./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-tmp.no-commuhash-c3fed41 [2021-12-16 04:38:34,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:38:34,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:38:34,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:38:34,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:38:34,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:38:34,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:38:34,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:38:34,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:38:34,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:38:34,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:38:34,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:38:34,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:38:34,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:38:34,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:38:34,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:38:34,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:38:34,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:38:34,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:38:34,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:38:34,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:38:34,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:38:34,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:38:34,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:38:34,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:38:34,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:38:34,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:38:34,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:38:34,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:38:34,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:38:34,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:38:34,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:38:34,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:38:34,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:38:34,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:38:34,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:38:34,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:38:34,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:38:34,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:38:34,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:38:34,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:38:34,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:38:34,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:38:34,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:38:34,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:38:34,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:38:34,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:38:34,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:38:34,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:38:34,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:38:34,835 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:38:34,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:38:34,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:38:34,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:38:34,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:38:34,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:38:34,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:38:34,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:38:34,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:38:34,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:38:34,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:38:34,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:38:34,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:38:34,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:34,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:38:34,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:38:34,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:38:34,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:38:34,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:38:34,839 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:38:34,839 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:38:34,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:38:34,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:38:34,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 [2021-12-16 04:38:35,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:38:35,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:38:35,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:38:35,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:38:35,106 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:38:35,108 INFO L432 ainManager$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 [2021-12-16 04:38:35,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362c19193/e295f55cc3154084b8ce111178b7c4bf/FLAG62602c8ce [2021-12-16 04:38:36,067 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:38:36,068 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 [2021-12-16 04:38:36,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362c19193/e295f55cc3154084b8ce111178b7c4bf/FLAG62602c8ce [2021-12-16 04:38:36,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362c19193/e295f55cc3154084b8ce111178b7c4bf [2021-12-16 04:38:36,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:38:36,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:38:36,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:36,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:38:36,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:38:36,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:36" (1/1) ... [2021-12-16 04:38:36,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fab1a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:36, skipping insertion in model container [2021-12-16 04:38:36,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:36" (1/1) ... [2021-12-16 04:38:36,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:38:36,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:38:40,035 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] [2021-12-16 04:38:40,081 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-16 04:38:40,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:40,134 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:38:40,740 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] [2021-12-16 04:38:40,745 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-16 04:38:40,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:40,876 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:38:40,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40 WrapperNode [2021-12-16 04:38:40,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:40,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:40,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:38:40,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:38:40,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,493 INFO L137 Inliner]: procedures = 391, calls = 6617, calls flagged for inlining = 164, calls inlined = 159, statements flattened = 14620 [2021-12-16 04:38:41,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:41,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:38:41,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:38:41,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:38:41,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:41,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:42,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:38:42,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:38:42,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:38:42,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:38:42,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (1/1) ... [2021-12-16 04:38:42,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:42,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:38:42,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:38:42,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:38:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_control [2021-12-16 04:38:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_control [2021-12-16 04:38:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-16 04:38:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-16 04:38:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_free [2021-12-16 04:38:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_free [2021-12-16 04:38:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:38:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:38:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-16 04:38:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-16 04:38:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_external_startup [2021-12-16 04:38:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_external_startup [2021-12-16 04:38:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-16 04:38:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-16 04:38:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:38:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:38:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure set_ohci_hcfs [2021-12-16 04:38:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ohci_hcfs [2021-12-16 04:38:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:38:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:38:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-16 04:38:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-16 04:38:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_to_hcd [2021-12-16 04:38:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_to_hcd [2021-12-16 04:38:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_disable [2021-12-16 04:38:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_disable [2021-12-16 04:38:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-16 04:38:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-16 04:38:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure compute_tt_budget [2021-12-16 04:38:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_tt_budget [2021-12-16 04:38:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-16 04:38:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-16 04:38:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:38:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:38:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure tt_available [2021-12-16 04:38:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure tt_available [2021-12-16 04:38:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-16 04:38:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-16 04:38:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-16 04:38:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-16 04:38:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_handed_over [2021-12-16 04:38:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_handed_over [2021-12-16 04:38:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-16 04:38:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-16 04:38:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_read_frame_index [2021-12-16 04:38:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_read_frame_index [2021-12-16 04:38:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_speed [2021-12-16 04:38:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_speed [2021-12-16 04:38:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:38:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-16 04:38:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-16 04:38:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-16 04:38:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-16 04:38:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:38:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:38:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:38:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:38:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-16 04:38:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-16 04:38:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:38:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-16 04:38:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-16 04:38:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-16 04:38:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-16 04:38:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_remove_device [2021-12-16 04:38:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_remove_device [2021-12-16 04:38:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:38:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:38:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-16 04:38:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-16 04:38:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:38:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:38:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_reset [2021-12-16 04:38:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_reset [2021-12-16 04:38:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_setup [2021-12-16 04:38:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_setup [2021-12-16 04:38:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-16 04:38:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-16 04:38:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-16 04:38:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-16 04:38:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:38:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:38:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:38:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-16 04:38:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-16 04:38:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_status_data [2021-12-16 04:38:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_status_data [2021-12-16 04:38:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-16 04:38:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-16 04:38:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-16 04:38:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-16 04:38:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-16 04:38:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-16 04:38:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:38:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:38:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-16 04:38:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-16 04:38:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_alloc [2021-12-16 04:38:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_alloc [2021-12-16 04:38:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:38:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:38:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_silence_controller [2021-12-16 04:38:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_silence_controller [2021-12-16 04:38:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer [2021-12-16 04:38:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer [2021-12-16 04:38:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure submit_single_step_set_feature [2021-12-16 04:38:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_single_step_set_feature [2021-12-16 04:38:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_set_command_bit [2021-12-16 04:38:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_set_command_bit [2021-12-16 04:38:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2021-12-16 04:38:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2021-12-16 04:38:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:38:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:38:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:38:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-16 04:38:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2021-12-16 04:38:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2021-12-16 04:38:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-16 04:38:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-16 04:38:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:38:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:38:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:38:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_relinquish_port [2021-12-16 04:38:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_relinquish_port [2021-12-16 04:38:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer_complete [2021-12-16 04:38:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer_complete [2021-12-16 04:38:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_reset_prep [2021-12-16 04:38:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_reset_prep [2021-12-16 04:38:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-16 04:38:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-16 04:38:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-16 04:38:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-16 04:38:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:38:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:38:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:38:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-16 04:38:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-16 04:38:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-16 04:38:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-16 04:38:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 04:38:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 04:38:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2021-12-16 04:38:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2021-12-16 04:38:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:38:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:38:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-16 04:38:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-16 04:38:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:38:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:38:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-16 04:38:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-16 04:38:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-16 04:38:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-16 04:38:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:38:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:38:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-16 04:38:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-16 04:38:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:38:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:38:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_run [2021-12-16 04:38:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_run [2021-12-16 04:38:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-16 04:38:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-16 04:38:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:38:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:38:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-16 04:38:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-16 04:38:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2021-12-16 04:38:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2021-12-16 04:38:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_writel [2021-12-16 04:38:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_writel [2021-12-16 04:38:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:38:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:38:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_readl [2021-12-16 04:38:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_readl [2021-12-16 04:38:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:38:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:38:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-16 04:38:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-16 04:38:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2021-12-16 04:38:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2021-12-16 04:38:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_find [2021-12-16 04:38:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_find [2021-12-16 04:38:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-16 04:38:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-16 04:38:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-16 04:38:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-16 04:38:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:38:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:38:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_intr_bandwidth [2021-12-16 04:38:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_intr_bandwidth [2021-12-16 04:38:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_stop [2021-12-16 04:38:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_stop [2021-12-16 04:38:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:38:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:38:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_periodic [2021-12-16 04:38:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_periodic [2021-12-16 04:38:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_enqueue [2021-12-16 04:38:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_enqueue [2021-12-16 04:38:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-16 04:38:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-16 04:38:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-16 04:38:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-16 04:38:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_shutdown [2021-12-16 04:38:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_shutdown [2021-12-16 04:38:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-16 04:38:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-16 04:38:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:38:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:38:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:38:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:38:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-16 04:38:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-16 04:38:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-16 04:38:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-16 04:38:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-16 04:38:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-16 04:38:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_hnp [2021-12-16 04:38:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_hnp [2021-12-16 04:38:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:38:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:38:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-16 04:38:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-16 04:38:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:38:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:38:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2021-12-16 04:38:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2021-12-16 04:38:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_iso_bandwidth [2021-12-16 04:38:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_iso_bandwidth [2021-12-16 04:38:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-16 04:38:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-16 04:38:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async [2021-12-16 04:38:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async [2021-12-16 04:38:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:38:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:38:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handover_companion_ports [2021-12-16 04:38:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handover_companion_ports [2021-12-16 04:38:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-16 04:38:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-16 04:38:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:38:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_power [2021-12-16 04:38:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_power [2021-12-16 04:38:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:38:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:38:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-12-16 04:38:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-12-16 04:38:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-16 04:38:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-16 04:38:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-16 04:38:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-16 04:38:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:38:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2021-12-16 04:38:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2021-12-16 04:38:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-16 04:38:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-16 04:38:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-16 04:38:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-16 04:38:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:38:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:38:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_dequeue [2021-12-16 04:38:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_dequeue [2021-12-16 04:38:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_unlink_wait_intr [2021-12-16 04:38:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_unlink_wait_intr [2021-12-16 04:38:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-12-16 04:38:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-12-16 04:38:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_controller_death [2021-12-16 04:38:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_controller_death [2021-12-16 04:38:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:38:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_enable_event [2021-12-16 04:38:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_enable_event [2021-12-16 04:38:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-16 04:38:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-16 04:38:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-16 04:38:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_get_frame [2021-12-16 04:38:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_get_frame [2021-12-16 04:38:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_schedule [2021-12-16 04:38:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_schedule [2021-12-16 04:38:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_resume [2021-12-16 04:38:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_resume [2021-12-16 04:38:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_port_buf [2021-12-16 04:38:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_port_buf [2021-12-16 04:38:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-16 04:38:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-16 04:38:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-16 04:38:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-16 04:38:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-16 04:38:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-16 04:38:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-16 04:38:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-16 04:38:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_end_port_resume [2021-12-16 04:38:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_end_port_resume [2021-12-16 04:38:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:38:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:38:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qh_alloc [2021-12-16 04:38:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qh_alloc [2021-12-16 04:38:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_irq [2021-12-16 04:38:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_irq [2021-12-16 04:38:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-16 04:38:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-16 04:38:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handshake [2021-12-16 04:38:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handshake [2021-12-16 04:38:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_command_bit [2021-12-16 04:38:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_command_bit [2021-12-16 04:38:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:38:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:38:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure bandwidth_dbg [2021-12-16 04:38:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure bandwidth_dbg [2021-12-16 04:38:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:38:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:38:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-16 04:38:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-16 04:38:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_start_port_resume [2021-12-16 04:38:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_start_port_resume [2021-12-16 04:38:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:38:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_intr_unlinks [2021-12-16 04:38:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_intr_unlinks [2021-12-16 04:38:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-16 04:38:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-16 04:38:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 04:38:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 04:38:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:38:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:38:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-16 04:38:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-16 04:38:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_start_intr_unlinks [2021-12-16 04:38:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_start_intr_unlinks [2021-12-16 04:38:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2021-12-16 04:38:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2021-12-16 04:38:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:38:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:38:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_ASS [2021-12-16 04:38:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_ASS [2021-12-16 04:38:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:38:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:38:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-16 04:38:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-16 04:38:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_suspend [2021-12-16 04:38:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_suspend [2021-12-16 04:38:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-16 04:38:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-16 04:38:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-16 04:38:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-16 04:38:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:38:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:38:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-16 04:38:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-16 04:38:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2021-12-16 04:38:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2021-12-16 04:38:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_init [2021-12-16 04:38:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_init [2021-12-16 04:38:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-16 04:38:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-16 04:38:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure set_owner [2021-12-16 04:38:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure set_owner [2021-12-16 04:38:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-16 04:38:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-16 04:38:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-16 04:38:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-16 04:38:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:38:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:38:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-16 04:38:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-16 04:38:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ehci [2021-12-16 04:38:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ehci [2021-12-16 04:38:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure find_tt [2021-12-16 04:38:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure find_tt [2021-12-16 04:38:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 04:38:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 04:38:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:38:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_PSS [2021-12-16 04:38:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_PSS [2021-12-16 04:38:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-16 04:38:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-16 04:38:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-16 04:38:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-16 04:38:43,812 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:38:43,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:38:53,612 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:39:06,448 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:39:06,474 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:39:06,475 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:39:06,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:39:06 BoogieIcfgContainer [2021-12-16 04:39:06,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:39:06,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:39:06,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:39:06,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:39:06,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:38:36" (1/3) ... [2021-12-16 04:39:06,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6078517a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:39:06, skipping insertion in model container [2021-12-16 04:39:06,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:40" (2/3) ... [2021-12-16 04:39:06,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6078517a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:39:06, skipping insertion in model container [2021-12-16 04:39:06,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:39:06" (3/3) ... [2021-12-16 04:39:06,494 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2021-12-16 04:39:06,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:39:06,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:39:06,560 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:39:06,565 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:39:06,565 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:39:06,652 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) [2021-12-16 04:39:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-16 04:39:06,668 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:06,669 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] [2021-12-16 04:39:06,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:06,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:06,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1179416854, now seen corresponding path program 1 times [2021-12-16 04:39:06,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:06,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762308541] [2021-12-16 04:39:06,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:06,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:39:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:39:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:39:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:39:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:39:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:39:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:39:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:39:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:39:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:39:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-16 04:39:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-16 04:39:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 04:39:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-16 04:39:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-16 04:39:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-16 04:39:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-16 04:39:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-16 04:39:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:39:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-16 04:39:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-16 04:39:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-16 04:39:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-16 04:39:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-16 04:39:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-16 04:39:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-16 04:39:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-16 04:39:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-16 04:39:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-16 04:39:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-16 04:39:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-16 04:39:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-16 04:39:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-16 04:39:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-16 04:39:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-12-16 04:39:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2021-12-16 04:39:09,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:09,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762308541] [2021-12-16 04:39:09,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762308541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:09,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:09,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:39:09,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162171642] [2021-12-16 04:39:09,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:09,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:39:09,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:09,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:39:09,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:09,156 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) [2021-12-16 04:39:20,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:22,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:25,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:27,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []