./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 e19ca921 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-dev-e19ca92 [2021-12-22 15:07:20,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:07:20,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:07:20,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:07:20,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:07:20,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:07:20,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:07:20,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:07:20,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:07:20,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:07:20,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:07:20,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:07:20,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:07:20,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:07:20,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:07:20,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:07:20,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:07:20,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:07:20,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:07:20,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:07:20,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:07:20,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:07:20,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:07:20,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:07:21,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:07:21,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:07:21,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:07:21,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:07:21,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:07:21,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:07:21,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:07:21,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:07:21,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:07:21,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:07:21,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:07:21,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:07:21,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:07:21,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:07:21,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:07:21,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:07:21,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:07:21,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:07:21,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:07:21,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:07:21,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:07:21,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:07:21,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:07:21,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:07:21,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:07:21,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:07:21,048 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:07:21,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:07:21,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:07:21,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:07:21,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:07:21,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:07:21,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:07:21,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:07:21,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:07:21,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:07:21,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:07:21,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:07:21,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:07:21,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:07:21,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:07:21,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:07:21,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:07:21,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:07:21,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:07:21,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:07:21,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:07:21,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:07:21,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:07:21,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 [2021-12-22 15:07:21,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:07:21,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:07:21,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:07:21,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:07:21,314 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:07:21,315 INFO L432 ainManager$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 [2021-12-22 15:07:21,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2653b4e76/92e523d5bd4e4bfb87bc951b61c14ee6/FLAG24537a87b [2021-12-22 15:07:22,125 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:07:22,126 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 [2021-12-22 15:07:22,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2653b4e76/92e523d5bd4e4bfb87bc951b61c14ee6/FLAG24537a87b [2021-12-22 15:07:22,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2653b4e76/92e523d5bd4e4bfb87bc951b61c14ee6 [2021-12-22 15:07:22,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:07:22,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:07:22,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:07:22,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:07:22,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:07:22,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:07:22" (1/1) ... [2021-12-22 15:07:22,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8c5726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:22, skipping insertion in model container [2021-12-22 15:07:22,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:07:22" (1/1) ... [2021-12-22 15:07:22,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:07:22,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:07:24,655 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] [2021-12-22 15:07:24,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:07:25,017 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:07:25,449 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] [2021-12-22 15:07:25,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:07:25,626 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:07:25,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25 WrapperNode [2021-12-22 15:07:25,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:07:25,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:07:25,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:07:25,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:07:25,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:25,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,055 INFO L137 Inliner]: procedures = 481, calls = 4096, calls flagged for inlining = 211, calls inlined = 204, statements flattened = 8088 [2021-12-22 15:07:26,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:07:26,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:07:26,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:07:26,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:07:26,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:07:26,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:07:26,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:07:26,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:07:26,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (1/1) ... [2021-12-22 15:07:26,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:07:26,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:07:26,450 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) [2021-12-22 15:07:26,470 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 [2021-12-22 15:07:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2021-12-22 15:07:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2021-12-22 15:07:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2021-12-22 15:07:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2021-12-22 15:07:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-22 15:07:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-22 15:07:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:07:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:07:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-22 15:07:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-22 15:07:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2021-12-22 15:07:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2021-12-22 15:07:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2021-12-22 15:07:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2021-12-22 15:07:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-22 15:07:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-22 15:07:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2021-12-22 15:07:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2021-12-22 15:07:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:07:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:07:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-22 15:07:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-22 15:07:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2021-12-22 15:07:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2021-12-22 15:07:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2021-12-22 15:07:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2021-12-22 15:07:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2021-12-22 15:07:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2021-12-22 15:07:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-22 15:07:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-22 15:07:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-22 15:07:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-22 15:07:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2021-12-22 15:07:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2021-12-22 15:07:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2021-12-22 15:07:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2021-12-22 15:07:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-22 15:07:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-22 15:07:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2021-12-22 15:07:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2021-12-22 15:07:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:07:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:07:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2021-12-22 15:07:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2021-12-22 15:07:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2021-12-22 15:07:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2021-12-22 15:07:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2021-12-22 15:07:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2021-12-22 15:07:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2021-12-22 15:07:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2021-12-22 15:07:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 15:07:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 15:07:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:07:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:07:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-12-22 15:07:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-12-22 15:07:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2021-12-22 15:07:26,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2021-12-22 15:07:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 15:07:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2021-12-22 15:07:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2021-12-22 15:07:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:07:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:07:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:07:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:07:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2021-12-22 15:07:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2021-12-22 15:07:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:07:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:07:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:07:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-22 15:07:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-22 15:07:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2021-12-22 15:07:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2021-12-22 15:07:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:07:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:07:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2021-12-22 15:07:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2021-12-22 15:07:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-22 15:07:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-22 15:07:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:07:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:07:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:07:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2021-12-22 15:07:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2021-12-22 15:07:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:07:26,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:07:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:07:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2021-12-22 15:07:26,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2021-12-22 15:07:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2021-12-22 15:07:26,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2021-12-22 15:07:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-22 15:07:26,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-22 15:07:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:07:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 15:07:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 15:07:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2021-12-22 15:07:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2021-12-22 15:07:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-22 15:07:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-22 15:07:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-22 15:07:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-22 15:07:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-22 15:07:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-22 15:07:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:07:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:07:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:07:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:07:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:07:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:07:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:07:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:07:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:07:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:07:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-12-22 15:07:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-12-22 15:07:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-22 15:07:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-22 15:07:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2021-12-22 15:07:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2021-12-22 15:07:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:07:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:07:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2021-12-22 15:07:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2021-12-22 15:07:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:07:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:07:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:07:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:07:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2021-12-22 15:07:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2021-12-22 15:07:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:07:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:07:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2021-12-22 15:07:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2021-12-22 15:07:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2021-12-22 15:07:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2021-12-22 15:07:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-22 15:07:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-22 15:07:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 15:07:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 15:07:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-22 15:07:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-22 15:07:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2021-12-22 15:07:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2021-12-22 15:07:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:07:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:07:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:07:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:07:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2021-12-22 15:07:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2021-12-22 15:07:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2021-12-22 15:07:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2021-12-22 15:07:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-22 15:07:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-22 15:07:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:07:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:07:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-22 15:07:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-22 15:07:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:07:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:07:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-12-22 15:07:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-12-22 15:07:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2021-12-22 15:07:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2021-12-22 15:07:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2021-12-22 15:07:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2021-12-22 15:07:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2021-12-22 15:07:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2021-12-22 15:07:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:07:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:07:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2021-12-22 15:07:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2021-12-22 15:07:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2021-12-22 15:07:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2021-12-22 15:07:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 15:07:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 15:07:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2021-12-22 15:07:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2021-12-22 15:07:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:07:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:07:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:07:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2021-12-22 15:07:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2021-12-22 15:07:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2021-12-22 15:07:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2021-12-22 15:07:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-22 15:07:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-22 15:07:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:07:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:07:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:07:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2021-12-22 15:07:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2021-12-22 15:07:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:07:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-12-22 15:07:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-12-22 15:07:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:07:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:07:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-22 15:07:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-22 15:07:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:07:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:07:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2021-12-22 15:07:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2021-12-22 15:07:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:07:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:07:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 15:07:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 15:07:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2021-12-22 15:07:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2021-12-22 15:07:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2021-12-22 15:07:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2021-12-22 15:07:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-22 15:07:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-22 15:07:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-22 15:07:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-22 15:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2021-12-22 15:07:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2021-12-22 15:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2021-12-22 15:07:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2021-12-22 15:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-12-22 15:07:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-12-22 15:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-22 15:07:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-22 15:07:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2021-12-22 15:07:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2021-12-22 15:07:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 15:07:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 15:07:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2021-12-22 15:07:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2021-12-22 15:07:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2021-12-22 15:07:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2021-12-22 15:07:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:07:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:07:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-22 15:07:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-22 15:07:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:07:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:07:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:07:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2021-12-22 15:07:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2021-12-22 15:07:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2021-12-22 15:07:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2021-12-22 15:07:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-22 15:07:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-22 15:07:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:07:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:07:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-22 15:07:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-22 15:07:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2021-12-22 15:07:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2021-12-22 15:07:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2021-12-22 15:07:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2021-12-22 15:07:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2021-12-22 15:07:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2021-12-22 15:07:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:07:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:07:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2021-12-22 15:07:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2021-12-22 15:07:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2021-12-22 15:07:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2021-12-22 15:07:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2021-12-22 15:07:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2021-12-22 15:07:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-22 15:07:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-22 15:07:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:07:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:07:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-22 15:07:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-22 15:07:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2021-12-22 15:07:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2021-12-22 15:07:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2021-12-22 15:07:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2021-12-22 15:07:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-22 15:07:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-22 15:07:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:07:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:07:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:07:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:07:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2021-12-22 15:07:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2021-12-22 15:07:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:07:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-22 15:07:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-22 15:07:27,537 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:07:27,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:07:27,993 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:07:38,855 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:07:38,882 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:07:38,882 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:07:38,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:07:38 BoogieIcfgContainer [2021-12-22 15:07:38,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:07:38,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:07:38,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:07:38,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:07:38,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:07:22" (1/3) ... [2021-12-22 15:07:38,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a7bf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:07:38, skipping insertion in model container [2021-12-22 15:07:38,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:07:25" (2/3) ... [2021-12-22 15:07:38,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a7bf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:07:38, skipping insertion in model container [2021-12-22 15:07:38,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:07:38" (3/3) ... [2021-12-22 15:07:38,896 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2021-12-22 15:07:38,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:07:38,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:07:38,968 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:07:38,985 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 [2021-12-22 15:07:38,986 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:07:39,055 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) [2021-12-22 15:07:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-22 15:07:39,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:07:39,079 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] [2021-12-22 15:07:39,080 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:07:39,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:07:39,085 INFO L85 PathProgramCache]: Analyzing trace with hash 304341664, now seen corresponding path program 1 times [2021-12-22 15:07:39,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:07:39,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629862865] [2021-12-22 15:07:39,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:07:39,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:07:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:07:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:07:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:07:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:07:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:07:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:07:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:07:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:07:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:07:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:07:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:07:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:07:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:07:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:07:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 15:07:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:07:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-22 15:07:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:07:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:07:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:07:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:07:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:07:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:07:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-22 15:07:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:07:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:07:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-12-22 15:07:40,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:07:40,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629862865] [2021-12-22 15:07:40,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629862865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:07:40,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:07:40,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:07:40,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316331337] [2021-12-22 15:07:40,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:07:40,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:07:40,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:07:40,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:07:40,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:07:40,572 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) [2021-12-22 15:07:44,544 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 [] [2021-12-22 15:07:46,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:00,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:02,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:08,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:08:08,394 INFO L93 Difference]: Finished difference Result 8241 states and 12466 transitions. [2021-12-22 15:08:08,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:08:08,397 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 [2021-12-22 15:08:08,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:08:08,469 INFO L225 Difference]: With dead ends: 8241 [2021-12-22 15:08:08,469 INFO L226 Difference]: Without dead ends: 5802 [2021-12-22 15:08:08,492 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 [2021-12-22 15:08:08,495 INFO L933 BasicCegarLoop]: 3730 mSDtfsCounter, 6439 mSDsluCounter, 6737 mSDsCounter, 0 mSdLazyCounter, 4023 mSolverCounterSat, 3604 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6828 SdHoareTripleChecker+Valid, 10467 SdHoareTripleChecker+Invalid, 7631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3604 IncrementalHoareTripleChecker+Valid, 4023 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:08:08,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6828 Valid, 10467 Invalid, 7631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3604 Valid, 4023 Invalid, 4 Unknown, 0 Unchecked, 27.0s Time] [2021-12-22 15:08:08,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5802 states. [2021-12-22 15:08:08,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5802 to 5306. [2021-12-22 15:08:08,880 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) [2021-12-22 15:08:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 7673 transitions. [2021-12-22 15:08:08,937 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 7673 transitions. Word has length 278 [2021-12-22 15:08:08,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:08:08,942 INFO L470 AbstractCegarLoop]: Abstraction has 5306 states and 7673 transitions. [2021-12-22 15:08:08,942 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) [2021-12-22 15:08:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 7673 transitions. [2021-12-22 15:08:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-22 15:08:08,953 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:08:08,953 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] [2021-12-22 15:08:08,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:08:08,954 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:08:08,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:08:08,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1013821260, now seen corresponding path program 1 times [2021-12-22 15:08:08,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:08:08,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961680570] [2021-12-22 15:08:08,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:08:08,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:08:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:08:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:08:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:08:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:08:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:08:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:08:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:08:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:08:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:08:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:08:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:08:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:08:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:08:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 15:08:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:08:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-22 15:08:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:08:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:08:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:08:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:08:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 15:08:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:08:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-22 15:08:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:08:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-12-22 15:08:09,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:08:09,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961680570] [2021-12-22 15:08:09,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961680570] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:08:09,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:08:09,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:08:09,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872918357] [2021-12-22 15:08:09,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:08:09,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:08:09,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:08:09,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:08:09,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:08:09,970 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) [2021-12-22 15:08:12,571 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 [] [2021-12-22 15:08:14,608 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 []