./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:24:30,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:24:30,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:24:30,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:24:30,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:24:30,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:24:30,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:24:30,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:24:30,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:24:30,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:24:30,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:24:30,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:24:30,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:24:30,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:24:30,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:24:30,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:24:30,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:24:30,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:24:30,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:24:30,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:24:30,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:24:30,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:24:30,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:24:30,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:24:30,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:24:30,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:24:30,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:24:30,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:24:30,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:24:30,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:24:30,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:24:30,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:24:30,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:24:30,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:24:30,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:24:30,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:24:30,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:24:30,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:24:30,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:24:30,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:24:30,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:24:30,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:24:30,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:24:30,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:24:30,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:24:30,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:24:30,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:24:30,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:24:30,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:24:30,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:24:30,251 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:24:30,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:24:30,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:24:30,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:24:30,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:24:30,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:24:30,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:24:30,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:24:30,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:24:30,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:24:30,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:24:30,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:24:30,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:24:30,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:30,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:24:30,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:24:30,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:24:30,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:24:30,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:24:30,254 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:24:30,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:24:30,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:24:30,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:24:30,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 [2021-12-14 18:24:30,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:24:30,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:24:30,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:24:30,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:24:30,480 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:24:30,481 INFO L432 ainManager$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 [2021-12-14 18:24:30,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b8bfb66/f6ffeb156bc74fbc9fe0d25451f030cf/FLAGa1fa591ab [2021-12-14 18:24:31,208 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:24:31,208 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 [2021-12-14 18:24:31,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b8bfb66/f6ffeb156bc74fbc9fe0d25451f030cf/FLAGa1fa591ab [2021-12-14 18:24:31,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b8bfb66/f6ffeb156bc74fbc9fe0d25451f030cf [2021-12-14 18:24:31,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:24:31,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:24:31,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:31,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:24:31,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:24:31,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:31" (1/1) ... [2021-12-14 18:24:31,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ac0659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:31, skipping insertion in model container [2021-12-14 18:24:31,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:31" (1/1) ... [2021-12-14 18:24:31,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:24:31,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:24:34,346 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] [2021-12-14 18:24:34,375 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:24:34,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:34,410 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:24:34,818 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] [2021-12-14 18:24:34,823 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:24:34,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:34,896 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:24:34,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34 WrapperNode [2021-12-14 18:24:34,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:34,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:34,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:24:34,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:24:34,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,360 INFO L137 Inliner]: procedures = 391, calls = 6617, calls flagged for inlining = 164, calls inlined = 159, statements flattened = 14620 [2021-12-14 18:24:35,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:35,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:24:35,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:24:35,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:24:35,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:24:35,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:24:35,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:24:35,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:24:35,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (1/1) ... [2021-12-14 18:24:35,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:35,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:24:35,947 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) [2021-12-14 18:24:35,952 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 [2021-12-14 18:24:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_control [2021-12-14 18:24:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_control [2021-12-14 18:24:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-14 18:24:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-14 18:24:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_free [2021-12-14 18:24:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_free [2021-12-14 18:24:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:24:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:24:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-14 18:24:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-14 18:24:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_external_startup [2021-12-14 18:24:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_external_startup [2021-12-14 18:24:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-14 18:24:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-14 18:24:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:24:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:24:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_ohci_hcfs [2021-12-14 18:24:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ohci_hcfs [2021-12-14 18:24:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:24:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:24:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-14 18:24:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-14 18:24:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_to_hcd [2021-12-14 18:24:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_to_hcd [2021-12-14 18:24:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_disable [2021-12-14 18:24:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_disable [2021-12-14 18:24:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-14 18:24:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-14 18:24:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure compute_tt_budget [2021-12-14 18:24:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_tt_budget [2021-12-14 18:24:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-14 18:24:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-14 18:24:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:24:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:24:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure tt_available [2021-12-14 18:24:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure tt_available [2021-12-14 18:24:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-14 18:24:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-14 18:24:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-14 18:24:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-14 18:24:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_handed_over [2021-12-14 18:24:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_handed_over [2021-12-14 18:24:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-14 18:24:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-14 18:24:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_read_frame_index [2021-12-14 18:24:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_read_frame_index [2021-12-14 18:24:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_speed [2021-12-14 18:24:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_speed [2021-12-14 18:24:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:24:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-14 18:24:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-14 18:24:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-14 18:24:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-14 18:24:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:24:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:24:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:24:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:24:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-14 18:24:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-14 18:24:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:24:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-14 18:24:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-14 18:24:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-14 18:24:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-14 18:24:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_remove_device [2021-12-14 18:24:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_remove_device [2021-12-14 18:24:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:24:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:24:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-14 18:24:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-14 18:24:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:24:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:24:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_reset [2021-12-14 18:24:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_reset [2021-12-14 18:24:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_setup [2021-12-14 18:24:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_setup [2021-12-14 18:24:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 18:24:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 18:24:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:24:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:24:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:24:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:24:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:24:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-14 18:24:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-14 18:24:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_status_data [2021-12-14 18:24:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_status_data [2021-12-14 18:24:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-14 18:24:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-14 18:24:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-14 18:24:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-14 18:24:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-14 18:24:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-14 18:24:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:24:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:24:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-14 18:24:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-14 18:24:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_alloc [2021-12-14 18:24:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_alloc [2021-12-14 18:24:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:24:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:24:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_silence_controller [2021-12-14 18:24:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_silence_controller [2021-12-14 18:24:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer [2021-12-14 18:24:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer [2021-12-14 18:24:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure submit_single_step_set_feature [2021-12-14 18:24:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_single_step_set_feature [2021-12-14 18:24:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_set_command_bit [2021-12-14 18:24:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_set_command_bit [2021-12-14 18:24:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2021-12-14 18:24:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2021-12-14 18:24:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:24:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:24:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:24:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-14 18:24:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2021-12-14 18:24:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2021-12-14 18:24:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 18:24:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 18:24:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:24:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:24:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:24:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_relinquish_port [2021-12-14 18:24:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_relinquish_port [2021-12-14 18:24:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer_complete [2021-12-14 18:24:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer_complete [2021-12-14 18:24:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_reset_prep [2021-12-14 18:24:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_reset_prep [2021-12-14 18:24:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-14 18:24:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-14 18:24:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-14 18:24:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-14 18:24:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:24:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:24:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-14 18:24:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_run [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_run [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_writel [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_writel [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_readl [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_readl [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-14 18:24:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2021-12-14 18:24:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_find [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_find [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_intr_bandwidth [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_intr_bandwidth [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_stop [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_stop [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_periodic [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_periodic [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_enqueue [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_enqueue [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-14 18:24:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_shutdown [2021-12-14 18:24:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_shutdown [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_hnp [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_hnp [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2021-12-14 18:24:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_iso_bandwidth [2021-12-14 18:24:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_iso_bandwidth [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handover_companion_ports [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handover_companion_ports [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_power [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_power [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-14 18:24:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:24:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_dequeue [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_dequeue [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_unlink_wait_intr [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_unlink_wait_intr [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_controller_death [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_controller_death [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_enable_event [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_enable_event [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-14 18:24:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_get_frame [2021-12-14 18:24:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_get_frame [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_schedule [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_schedule [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_resume [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_resume [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_port_buf [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_port_buf [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_end_port_resume [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_end_port_resume [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qh_alloc [2021-12-14 18:24:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qh_alloc [2021-12-14 18:24:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_irq [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_irq [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handshake [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handshake [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_command_bit [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_command_bit [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure bandwidth_dbg [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bandwidth_dbg [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_start_port_resume [2021-12-14 18:24:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_start_port_resume [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:24:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_intr_unlinks [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_intr_unlinks [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_start_intr_unlinks [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_start_intr_unlinks [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_ASS [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_ASS [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_suspend [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_suspend [2021-12-14 18:24:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-14 18:24:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_init [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_init [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_owner [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_owner [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-14 18:24:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-14 18:24:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ehci [2021-12-14 18:24:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ehci [2021-12-14 18:24:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure find_tt [2021-12-14 18:24:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure find_tt [2021-12-14 18:24:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:24:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:24:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:24:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_PSS [2021-12-14 18:24:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_PSS [2021-12-14 18:24:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-14 18:24:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-14 18:24:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-14 18:24:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-14 18:24:37,195 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:24:37,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:24:46,045 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:24:58,452 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:24:58,488 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:24:58,488 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:24:58,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:58 BoogieIcfgContainer [2021-12-14 18:24:58,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:24:58,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:24:58,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:24:58,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:24:58,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:24:31" (1/3) ... [2021-12-14 18:24:58,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c9fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:58, skipping insertion in model container [2021-12-14 18:24:58,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:34" (2/3) ... [2021-12-14 18:24:58,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c9fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:58, skipping insertion in model container [2021-12-14 18:24:58,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:58" (3/3) ... [2021-12-14 18:24:58,514 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2021-12-14 18:24:58,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:24:58,517 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:24:58,578 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:24:58,584 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 [2021-12-14 18:24:58,585 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:24:58,660 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) [2021-12-14 18:24:58,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-14 18:24:58,680 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:24:58,681 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] [2021-12-14 18:24:58,682 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:24:58,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:24:58,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1179416854, now seen corresponding path program 1 times [2021-12-14 18:24:58,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:24:58,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159955328] [2021-12-14 18:24:58,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:24:58,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:24:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:24:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:24:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:24:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:24:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:24:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:24:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:24:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:25:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:25:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:25:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:25:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:25:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:25:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-14 18:25:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-14 18:25:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-14 18:25:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-14 18:25:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-14 18:25:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-14 18:25:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-14 18:25:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-14 18:25:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-14 18:25:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-14 18:25:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-14 18:25:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-14 18:25:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-14 18:25:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-14 18:25:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-14 18:25:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-14 18:25:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-14 18:25:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-14 18:25:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-14 18:25:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-14 18:25:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-14 18:25:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-12-14 18:25:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2021-12-14 18:25:00,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:00,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159955328] [2021-12-14 18:25:00,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159955328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:00,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:00,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:00,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805985416] [2021-12-14 18:25:00,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:00,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:00,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:00,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:00,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:00,702 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) [2021-12-14 18:25:10,647 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 [] [2021-12-14 18:25:12,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:15,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:17,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:21,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:23,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:26,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []