./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:36:47,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:36:47,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:36:47,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:36:47,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:36:47,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:36:47,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:36:47,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:36:47,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:36:47,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:36:47,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:36:47,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:36:47,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:36:47,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:36:47,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:36:47,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:36:47,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:36:47,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:36:47,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:36:47,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:36:47,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:36:47,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:36:47,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:36:47,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:36:47,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:36:47,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:36:47,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:36:47,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:36:47,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:36:47,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:36:47,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:36:47,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:36:47,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:36:47,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:36:47,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:36:47,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:36:47,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:36:47,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:36:47,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:36:47,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:36:47,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:36:47,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:36:47,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:36:47,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:36:47,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:36:47,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:36:47,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:36:47,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:36:47,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:36:47,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:36:47,186 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:36:47,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:36:47,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:36:47,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:36:47,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:36:47,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:36:47,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:36:47,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:36:47,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:36:47,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:36:47,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:36:47,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:36:47,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:36:47,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:47,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:36:47,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:36:47,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:36:47,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:36:47,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:36:47,189 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:36:47,189 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:36:47,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:36:47,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 [2021-12-28 04:36:47,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:36:47,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:36:47,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:36:47,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:36:47,509 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:36:47,510 INFO L432 ainManager$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 [2021-12-28 04:36:47,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6204ba30/993a1118fa964c1d8c2fd02a6267ef78/FLAG4788abe40 [2021-12-28 04:36:48,315 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:36:48,316 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 [2021-12-28 04:36:48,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6204ba30/993a1118fa964c1d8c2fd02a6267ef78/FLAG4788abe40 [2021-12-28 04:36:48,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6204ba30/993a1118fa964c1d8c2fd02a6267ef78 [2021-12-28 04:36:48,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:36:48,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:36:48,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:48,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:36:48,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:36:48,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:48" (1/1) ... [2021-12-28 04:36:48,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2c1b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:48, skipping insertion in model container [2021-12-28 04:36:48,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:48" (1/1) ... [2021-12-28 04:36:48,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:36:48,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:36:51,730 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] [2021-12-28 04:36:51,759 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:36:51,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:51,797 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:36:52,250 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] [2021-12-28 04:36:52,253 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-28 04:36:52,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:52,341 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:36:52,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52 WrapperNode [2021-12-28 04:36:52,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:52,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:52,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:36:52,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:36:52,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:52,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:52,953 INFO L137 Inliner]: procedures = 391, calls = 6617, calls flagged for inlining = 164, calls inlined = 159, statements flattened = 14620 [2021-12-28 04:36:52,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:52,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:36:52,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:36:52,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:36:52,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:52,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:53,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:53,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:53,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:53,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:53,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:53,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:36:53,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:36:53,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:36:53,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:36:53,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (1/1) ... [2021-12-28 04:36:53,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:53,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:36:53,488 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) [2021-12-28 04:36:53,536 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 [2021-12-28 04:36:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_control [2021-12-28 04:36:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_control [2021-12-28 04:36:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-28 04:36:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-28 04:36:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_free [2021-12-28 04:36:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_free [2021-12-28 04:36:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:36:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:36:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-28 04:36:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-28 04:36:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_external_startup [2021-12-28 04:36:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_external_startup [2021-12-28 04:36:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-28 04:36:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-28 04:36:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:36:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:36:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure set_ohci_hcfs [2021-12-28 04:36:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ohci_hcfs [2021-12-28 04:36:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:36:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:36:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-28 04:36:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-28 04:36:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_to_hcd [2021-12-28 04:36:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_to_hcd [2021-12-28 04:36:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_disable [2021-12-28 04:36:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_disable [2021-12-28 04:36:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-28 04:36:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-28 04:36:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure compute_tt_budget [2021-12-28 04:36:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_tt_budget [2021-12-28 04:36:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-28 04:36:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-28 04:36:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:36:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:36:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure tt_available [2021-12-28 04:36:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tt_available [2021-12-28 04:36:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-28 04:36:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-28 04:36:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-28 04:36:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-28 04:36:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_handed_over [2021-12-28 04:36:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_handed_over [2021-12-28 04:36:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-28 04:36:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-28 04:36:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_read_frame_index [2021-12-28 04:36:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_read_frame_index [2021-12-28 04:36:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_speed [2021-12-28 04:36:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_speed [2021-12-28 04:36:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:36:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-28 04:36:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-28 04:36:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-28 04:36:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-28 04:36:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:36:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:36:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:36:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:36:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-28 04:36:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-28 04:36:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:36:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-28 04:36:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-28 04:36:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-28 04:36:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-28 04:36:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_remove_device [2021-12-28 04:36:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_remove_device [2021-12-28 04:36:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:36:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:36:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-28 04:36:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-28 04:36:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:36:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:36:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_reset [2021-12-28 04:36:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_reset [2021-12-28 04:36:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_setup [2021-12-28 04:36:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_setup [2021-12-28 04:36:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-28 04:36:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-28 04:36:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-28 04:36:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-28 04:36:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:36:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:36:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:36:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-28 04:36:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-28 04:36:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_status_data [2021-12-28 04:36:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_status_data [2021-12-28 04:36:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-28 04:36:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-28 04:36:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-28 04:36:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-28 04:36:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 04:36:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 04:36:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:36:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:36:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-28 04:36:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-28 04:36:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_alloc [2021-12-28 04:36:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_alloc [2021-12-28 04:36:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:36:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:36:53,628 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_silence_controller [2021-12-28 04:36:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_silence_controller [2021-12-28 04:36:53,628 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer [2021-12-28 04:36:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer [2021-12-28 04:36:53,628 INFO L130 BoogieDeclarations]: Found specification of procedure submit_single_step_set_feature [2021-12-28 04:36:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_single_step_set_feature [2021-12-28 04:36:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_set_command_bit [2021-12-28 04:36:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_set_command_bit [2021-12-28 04:36:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2021-12-28 04:36:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2021-12-28 04:36:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:36:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:36:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:36:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-28 04:36:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2021-12-28 04:36:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2021-12-28 04:36:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 04:36:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 04:36:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:36:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:36:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:36:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_relinquish_port [2021-12-28 04:36:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_relinquish_port [2021-12-28 04:36:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer_complete [2021-12-28 04:36:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer_complete [2021-12-28 04:36:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_reset_prep [2021-12-28 04:36:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_reset_prep [2021-12-28 04:36:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-28 04:36:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-28 04:36:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-28 04:36:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-28 04:36:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:36:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:36:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:36:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-28 04:36:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-28 04:36:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-28 04:36:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-28 04:36:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:36:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:36:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2021-12-28 04:36:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2021-12-28 04:36:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:36:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:36:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-28 04:36:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-28 04:36:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:36:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:36:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 04:36:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 04:36:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-28 04:36:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-28 04:36:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:36:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:36:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-28 04:36:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-28 04:36:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:36:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:36:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_run [2021-12-28 04:36:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_run [2021-12-28 04:36:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 04:36:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 04:36:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:36:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:36:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-28 04:36:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-28 04:36:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2021-12-28 04:36:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2021-12-28 04:36:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_writel [2021-12-28 04:36:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_writel [2021-12-28 04:36:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:36:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:36:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_readl [2021-12-28 04:36:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_readl [2021-12-28 04:36:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:36:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:36:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-28 04:36:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-28 04:36:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2021-12-28 04:36:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2021-12-28 04:36:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_find [2021-12-28 04:36:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_find [2021-12-28 04:36:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-28 04:36:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-28 04:36:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-28 04:36:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-28 04:36:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:36:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:36:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_intr_bandwidth [2021-12-28 04:36:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_intr_bandwidth [2021-12-28 04:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_stop [2021-12-28 04:36:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_stop [2021-12-28 04:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:36:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_periodic [2021-12-28 04:36:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_periodic [2021-12-28 04:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_enqueue [2021-12-28 04:36:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_enqueue [2021-12-28 04:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_shutdown [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_shutdown [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-28 04:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_hnp [2021-12-28 04:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_hnp [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_iso_bandwidth [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_iso_bandwidth [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handover_companion_ports [2021-12-28 04:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handover_companion_ports [2021-12-28 04:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_power [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_power [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-28 04:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-28 04:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_dequeue [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_dequeue [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_unlink_wait_intr [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_unlink_wait_intr [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_controller_death [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_controller_death [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_enable_event [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_enable_event [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_get_frame [2021-12-28 04:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_get_frame [2021-12-28 04:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_schedule [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_schedule [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_resume [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_resume [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_port_buf [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_port_buf [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_end_port_resume [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_end_port_resume [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qh_alloc [2021-12-28 04:36:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qh_alloc [2021-12-28 04:36:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_irq [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_irq [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handshake [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handshake [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_command_bit [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_command_bit [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure bandwidth_dbg [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bandwidth_dbg [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_start_port_resume [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_start_port_resume [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_intr_unlinks [2021-12-28 04:36:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_intr_unlinks [2021-12-28 04:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-28 04:36:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-28 04:36:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:36:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:36:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:36:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:36:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-28 04:36:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-28 04:36:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_start_intr_unlinks [2021-12-28 04:36:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_start_intr_unlinks [2021-12-28 04:36:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2021-12-28 04:36:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2021-12-28 04:36:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:36:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:36:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_ASS [2021-12-28 04:36:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_ASS [2021-12-28 04:36:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:36:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:36:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-28 04:36:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-28 04:36:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_suspend [2021-12-28 04:36:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_suspend [2021-12-28 04:36:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-28 04:36:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-28 04:36:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-28 04:36:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-28 04:36:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:36:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:36:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-28 04:36:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-28 04:36:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2021-12-28 04:36:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2021-12-28 04:36:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_init [2021-12-28 04:36:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_init [2021-12-28 04:36:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-28 04:36:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-28 04:36:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_owner [2021-12-28 04:36:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_owner [2021-12-28 04:36:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-28 04:36:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-28 04:36:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-28 04:36:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-28 04:36:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:36:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:36:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-28 04:36:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-28 04:36:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ehci [2021-12-28 04:36:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ehci [2021-12-28 04:36:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure find_tt [2021-12-28 04:36:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure find_tt [2021-12-28 04:36:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:36:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:36:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:36:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_PSS [2021-12-28 04:36:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_PSS [2021-12-28 04:36:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-28 04:36:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-28 04:36:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-28 04:36:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-28 04:36:54,910 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:36:54,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:37:03,977 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:37:16,319 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:37:16,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:37:16,346 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:37:16,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:37:16 BoogieIcfgContainer [2021-12-28 04:37:16,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:37:16,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:37:16,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:37:16,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:37:16,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:36:48" (1/3) ... [2021-12-28 04:37:16,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797189c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:37:16, skipping insertion in model container [2021-12-28 04:37:16,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:52" (2/3) ... [2021-12-28 04:37:16,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797189c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:37:16, skipping insertion in model container [2021-12-28 04:37:16,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:37:16" (3/3) ... [2021-12-28 04:37:16,359 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2021-12-28 04:37:16,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:37:16,364 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:37:16,412 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:37:16,417 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 [2021-12-28 04:37:16,417 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:37:16,567 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) [2021-12-28 04:37:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-28 04:37:16,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:16,579 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] [2021-12-28 04:37:16,583 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:16,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1179416854, now seen corresponding path program 1 times [2021-12-28 04:37:16,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:16,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461510235] [2021-12-28 04:37:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:16,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:37:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:37:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:37:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:37:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:37:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:37:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:37:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:37:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:37:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:37:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:37:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:37:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-28 04:37:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-28 04:37:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 04:37:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-28 04:37:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-28 04:37:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-28 04:37:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-28 04:37:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-28 04:37:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-28 04:37:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-28 04:37:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-28 04:37:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-28 04:37:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-28 04:37:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-28 04:37:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-28 04:37:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-28 04:37:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-28 04:37:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-28 04:37:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-28 04:37:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-28 04:37:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-28 04:37:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-12-28 04:37:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2021-12-28 04:37:18,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:18,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461510235] [2021-12-28 04:37:18,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461510235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:18,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:18,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:37:18,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623721245] [2021-12-28 04:37:18,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:18,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:37:18,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:18,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:37:18,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:37:18,759 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) [2021-12-28 04:37:28,223 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 [] [2021-12-28 04:37:30,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:33,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:35,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:38,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:41,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:44,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []