./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-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-32_7a-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 bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:27:29,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:27:29,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:27:29,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:27:29,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:27:29,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:27:29,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:27:29,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:27:29,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:27:29,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:27:29,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:27:29,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:27:29,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:27:29,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:27:29,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:27:29,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:27:29,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:27:29,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:27:29,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:27:29,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:27:29,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:27:29,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:27:29,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:27:29,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:27:29,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:27:29,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:27:29,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:27:29,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:27:29,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:27:29,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:27:29,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:27:29,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:27:29,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:27:29,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:27:29,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:27:29,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:27:29,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:27:29,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:27:29,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:27:29,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:27:29,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:27:29,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:27:29,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:27:29,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:27:29,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:27:29,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:27:29,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:27:29,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:27:29,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:27:29,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:27:29,508 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:27:29,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:27:29,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:27:29,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:27:29,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:27:29,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:27:29,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:27:29,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:27:29,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:27:29,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:27:29,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:27:29,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:27:29,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:27:29,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:27:29,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:27:29,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:27:29,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:27:29,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:27:29,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:27:29,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:27:29,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:27:29,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:27:29,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:27:29,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 [2021-12-16 04:27:29,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:27:29,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:27:29,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:27:29,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:27:29,747 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:27:29,748 INFO L432 ainManager$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-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2021-12-16 04:27:29,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f8087fb/f3f048540022486fb2567e728c2e14cf/FLAG9a1cf6c59 [2021-12-16 04:27:30,595 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:27:30,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2021-12-16 04:27:30,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f8087fb/f3f048540022486fb2567e728c2e14cf/FLAG9a1cf6c59 [2021-12-16 04:27:30,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f8087fb/f3f048540022486fb2567e728c2e14cf [2021-12-16 04:27:30,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:27:30,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:27:30,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:27:30,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:27:30,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:27:30,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:27:30" (1/1) ... [2021-12-16 04:27:30,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20476570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:30, skipping insertion in model container [2021-12-16 04:27:30,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:27:30" (1/1) ... [2021-12-16 04:27:30,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:27:30,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:27:33,490 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-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2021-12-16 04:27:33,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:27:33,784 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:27:34,197 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-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2021-12-16 04:27:34,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:27:34,404 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:27:34,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34 WrapperNode [2021-12-16 04:27:34,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:27:34,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:27:34,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:27:34,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:27:34,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:34,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:34,840 INFO L137 Inliner]: procedures = 481, calls = 4096, calls flagged for inlining = 211, calls inlined = 204, statements flattened = 8088 [2021-12-16 04:27:34,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:27:34,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:27:34,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:27:34,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:27:34,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:34,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:34,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:34,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:35,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:35,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:35,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:35,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:27:35,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:27:35,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:27:35,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:27:35,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (1/1) ... [2021-12-16 04:27:35,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:27:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:27:35,149 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) [2021-12-16 04:27:35,161 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 [2021-12-16 04:27:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2021-12-16 04:27:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2021-12-16 04:27:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2021-12-16 04:27:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2021-12-16 04:27:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-16 04:27:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-16 04:27:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:27:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:27:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-16 04:27:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-16 04:27:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2021-12-16 04:27:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2021-12-16 04:27:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2021-12-16 04:27:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2021-12-16 04:27:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-16 04:27:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-16 04:27:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2021-12-16 04:27:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2021-12-16 04:27:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:27:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:27:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-16 04:27:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-16 04:27:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2021-12-16 04:27:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2021-12-16 04:27:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2021-12-16 04:27:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2021-12-16 04:27:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2021-12-16 04:27:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2021-12-16 04:27:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-16 04:27:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-16 04:27:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-16 04:27:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-16 04:27:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2021-12-16 04:27:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2021-12-16 04:27:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2021-12-16 04:27:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2021-12-16 04:27:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-16 04:27:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-16 04:27:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2021-12-16 04:27:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2021-12-16 04:27:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:27:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:27:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2021-12-16 04:27:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2021-12-16 04:27:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2021-12-16 04:27:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2021-12-16 04:27:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2021-12-16 04:27:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2021-12-16 04:27:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2021-12-16 04:27:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2021-12-16 04:27:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:27:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:27:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:27:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:27:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-12-16 04:27:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-12-16 04:27:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2021-12-16 04:27:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2021-12-16 04:27:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 04:27:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2021-12-16 04:27:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2021-12-16 04:27:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:27:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:27:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:27:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:27:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2021-12-16 04:27:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2021-12-16 04:27:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:27:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:27:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:27:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-16 04:27:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-16 04:27:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2021-12-16 04:27:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2021-12-16 04:27:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:27:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:27:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2021-12-16 04:27:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2021-12-16 04:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-16 04:27:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-16 04:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:27:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:27:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:27:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2021-12-16 04:27:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2021-12-16 04:27:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:27:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:27:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:27:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2021-12-16 04:27:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2021-12-16 04:27:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2021-12-16 04:27:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2021-12-16 04:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-16 04:27:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-16 04:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-16 04:27:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-16 04:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2021-12-16 04:27:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2021-12-16 04:27:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-16 04:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-16 04:27:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-16 04:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-16 04:27:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-16 04:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-16 04:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:27:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:27:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:27:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:27:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-12-16 04:27:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-12-16 04:27:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-16 04:27:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-16 04:27:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2021-12-16 04:27:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2021-12-16 04:27:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:27:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:27:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2021-12-16 04:27:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2021-12-16 04:27:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:27:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:27:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:27:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:27:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2021-12-16 04:27:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2021-12-16 04:27:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:27:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:27:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2021-12-16 04:27:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2021-12-16 04:27:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2021-12-16 04:27:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2021-12-16 04:27:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-16 04:27:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-16 04:27:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-16 04:27:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-16 04:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-16 04:27:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-16 04:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2021-12-16 04:27:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2021-12-16 04:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:27:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2021-12-16 04:27:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2021-12-16 04:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2021-12-16 04:27:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2021-12-16 04:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-16 04:27:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-16 04:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:27:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-16 04:27:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-16 04:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:27:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-12-16 04:27:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-12-16 04:27:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2021-12-16 04:27:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2021-12-16 04:27:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2021-12-16 04:27:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2021-12-16 04:27:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2021-12-16 04:27:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2021-12-16 04:27:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:27:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:27:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2021-12-16 04:27:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2021-12-16 04:27:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2021-12-16 04:27:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2021-12-16 04:27:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-16 04:27:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-16 04:27:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2021-12-16 04:27:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2021-12-16 04:27:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:27:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:27:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:27:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2021-12-16 04:27:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2021-12-16 04:27:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2021-12-16 04:27:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2021-12-16 04:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-16 04:27:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-16 04:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-16 04:27:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-16 04:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2021-12-16 04:27:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2021-12-16 04:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-12-16 04:27:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-12-16 04:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-16 04:27:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-16 04:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-16 04:27:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-16 04:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:27:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2021-12-16 04:27:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2021-12-16 04:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:27:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:27:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2021-12-16 04:27:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2021-12-16 04:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2021-12-16 04:27:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2021-12-16 04:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-16 04:27:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-16 04:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-16 04:27:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-16 04:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2021-12-16 04:27:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2021-12-16 04:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2021-12-16 04:27:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2021-12-16 04:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-12-16 04:27:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-12-16 04:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-16 04:27:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-16 04:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2021-12-16 04:27:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2021-12-16 04:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-16 04:27:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-16 04:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2021-12-16 04:27:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2021-12-16 04:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2021-12-16 04:27:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2021-12-16 04:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:27:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-16 04:27:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-16 04:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:27:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:27:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2021-12-16 04:27:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2021-12-16 04:27:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2021-12-16 04:27:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2021-12-16 04:27:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-16 04:27:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-16 04:27:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:27:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:27:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-16 04:27:35,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-16 04:27:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2021-12-16 04:27:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2021-12-16 04:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2021-12-16 04:27:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2021-12-16 04:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2021-12-16 04:27:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2021-12-16 04:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:27:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2021-12-16 04:27:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2021-12-16 04:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2021-12-16 04:27:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2021-12-16 04:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2021-12-16 04:27:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2021-12-16 04:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-16 04:27:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-16 04:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-16 04:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-16 04:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2021-12-16 04:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2021-12-16 04:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2021-12-16 04:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2021-12-16 04:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-16 04:27:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-16 04:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:27:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:27:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2021-12-16 04:27:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2021-12-16 04:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-16 04:27:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-16 04:27:36,175 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:27:36,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:27:36,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:27:46,312 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:27:46,339 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:27:46,340 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:27:46,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:27:46 BoogieIcfgContainer [2021-12-16 04:27:46,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:27:46,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:27:46,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:27:46,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:27:46,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:27:30" (1/3) ... [2021-12-16 04:27:46,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290bf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:27:46, skipping insertion in model container [2021-12-16 04:27:46,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:27:34" (2/3) ... [2021-12-16 04:27:46,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290bf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:27:46, skipping insertion in model container [2021-12-16 04:27:46,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:27:46" (3/3) ... [2021-12-16 04:27:46,353 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2021-12-16 04:27:46,358 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:27:46,358 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:27:46,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:27:46,425 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:27:46,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:27:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 2411 states, 1722 states have (on average 1.3443670150987224) internal successors, (2315), 1764 states have internal predecessors, (2315), 555 states have call successors, (555), 133 states have call predecessors, (555), 132 states have return successors, (544), 531 states have call predecessors, (544), 544 states have call successors, (544) [2021-12-16 04:27:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-16 04:27:46,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:27:46,510 INFO L514 BasicCegarLoop]: 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] [2021-12-16 04:27:46,511 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:27:46,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:27:46,516 INFO L85 PathProgramCache]: Analyzing trace with hash 304341664, now seen corresponding path program 1 times [2021-12-16 04:27:46,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:27:46,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814354373] [2021-12-16 04:27:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:27:46,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:27:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:27:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:27:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:27:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:27:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:27:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:27:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:27:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:27:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:27:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:27:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:27:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:27:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:27:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:27:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 04:27:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-16 04:27:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-16 04:27:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 04:27:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:27:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-16 04:27:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-16 04:27:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:27:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 04:27:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-16 04:27:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:27:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:27:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-12-16 04:27:48,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:27:48,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814354373] [2021-12-16 04:27:48,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814354373] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:27:48,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:27:48,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:27:48,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516411124] [2021-12-16 04:27:48,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:27:48,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:27:48,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:27:48,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:27:48,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:27:48,125 INFO L87 Difference]: Start difference. First operand has 2411 states, 1722 states have (on average 1.3443670150987224) internal successors, (2315), 1764 states have internal predecessors, (2315), 555 states have call successors, (555), 133 states have call predecessors, (555), 132 states have return successors, (544), 531 states have call predecessors, (544), 544 states have call successors, (544) Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-16 04:27:52,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:27:54,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:07,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:09,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:28:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:28:14,148 INFO L93 Difference]: Finished difference Result 8241 states and 12466 transitions. [2021-12-16 04:28:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:28:14,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 278 [2021-12-16 04:28:14,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:28:14,223 INFO L225 Difference]: With dead ends: 8241 [2021-12-16 04:28:14,223 INFO L226 Difference]: Without dead ends: 5802 [2021-12-16 04:28:14,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:28:14,258 INFO L933 BasicCegarLoop]: 3730 mSDtfsCounter, 6440 mSDsluCounter, 6726 mSDsCounter, 0 mSdLazyCounter, 4024 mSolverCounterSat, 3609 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6831 SdHoareTripleChecker+Valid, 10456 SdHoareTripleChecker+Invalid, 7637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3609 IncrementalHoareTripleChecker+Valid, 4024 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:28:14,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6831 Valid, 10456 Invalid, 7637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3609 Valid, 4024 Invalid, 4 Unknown, 0 Unchecked, 25.3s Time] [2021-12-16 04:28:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5802 states. [2021-12-16 04:28:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5802 to 5306. [2021-12-16 04:28:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5306 states, 3834 states have (on average 1.3367240479916536) internal successors, (5125), 3894 states have internal predecessors, (5125), 1173 states have call successors, (1173), 263 states have call predecessors, (1173), 298 states have return successors, (1375), 1166 states have call predecessors, (1375), 1164 states have call successors, (1375) [2021-12-16 04:28:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 7673 transitions. [2021-12-16 04:28:14,643 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 7673 transitions. Word has length 278 [2021-12-16 04:28:14,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:28:14,647 INFO L470 AbstractCegarLoop]: Abstraction has 5306 states and 7673 transitions. [2021-12-16 04:28:14,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-16 04:28:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 7673 transitions. [2021-12-16 04:28:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-16 04:28:14,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:28:14,656 INFO L514 BasicCegarLoop]: 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] [2021-12-16 04:28:14,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:28:14,656 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:28:14,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:28:14,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1013821260, now seen corresponding path program 1 times [2021-12-16 04:28:14,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:28:14,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983569539] [2021-12-16 04:28:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:28:14,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:28:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:28:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:28:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:28:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:28:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:28:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:28:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:28:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:28:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:28:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:28:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:28:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:28:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:28:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:28:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 04:28:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-16 04:28:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-16 04:28:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 04:28:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:28:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-16 04:28:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-16 04:28:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:28:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 04:28:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-16 04:28:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:28:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:28:15,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-12-16 04:28:15,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:28:15,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983569539] [2021-12-16 04:28:15,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983569539] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:28:15,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:28:15,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:28:15,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115981609] [2021-12-16 04:28:15,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:28:15,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:28:15,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:28:15,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:28:15,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:28:15,627 INFO L87 Difference]: Start difference. First operand 5306 states and 7673 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-16 04:28:18,164 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 [] [2021-12-16 04:28:20,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []