./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.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-43_2a-drivers--usb--host--ehci-hcd.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 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:18:45,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:18:45,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:18:45,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:18:45,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:18:45,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:18:45,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:18:45,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:18:45,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:18:45,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:18:45,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:18:45,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:18:45,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:18:45,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:18:45,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:18:45,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:18:45,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:18:45,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:18:45,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:18:45,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:18:45,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:18:45,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:18:45,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:18:45,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:18:45,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:18:45,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:18:45,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:18:45,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:18:45,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:18:45,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:18:45,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:18:45,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:18:45,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:18:45,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:18:45,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:18:45,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:18:45,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:18:45,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:18:45,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:18:45,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:18:45,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:18:45,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:18:45,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:18:45,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:18:45,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:18:45,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:18:45,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:18:45,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:18:45,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:18:45,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:18:45,148 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:18:45,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:18:45,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:18:45,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:18:45,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:18:45,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:18:45,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:18:45,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:18:45,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:18:45,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:18:45,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:18:45,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:18:45,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:18:45,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:45,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:18:45,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:18:45,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:18:45,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:18:45,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:18:45,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:18:45,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:18:45,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:18:45,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:18:45,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 [2021-12-22 15:18:45,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:18:45,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:18:45,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:18:45,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:18:45,358 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:18:45,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:45,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dcd2e5b/1a9375f3c341477681ea64d3efb136bd/FLAGc8fce758e [2021-12-22 15:18:46,117 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:18:46,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:46,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dcd2e5b/1a9375f3c341477681ea64d3efb136bd/FLAGc8fce758e [2021-12-22 15:18:46,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dcd2e5b/1a9375f3c341477681ea64d3efb136bd [2021-12-22 15:18:46,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:18:46,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:18:46,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:46,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:18:46,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:18:46,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:46" (1/1) ... [2021-12-22 15:18:46,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646fc48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:46, skipping insertion in model container [2021-12-22 15:18:46,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:46" (1/1) ... [2021-12-22 15:18:46,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:18:46,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:18:49,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i[465063,465076] [2021-12-22 15:18:49,264 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:18:49,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:49,302 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:18:49,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i[465063,465076] [2021-12-22 15:18:49,745 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:18:49,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:49,837 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:18:49,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49 WrapperNode [2021-12-22 15:18:49,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:49,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:49,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:18:49,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:18:49,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:49,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,295 INFO L137 Inliner]: procedures = 391, calls = 6617, calls flagged for inlining = 164, calls inlined = 159, statements flattened = 14620 [2021-12-22 15:18:50,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:50,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:18:50,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:18:50,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:18:50,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:18:50,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:18:50,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:18:50,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:18:50,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (1/1) ... [2021-12-22 15:18:50,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:18:50,821 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 15:18:50,866 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 15:18:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_control [2021-12-22 15:18:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_control [2021-12-22 15:18:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-22 15:18:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-22 15:18:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_free [2021-12-22 15:18:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_free [2021-12-22 15:18:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:18:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:18:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-22 15:18:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-22 15:18:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_external_startup [2021-12-22 15:18:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_external_startup [2021-12-22 15:18:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-22 15:18:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-22 15:18:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:18:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:18:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure set_ohci_hcfs [2021-12-22 15:18:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ohci_hcfs [2021-12-22 15:18:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:18:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:18:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-22 15:18:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-22 15:18:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_to_hcd [2021-12-22 15:18:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_to_hcd [2021-12-22 15:18:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_disable [2021-12-22 15:18:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_disable [2021-12-22 15:18:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-22 15:18:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-22 15:18:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure compute_tt_budget [2021-12-22 15:18:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_tt_budget [2021-12-22 15:18:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-22 15:18:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-22 15:18:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:18:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:18:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure tt_available [2021-12-22 15:18:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tt_available [2021-12-22 15:18:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-22 15:18:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-22 15:18:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-22 15:18:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-22 15:18:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_handed_over [2021-12-22 15:18:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_handed_over [2021-12-22 15:18:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-22 15:18:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-22 15:18:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_read_frame_index [2021-12-22 15:18:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_read_frame_index [2021-12-22 15:18:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_speed [2021-12-22 15:18:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_speed [2021-12-22 15:18:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:18:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-22 15:18:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-22 15:18:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-22 15:18:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-22 15:18:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:18:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:18:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:18:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:18:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-22 15:18:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-22 15:18:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:18:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-22 15:18:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-22 15:18:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-22 15:18:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-22 15:18:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_remove_device [2021-12-22 15:18:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_remove_device [2021-12-22 15:18:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:18:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:18:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-22 15:18:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-22 15:18:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:18:50,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:18:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_reset [2021-12-22 15:18:50,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_reset [2021-12-22 15:18:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_setup [2021-12-22 15:18:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_setup [2021-12-22 15:18:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 15:18:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 15:18:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:18:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:18:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:18:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:18:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:18:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-22 15:18:50,909 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-22 15:18:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_status_data [2021-12-22 15:18:50,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_status_data [2021-12-22 15:18:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-22 15:18:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-22 15:18:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-22 15:18:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-22 15:18:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 15:18:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 15:18:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:18:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:18:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-22 15:18:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-22 15:18:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_alloc [2021-12-22 15:18:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_alloc [2021-12-22 15:18:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:18:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:18:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_silence_controller [2021-12-22 15:18:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_silence_controller [2021-12-22 15:18:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer [2021-12-22 15:18:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer [2021-12-22 15:18:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure submit_single_step_set_feature [2021-12-22 15:18:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_single_step_set_feature [2021-12-22 15:18:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_set_command_bit [2021-12-22 15:18:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_set_command_bit [2021-12-22 15:18:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2021-12-22 15:18:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2021-12-22 15:18:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:18:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:18:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:18:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:18:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2021-12-22 15:18:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2021-12-22 15:18:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:18:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:18:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:18:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:18:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:18:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_relinquish_port [2021-12-22 15:18:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_relinquish_port [2021-12-22 15:18:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer_complete [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer_complete [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_reset_prep [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_reset_prep [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2021-12-22 15:18:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:18:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_run [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_run [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:18:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:18:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_writel [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_writel [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_readl [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_readl [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2021-12-22 15:18:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2021-12-22 15:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_find [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_find [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_intr_bandwidth [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_intr_bandwidth [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_stop [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_stop [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_periodic [2021-12-22 15:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_periodic [2021-12-22 15:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_enqueue [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_enqueue [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_shutdown [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_shutdown [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-22 15:18:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_hnp [2021-12-22 15:18:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_hnp [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_iso_bandwidth [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_iso_bandwidth [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handover_companion_ports [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handover_companion_ports [2021-12-22 15:18:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-22 15:18:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_power [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_power [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:18:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:18:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_dequeue [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_dequeue [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_unlink_wait_intr [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_unlink_wait_intr [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_controller_death [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_controller_death [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_enable_event [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_enable_event [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_get_frame [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_get_frame [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_schedule [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_schedule [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_resume [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_resume [2021-12-22 15:18:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_port_buf [2021-12-22 15:18:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_port_buf [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_end_port_resume [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_end_port_resume [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qh_alloc [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qh_alloc [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_irq [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_irq [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handshake [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handshake [2021-12-22 15:18:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_command_bit [2021-12-22 15:18:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_command_bit [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure bandwidth_dbg [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bandwidth_dbg [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_start_port_resume [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_start_port_resume [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_intr_unlinks [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_intr_unlinks [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-22 15:18:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-22 15:18:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_start_intr_unlinks [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_start_intr_unlinks [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_ASS [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_ASS [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_suspend [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_suspend [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 15:18:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-22 15:18:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_init [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_init [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_owner [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_owner [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ehci [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ehci [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure find_tt [2021-12-22 15:18:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure find_tt [2021-12-22 15:18:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:18:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:18:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:18:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_PSS [2021-12-22 15:18:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_PSS [2021-12-22 15:18:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-22 15:18:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-22 15:18:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-22 15:18:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-22 15:18:52,133 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:18:52,138 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:19:00,932 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:19:12,396 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:19:12,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:19:12,426 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:19:12,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:12 BoogieIcfgContainer [2021-12-22 15:19:12,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:19:12,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:19:12,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:19:12,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:19:12,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:18:46" (1/3) ... [2021-12-22 15:19:12,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c27bd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:12, skipping insertion in model container [2021-12-22 15:19:12,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:49" (2/3) ... [2021-12-22 15:19:12,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c27bd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:12, skipping insertion in model container [2021-12-22 15:19:12,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:12" (3/3) ... [2021-12-22 15:19:12,444 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2021-12-22 15:19:12,448 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:19:12,449 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:19:12,508 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:19:12,515 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 15:19:12,515 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:19:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 4897 states, 3298 states have (on average 1.3677986658580958) internal successors, (4511), 3443 states have internal predecessors, (4511), 1418 states have call successors, (1418), 180 states have call predecessors, (1418), 179 states have return successors, (1409), 1369 states have call predecessors, (1409), 1409 states have call successors, (1409) [2021-12-22 15:19:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-22 15:19:12,612 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:12,613 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:12,614 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:12,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:12,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1179416854, now seen corresponding path program 1 times [2021-12-22 15:19:12,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:12,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546671936] [2021-12-22 15:19:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:12,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:19:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:19:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:19:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:19:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:19:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:19:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-22 15:19:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-22 15:19:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-22 15:19:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-22 15:19:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-22 15:19:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:19:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-22 15:19:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-22 15:19:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-22 15:19:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-22 15:19:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-22 15:19:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-22 15:19:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-22 15:19:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-22 15:19:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-22 15:19:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-22 15:19:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-22 15:19:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-22 15:19:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-22 15:19:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-22 15:19:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-22 15:19:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-12-22 15:19:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2021-12-22 15:19:14,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:14,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546671936] [2021-12-22 15:19:14,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546671936] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:14,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:14,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:14,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959418739] [2021-12-22 15:19:14,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:14,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:14,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:14,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:14,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:14,680 INFO L87 Difference]: Start difference. First operand has 4897 states, 3298 states have (on average 1.3677986658580958) internal successors, (4511), 3443 states have internal predecessors, (4511), 1418 states have call successors, (1418), 180 states have call predecessors, (1418), 179 states have return successors, (1409), 1369 states have call predecessors, (1409), 1409 states have call successors, (1409) Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-22 15:19:24,152 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 15:19:26,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:28,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:30,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:34,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:36,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:40,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []