-14 01:10:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-07-14 01:10:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-07-14 01:10:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-14 01:10:42,798 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-07-14 01:10:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:10:42,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:10:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-07-14 01:10:42,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-07-14 01:10:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-07-14 01:10:42,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-07-14 01:10:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2022-07-14 01:10:42,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2022-07-14 01:10:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:10:42,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:10:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-07-14 01:10:42,803 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-07-14 01:10:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2022-07-14 01:10:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2022-07-14 01:10:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-07-14 01:10:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-07-14 01:10:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 01:10:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 01:10:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-07-14 01:10:42,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-07-14 01:10:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-07-14 01:10:42,851 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-07-14 01:10:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-14 01:10:42,851 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-14 01:10:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 01:10:42,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 01:10:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:10:42,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:10:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-07-14 01:10:42,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-07-14 01:10:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 01:10:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-07-14 01:10:42,851 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-07-14 01:10:43,721 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:10:43,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:10:44,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:10:54,289 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:10:54,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:10:54,317 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:10:54,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:10:54 BoogieIcfgContainer [2022-07-14 01:10:54,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:10:54,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:10:54,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:10:54,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:10:54,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:10:38" (1/3) ... [2022-07-14 01:10:54,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c28d3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:10:54, skipping insertion in model container [2022-07-14 01:10:54,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:10:42" (2/3) ... [2022-07-14 01:10:54,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c28d3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:10:54, skipping insertion in model container [2022-07-14 01:10:54,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:10:54" (3/3) ... [2022-07-14 01:10:54,329 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-07-14 01:10:54,341 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:10:54,342 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:10:54,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:10:54,434 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@703a7862, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7b6e7f81 [2022-07-14 01:10:54,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:10:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 2348 states, 1698 states have (on average 1.3468786808009423) internal successors, (2287), 1734 states have internal predecessors, (2287), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) [2022-07-14 01:10:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-14 01:10:54,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:10:54,495 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:54,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:10:54,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:10:54,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1536291652, now seen corresponding path program 1 times [2022-07-14 01:10:54,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:10:54,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209818655] [2022-07-14 01:10:54,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:10:54,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:10:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:10:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:10:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:10:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:10:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:10:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:10:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:10:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:10:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:10:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:10:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:10:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:10:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:10:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:10:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:10:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:10:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:10:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:10:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:10:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:10:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:10:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:10:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:10:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:10:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 01:10:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-14 01:10:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:10:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:10:56,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-07-14 01:10:56,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:10:56,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209818655] [2022-07-14 01:10:56,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209818655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:10:56,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:10:56,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:10:56,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576007746] [2022-07-14 01:10:56,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:10:56,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:10:56,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:10:56,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:10:56,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:10:56,301 INFO L87 Difference]: Start difference. First operand has 2348 states, 1698 states have (on average 1.3468786808009423) internal successors, (2287), 1734 states have internal predecessors, (2287), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:11:02,720 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 01:11:10,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:11:10,061 INFO L93 Difference]: Finished difference Result 5373 states and 7946 transitions. [2022-07-14 01:11:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:11:10,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 304 [2022-07-14 01:11:10,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:11:10,129 INFO L225 Difference]: With dead ends: 5373 [2022-07-14 01:11:10,129 INFO L226 Difference]: Without dead ends: 3012 [2022-07-14 01:11:10,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:11:10,159 INFO L413 NwaCegarLoop]: 3168 mSDtfsCounter, 2817 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 2394 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2914 SdHoareTripleChecker+Valid, 6901 SdHoareTripleChecker+Invalid, 4487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2394 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:11:10,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2914 Valid, 6901 Invalid, 4487 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2394 Valid, 2092 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2022-07-14 01:11:10,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2022-07-14 01:11:10,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2330. [2022-07-14 01:11:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 1693 states have (on average 1.3396337861783816) internal successors, (2268), 1716 states have internal predecessors, (2268), 509 states have call successors, (509), 128 states have call predecessors, (509), 127 states have return successors, (507), 494 states have call predecessors, (507), 507 states have call successors, (507) [2022-07-14 01:11:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3284 transitions. [2022-07-14 01:11:10,425 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3284 transitions. Word has length 304 [2022-07-14 01:11:10,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:11:10,430 INFO L495 AbstractCegarLoop]: Abstraction has 2330 states and 3284 transitions. [2022-07-14 01:11:10,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (29), 6 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:11:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3284 transitions. [2022-07-14 01:11:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-14 01:11:10,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:11:10,450 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:10,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 01:11:10,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:11:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:11:10,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1634991194, now seen corresponding path program 1 times [2022-07-14 01:11:10,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:11:10,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740564699] [2022-07-14 01:11:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:11:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:11:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:11:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:11:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:11:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:11:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:11:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:11:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:11:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:11:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:11:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:11:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:11:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:11:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:11:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:11:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:11:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:11:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:11:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:11:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:11:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:11:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:11:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:11:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:11:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 01:11:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-14 01:11:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-07-14 01:11:11,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:11:11,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740564699] [2022-07-14 01:11:11,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740564699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:11:11,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:11:11,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:11:11,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700693866] [2022-07-14 01:11:11,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:11:11,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:11:11,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:11:11,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:11:11,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:11:11,607 INFO L87 Difference]: Start difference. First operand 2330 states and 3284 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:11:15,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:11:17,757 WARN L534 Checker$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 01:11:30,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:11:30,670 INFO L93 Difference]: Finished difference Result 8252 states and 12087 transitions. [2022-07-14 01:11:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 01:11:30,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 304 [2022-07-14 01:11:30,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:11:30,715 INFO L225 Difference]: With dead ends: 8252 [2022-07-14 01:11:30,715 INFO L226 Difference]: Without dead ends: 5959 [2022-07-14 01:11:30,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:11:30,731 INFO L413 NwaCegarLoop]: 3992 mSDtfsCounter, 8248 mSDsluCounter, 7092 mSDsCounter, 0 mSdLazyCounter, 4630 mSolverCounterSat, 5042 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8619 SdHoareTripleChecker+Valid, 11084 SdHoareTripleChecker+Invalid, 9673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5042 IncrementalHoareTripleChecker+Valid, 4630 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:11:30,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8619 Valid, 11084 Invalid, 9673 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5042 Valid, 4630 Invalid, 1 Unknown, 0 Unchecked, 18.4s Time] [2022-07-14 01:11:30,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2022-07-14 01:11:30,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 4610. [2022-07-14 01:11:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 3362 states have (on average 1.3417608566329566) internal successors, (4511), 3407 states have internal predecessors, (4511), 990 states have call successors, (990), 255 states have call predecessors, (990), 257 states have return successors, (1011), 965 states have call predecessors, (1011), 988 states have call successors, (1011) [2022-07-14 01:11:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 6512 transitions. [2022-07-14 01:11:30,971 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 6512 transitions. Word has length 304 [2022-07-14 01:11:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:11:30,975 INFO L495 AbstractCegarLoop]: Abstraction has 4610 states and 6512 transitions. [2022-07-14 01:11:30,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:11:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 6512 transitions. [2022-07-14 01:11:30,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-14 01:11:30,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:11:30,994 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:30,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 01:11:30,994 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:11:30,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:11:30,995 INFO L85 PathProgramCache]: Analyzing trace with hash -466476478, now seen corresponding path program 1 times [2022-07-14 01:11:30,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:11:30,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23222443] [2022-07-14 01:11:30,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:11:30,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:11:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:11:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:11:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:11:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:11:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:11:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:11:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:11:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:11:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:11:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:11:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:11:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:11:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:11:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:11:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:11:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:11:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:11:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:11:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:11:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:11:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:11:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:11:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:11:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:11:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 01:11:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 01:11:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 01:11:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 01:11:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:11:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:11:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-07-14 01:11:31,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:11:31,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23222443] [2022-07-14 01:11:31,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23222443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:11:31,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:11:31,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 01:11:31,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255368658] [2022-07-14 01:11:31,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:11:31,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 01:11:31,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:11:31,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 01:11:31,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:11:31,981 INFO L87 Difference]: Start difference. First operand 4610 states and 6512 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 01:11:36,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:11:38,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:11:40,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:12:06,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:12:06,729 INFO L93 Difference]: Finished difference Result 17193 states and 25675 transitions. [2022-07-14 01:12:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-14 01:12:06,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 329 [2022-07-14 01:12:06,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:12:06,817 INFO L225 Difference]: With dead ends: 17193 [2022-07-14 01:12:06,817 INFO L226 Difference]: Without dead ends: 12633 [2022-07-14 01:12:06,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-07-14 01:12:06,844 INFO L413 NwaCegarLoop]: 3980 mSDtfsCounter, 10883 mSDsluCounter, 8136 mSDsCounter, 0 mSdLazyCounter, 11158 mSolverCounterSat, 7246 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11364 SdHoareTripleChecker+Valid, 12116 SdHoareTripleChecker+Invalid, 18405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7246 IncrementalHoareTripleChecker+Valid, 11158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2022-07-14 01:12:06,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11364 Valid, 12116 Invalid, 18405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7246 Valid, 11158 Invalid, 1 Unknown, 0 Unchecked, 33.8s Time] [2022-07-14 01:12:06,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12633 states. [2022-07-14 01:12:07,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12633 to 9758. [2022-07-14 01:12:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9758 states, 7130 states have (on average 1.3396914446002806) internal successors, (9552), 7228 states have internal predecessors, (9552), 2069 states have call successors, (2069), 503 states have call predecessors, (2069), 558 states have return successors, (2518), 2066 states have call predecessors, (2518), 2067 states have call successors, (2518) [2022-07-14 01:12:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9758 states to 9758 states and 14139 transitions. [2022-07-14 01:12:07,346 INFO L78 Accepts]: Start accepts. Automaton has 9758 states and 14139 transitions. Word has length 329 [2022-07-14 01:12:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:12:07,348 INFO L495 AbstractCegarLoop]: Abstraction has 9758 states and 14139 transitions. [2022-07-14 01:12:07,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 01:12:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 9758 states and 14139 transitions. [2022-07-14 01:12:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-14 01:12:07,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:12:07,363 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:12:07,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 01:12:07,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:12:07,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:12:07,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1117689425, now seen corresponding path program 1 times [2022-07-14 01:12:07,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:12:07,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415458874] [2022-07-14 01:12:07,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:12:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:12:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:12:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:12:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:12:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:12:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:12:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:12:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:12:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:12:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:12:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:12:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:12:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:12:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:12:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:12:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:12:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:12:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:12:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:12:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:12:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:12:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:12:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:12:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:12:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 01:12:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:12:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 01:12:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 01:12:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 01:12:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2022-07-14 01:12:08,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:12:08,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415458874] [2022-07-14 01:12:08,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415458874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:12:08,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:12:08,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:12:08,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084640854] [2022-07-14 01:12:08,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:12:08,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:12:08,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:12:08,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:12:08,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:12:08,264 INFO L87 Difference]: Start difference. First operand 9758 states and 14139 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 01:12:13,128 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 01:12:15,178 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 01:12:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:12:28,591 INFO L93 Difference]: Finished difference Result 33334 states and 49887 transitions. [2022-07-14 01:12:28,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 01:12:28,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 334 [2022-07-14 01:12:28,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:12:28,741 INFO L225 Difference]: With dead ends: 33334 [2022-07-14 01:12:28,742 INFO L226 Difference]: Without dead ends: 23626 [2022-07-14 01:12:28,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:12:28,809 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 6831 mSDsluCounter, 5595 mSDsCounter, 0 mSdLazyCounter, 4309 mSolverCounterSat, 3552 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7303 SdHoareTripleChecker+Valid, 9065 SdHoareTripleChecker+Invalid, 7863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3552 IncrementalHoareTripleChecker+Valid, 4309 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:12:28,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7303 Valid, 9065 Invalid, 7863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3552 Valid, 4309 Invalid, 2 Unknown, 0 Unchecked, 19.3s Time] [2022-07-14 01:12:28,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23626 states. [2022-07-14 01:12:29,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23626 to 18486. [2022-07-14 01:12:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18486 states, 13500 states have (on average 1.3354074074074074) internal successors, (18028), 13700 states have internal predecessors, (18028), 3893 states have call successors, (3893), 981 states have call predecessors, (3893), 1092 states have return successors, (4729), 3884 states have call predecessors, (4729), 3891 states have call successors, (4729) [2022-07-14 01:12:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18486 states to 18486 states and 26650 transitions. [2022-07-14 01:12:29,956 INFO L78 Accepts]: Start accepts. Automaton has 18486 states and 26650 transitions. Word has length 334 [2022-07-14 01:12:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:12:29,957 INFO L495 AbstractCegarLoop]: Abstraction has 18486 states and 26650 transitions. [2022-07-14 01:12:29,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 01:12:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 18486 states and 26650 transitions. [2022-07-14 01:12:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-07-14 01:12:29,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:12:29,971 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:29,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 01:12:29,972 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:12:29,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:12:29,972 INFO L85 PathProgramCache]: Analyzing trace with hash -722257380, now seen corresponding path program 1 times [2022-07-14 01:12:29,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:12:29,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190036776] [2022-07-14 01:12:29,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:12:29,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:12:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:12:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:12:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:12:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:12:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:12:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:12:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:12:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:12:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:12:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:12:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:12:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:12:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:12:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:12:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:12:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:12:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:12:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:12:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:12:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:12:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:12:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:12:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:12:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:12:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 01:12:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 01:12:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:12:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:12:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 01:12:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:12:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:12:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2022-07-14 01:12:30,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:12:30,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190036776] [2022-07-14 01:12:30,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190036776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:12:30,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:12:30,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 01:12:30,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766565473] [2022-07-14 01:12:30,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:12:30,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 01:12:30,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:12:30,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 01:12:30,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:12:30,960 INFO L87 Difference]: Start difference. First operand 18486 states and 26650 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:12:33,374 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 01:12:45,161 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 01:12:59,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:12:59,828 INFO L93 Difference]: Finished difference Result 65356 states and 99039 transitions. [2022-07-14 01:12:59,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-14 01:12:59,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 337 [2022-07-14 01:12:59,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:13:00,133 INFO L225 Difference]: With dead ends: 65356 [2022-07-14 01:13:00,134 INFO L226 Difference]: Without dead ends: 46920 [2022-07-14 01:13:00,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-07-14 01:13:00,236 INFO L413 NwaCegarLoop]: 3675 mSDtfsCounter, 13826 mSDsluCounter, 5765 mSDsCounter, 0 mSdLazyCounter, 8623 mSolverCounterSat, 10251 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14340 SdHoareTripleChecker+Valid, 9440 SdHoareTripleChecker+Invalid, 18876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10251 IncrementalHoareTripleChecker+Valid, 8623 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-07-14 01:13:00,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14340 Valid, 9440 Invalid, 18876 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10251 Valid, 8623 Invalid, 2 Unknown, 0 Unchecked, 26.7s Time] [2022-07-14 01:13:00,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46920 states. [2022-07-14 01:13:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46920 to 42765. [2022-07-14 01:13:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42765 states, 31414 states have (on average 1.3307124212134718) internal successors, (41803), 31830 states have internal predecessors, (41803), 8723 states have call successors, (8723), 1929 states have call predecessors, (8723), 2627 states have return successors, (14108), 9193 states have call predecessors, (14108), 8721 states have call successors, (14108) [2022-07-14 01:13:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42765 states to 42765 states and 64634 transitions. [2022-07-14 01:13:02,931 INFO L78 Accepts]: Start accepts. Automaton has 42765 states and 64634 transitions. Word has length 337 [2022-07-14 01:13:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:13:02,932 INFO L495 AbstractCegarLoop]: Abstraction has 42765 states and 64634 transitions. [2022-07-14 01:13:02,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:13:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 42765 states and 64634 transitions. [2022-07-14 01:13:02,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-14 01:13:02,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:13:02,958 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:02,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 01:13:02,959 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:13:02,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:13:02,959 INFO L85 PathProgramCache]: Analyzing trace with hash -355799515, now seen corresponding path program 1 times [2022-07-14 01:13:02,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:13:02,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427902990] [2022-07-14 01:13:02,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:13:02,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:13:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:13:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:13:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:13:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:13:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:13:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:13:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:13:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:13:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:13:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:13:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:13:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:13:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:13:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:13:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:13:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:13:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:13:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:13:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:13:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:13:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:13:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:13:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:13:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 01:13:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-14 01:13:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 01:13:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-14 01:13:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-14 01:13:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-14 01:13:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-14 01:13:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 01:13:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-14 01:13:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 01:13:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-14 01:13:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1268 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2022-07-14 01:13:04,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:13:04,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427902990] [2022-07-14 01:13:04,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427902990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:13:04,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:13:04,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:13:04,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639193353] [2022-07-14 01:13:04,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:13:04,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:13:04,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:13:04,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:13:04,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:13:04,302 INFO L87 Difference]: Start difference. First operand 42765 states and 64634 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-14 01:13:06,687 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 01:13:12,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:13:16,967 WARN L534 Checker$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 01:13:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:13:24,810 INFO L93 Difference]: Finished difference Result 89592 states and 136972 transitions. [2022-07-14 01:13:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:13:24,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 414 [2022-07-14 01:13:24,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:13:25,206 INFO L225 Difference]: With dead ends: 89592 [2022-07-14 01:13:25,207 INFO L226 Difference]: Without dead ends: 46877 [2022-07-14 01:13:25,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-07-14 01:13:25,426 INFO L413 NwaCegarLoop]: 3332 mSDtfsCounter, 7974 mSDsluCounter, 4089 mSDsCounter, 0 mSdLazyCounter, 5146 mSolverCounterSat, 5097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8276 SdHoareTripleChecker+Valid, 7421 SdHoareTripleChecker+Invalid, 10245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5097 IncrementalHoareTripleChecker+Valid, 5146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:13:25,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8276 Valid, 7421 Invalid, 10245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5097 Valid, 5146 Invalid, 2 Unknown, 0 Unchecked, 18.0s Time] [2022-07-14 01:13:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46877 states. [2022-07-14 01:13:27,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46877 to 42765. [2022-07-14 01:13:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42765 states, 31414 states have (on average 1.3302030941618386) internal successors, (41787), 31830 states have internal predecessors, (41787), 8723 states have call successors, (8723), 1929 states have call predecessors, (8723), 2627 states have return successors, (14108), 9193 states have call predecessors, (14108), 8721 states have call successors, (14108) [2022-07-14 01:13:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42765 states to 42765 states and 64618 transitions. [2022-07-14 01:13:27,797 INFO L78 Accepts]: Start accepts. Automaton has 42765 states and 64618 transitions. Word has length 414 [2022-07-14 01:13:27,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:13:27,798 INFO L495 AbstractCegarLoop]: Abstraction has 42765 states and 64618 transitions. [2022-07-14 01:13:27,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-14 01:13:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 42765 states and 64618 transitions. [2022-07-14 01:13:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-14 01:13:27,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:13:27,827 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:27,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 01:13:27,827 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:13:27,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:13:27,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1576517780, now seen corresponding path program 1 times [2022-07-14 01:13:27,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:13:27,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672340101] [2022-07-14 01:13:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:13:27,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:13:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:13:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:13:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:13:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:13:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:13:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:13:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:13:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:13:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:13:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:13:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:13:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:13:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:13:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:13:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:13:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:13:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:13:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:13:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:13:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:13:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:13:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:13:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:13:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 01:13:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 01:13:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:13:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 01:13:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-14 01:13:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 01:13:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 01:13:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 01:13:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-14 01:13:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:13:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-14 01:13:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 01:13:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-14 01:13:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-07-14 01:13:28,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:13:28,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672340101] [2022-07-14 01:13:28,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672340101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:13:28,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:13:28,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:13:28,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426884805] [2022-07-14 01:13:28,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:13:28,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:13:28,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:13:28,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:13:28,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:13:28,991 INFO L87 Difference]: Start difference. First operand 42765 states and 64618 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (46), 8 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-14 01:13:31,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:13:52,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:14:02,581 INFO L93 Difference]: Finished difference Result 136439 states and 209334 transitions. [2022-07-14 01:14:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-14 01:14:02,582 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (46), 8 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 432 [2022-07-14 01:14:02,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:14:03,243 INFO L225 Difference]: With dead ends: 136439 [2022-07-14 01:14:03,243 INFO L226 Difference]: Without dead ends: 93724 [2022-07-14 01:14:03,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-07-14 01:14:03,552 INFO L413 NwaCegarLoop]: 5701 mSDtfsCounter, 9897 mSDsluCounter, 8756 mSDsCounter, 0 mSdLazyCounter, 10856 mSolverCounterSat, 7863 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10436 SdHoareTripleChecker+Valid, 14457 SdHoareTripleChecker+Invalid, 18720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7863 IncrementalHoareTripleChecker+Valid, 10856 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:14:03,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10436 Valid, 14457 Invalid, 18720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7863 Valid, 10856 Invalid, 1 Unknown, 0 Unchecked, 28.6s Time] [2022-07-14 01:14:03,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93724 states. [2022-07-14 01:14:07,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93724 to 85750. [2022-07-14 01:14:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85750 states, 63016 states have (on average 1.3302970674114512) internal successors, (83830), 63840 states have internal predecessors, (83830), 17425 states have call successors, (17425), 3807 states have call predecessors, (17425), 5308 states have return successors, (28649), 18462 states have call predecessors, (28649), 17423 states have call successors, (28649) [2022-07-14 01:14:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85750 states to 85750 states and 129904 transitions. [2022-07-14 01:14:09,184 INFO L78 Accepts]: Start accepts. Automaton has 85750 states and 129904 transitions. Word has length 432 [2022-07-14 01:14:09,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:14:09,185 INFO L495 AbstractCegarLoop]: Abstraction has 85750 states and 129904 transitions. [2022-07-14 01:14:09,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (46), 8 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-14 01:14:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 85750 states and 129904 transitions. [2022-07-14 01:14:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-07-14 01:14:09,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:14:09,220 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:09,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 01:14:09,220 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:14:09,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:14:09,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1521611502, now seen corresponding path program 1 times [2022-07-14 01:14:09,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:14:09,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587043346] [2022-07-14 01:14:09,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:14:09,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:14:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:14:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:14:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:14:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:14:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:14:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:14:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:14:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:14:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:14:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:14:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:14:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 01:14:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 01:14:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 01:14:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 01:14:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 01:14:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 01:14:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 01:14:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:14:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 01:14:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:14:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 01:14:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:14:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 01:14:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-14 01:14:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-14 01:14:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 01:14:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-14 01:14:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 01:14:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-14 01:14:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-14 01:14:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 01:14:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:14:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-14 01:14:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-14 01:14:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 01:14:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 01:14:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2249 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2022-07-14 01:14:10,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:14:10,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587043346] [2022-07-14 01:14:10,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587043346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:14:10,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:14:10,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:14:10,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310717589] [2022-07-14 01:14:10,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:14:10,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:14:10,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:14:10,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:14:10,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:14:10,536 INFO L87 Difference]: Start difference. First operand 85750 states and 129904 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-14 01:14:12,953 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 []