./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--r8a66597-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-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 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:19:06,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:19:06,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:19:06,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:19:06,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:19:06,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:19:06,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:19:06,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:19:06,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:19:06,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:19:06,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:19:06,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:19:06,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:19:06,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:19:06,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:19:06,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:19:06,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:19:06,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:19:06,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:19:06,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:19:06,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:19:06,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:19:06,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:19:06,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:19:06,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:19:06,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:19:06,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:19:06,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:19:06,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:19:06,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:19:06,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:19:06,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:19:06,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:19:06,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:19:06,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:19:06,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:19:06,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:19:06,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:19:06,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:19:06,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:19:06,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:19:06,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:19:06,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:19:06,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:19:06,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:19:06,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:19:06,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:19:06,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:19:06,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:19:06,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:19:06,399 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:19:06,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:19:06,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:19:06,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:19:06,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:19:06,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:19:06,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:19:06,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:19:06,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:19:06,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:19:06,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:19:06,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:19:06,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:19:06,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:19:06,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:19:06,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:19:06,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:19:06,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:19:06,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:19:06,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:19:06,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:19:06,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:19:06,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:19:06,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 [2021-12-22 15:19:06,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:19:06,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:19:06,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:19:06,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:19:06,655 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:19:06,656 INFO L432 ainManager$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--r8a66597-hcd.ko-entry_point.cil.out.i [2021-12-22 15:19:06,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e01ad99c/0ce0976b10bf41a1b928c6dc2efd3357/FLAG4104496ce [2021-12-22 15:19:07,397 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:19:07,397 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--r8a66597-hcd.ko-entry_point.cil.out.i [2021-12-22 15:19:07,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e01ad99c/0ce0976b10bf41a1b928c6dc2efd3357/FLAG4104496ce [2021-12-22 15:19:07,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e01ad99c/0ce0976b10bf41a1b928c6dc2efd3357 [2021-12-22 15:19:07,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:19:07,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:19:07,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:19:07,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:19:07,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:19:07,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:19:07" (1/1) ... [2021-12-22 15:19:07,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6b1dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:07, skipping insertion in model container [2021-12-22 15:19:07,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:19:07" (1/1) ... [2021-12-22 15:19:07,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:19:07,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:19:09,508 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--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2021-12-22 15:19:09,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:19:09,554 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:19:09,866 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--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2021-12-22 15:19:09,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:19:09,955 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:19:09,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09 WrapperNode [2021-12-22 15:19:09,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:19:09,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:19:09,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:19:09,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:19:09,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,232 INFO L137 Inliner]: procedures = 302, calls = 1935, calls flagged for inlining = 138, calls inlined = 135, statements flattened = 5018 [2021-12-22 15:19:10,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:19:10,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:19:10,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:19:10,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:19:10,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:19:10,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:19:10,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:19:10,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:19:10,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (1/1) ... [2021-12-22 15:19:10,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:19:10,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:19:10,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:19:10,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:19:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2021-12-22 15:19:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2021-12-22 15:19:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2021-12-22 15:19:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2021-12-22 15:19:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2021-12-22 15:19:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2021-12-22 15:19:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:19:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:19:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2021-12-22 15:19:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2021-12-22 15:19:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:19:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:19:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:19:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:19:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:19:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:19:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2021-12-22 15:19:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2021-12-22 15:19:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2021-12-22 15:19:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2021-12-22 15:19:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2021-12-22 15:19:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2021-12-22 15:19:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2021-12-22 15:19:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2021-12-22 15:19:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2021-12-22 15:19:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2021-12-22 15:19:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:19:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:19:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2021-12-22 15:19:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2021-12-22 15:19:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:19:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:19:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-22 15:19:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-22 15:19:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2021-12-22 15:19:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2021-12-22 15:19:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:19:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:19:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-22 15:19:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-22 15:19:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2021-12-22 15:19:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2021-12-22 15:19:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2021-12-22 15:19:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2021-12-22 15:19:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2021-12-22 15:19:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2021-12-22 15:19:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:19:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:19:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-22 15:19:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-22 15:19:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2021-12-22 15:19:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2021-12-22 15:19:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2021-12-22 15:19:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2021-12-22 15:19:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-22 15:19:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-22 15:19:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2021-12-22 15:19:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2021-12-22 15:19:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:19:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:19:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2021-12-22 15:19:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2021-12-22 15:19:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2021-12-22 15:19:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2021-12-22 15:19:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2021-12-22 15:19:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2021-12-22 15:19:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-22 15:19:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-22 15:19:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2021-12-22 15:19:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2021-12-22 15:19:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-22 15:19:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-22 15:19:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2021-12-22 15:19:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2021-12-22 15:19:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2021-12-22 15:19:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2021-12-22 15:19:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2021-12-22 15:19:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2021-12-22 15:19:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-22 15:19:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-22 15:19:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:19:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:19:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:19:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2021-12-22 15:19:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2021-12-22 15:19:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:19:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2021-12-22 15:19:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2021-12-22 15:19:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2021-12-22 15:19:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2021-12-22 15:19:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2021-12-22 15:19:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2021-12-22 15:19:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:19:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:19:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:19:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:19:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:19:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:19:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2021-12-22 15:19:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2021-12-22 15:19:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-22 15:19:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-22 15:19:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:19:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-22 15:19:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-22 15:19:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:19:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:19:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:19:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2021-12-22 15:19:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2021-12-22 15:19:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2021-12-22 15:19:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2021-12-22 15:19:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2021-12-22 15:19:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2021-12-22 15:19:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:19:10,620 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:19:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:19:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:19:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2021-12-22 15:19:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2021-12-22 15:19:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2021-12-22 15:19:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2021-12-22 15:19:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2021-12-22 15:19:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2021-12-22 15:19:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2021-12-22 15:19:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2021-12-22 15:19:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:19:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:19:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2021-12-22 15:19:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2021-12-22 15:19:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-22 15:19:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-22 15:19:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2021-12-22 15:19:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2021-12-22 15:19:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-22 15:19:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-22 15:19:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:19:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2021-12-22 15:19:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2021-12-22 15:19:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 15:19:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 15:19:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:19:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:19:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:19:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-22 15:19:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-22 15:19:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2021-12-22 15:19:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2021-12-22 15:19:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:19:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:19:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2021-12-22 15:19:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2021-12-22 15:19:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:19:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2021-12-22 15:19:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2021-12-22 15:19:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2021-12-22 15:19:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2021-12-22 15:19:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2021-12-22 15:19:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2021-12-22 15:19:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2021-12-22 15:19:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2021-12-22 15:19:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2021-12-22 15:19:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2021-12-22 15:19:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2021-12-22 15:19:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2021-12-22 15:19:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-22 15:19:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-22 15:19:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2021-12-22 15:19:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2021-12-22 15:19:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2021-12-22 15:19:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2021-12-22 15:19:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2021-12-22 15:19:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2021-12-22 15:19:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2021-12-22 15:19:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2021-12-22 15:19:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:19:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:19:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2021-12-22 15:19:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2021-12-22 15:19:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:19:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:19:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2021-12-22 15:19:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2021-12-22 15:19:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:19:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2021-12-22 15:19:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2021-12-22 15:19:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2021-12-22 15:19:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2021-12-22 15:19:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:19:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:19:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2021-12-22 15:19:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2021-12-22 15:19:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:19:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:19:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2021-12-22 15:19:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2021-12-22 15:19:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-22 15:19:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-22 15:19:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:19:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2021-12-22 15:19:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2021-12-22 15:19:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:19:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:19:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:19:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:19:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:19:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:19:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-22 15:19:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-22 15:19:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2021-12-22 15:19:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2021-12-22 15:19:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2021-12-22 15:19:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2021-12-22 15:19:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:19:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:19:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2021-12-22 15:19:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2021-12-22 15:19:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2021-12-22 15:19:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2021-12-22 15:19:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-22 15:19:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-22 15:19:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2021-12-22 15:19:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2021-12-22 15:19:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2021-12-22 15:19:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2021-12-22 15:19:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:19:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:19:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2021-12-22 15:19:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2021-12-22 15:19:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:19:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:19:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:19:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:19:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2021-12-22 15:19:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2021-12-22 15:19:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:19:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2021-12-22 15:19:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2021-12-22 15:19:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2021-12-22 15:19:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2021-12-22 15:19:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:19:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:19:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2021-12-22 15:19:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2021-12-22 15:19:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:19:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:19:11,456 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:19:11,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:19:12,251 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:19:14,689 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:19:14,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:19:14,706 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:19:14,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:14 BoogieIcfgContainer [2021-12-22 15:19:14,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:19:14,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:19:14,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:19:14,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:19:14,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:19:07" (1/3) ... [2021-12-22 15:19:14,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511c5647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:14, skipping insertion in model container [2021-12-22 15:19:14,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:09" (2/3) ... [2021-12-22 15:19:14,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511c5647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:14, skipping insertion in model container [2021-12-22 15:19:14,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:14" (3/3) ... [2021-12-22 15:19:14,718 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2021-12-22 15:19:14,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:19:14,722 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:19:14,770 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:19:14,775 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:19:14,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:19:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 2221 states, 1486 states have (on average 1.3660834454912516) internal successors, (2030), 1573 states have internal predecessors, (2030), 619 states have call successors, (619), 115 states have call predecessors, (619), 114 states have return successors, (611), 589 states have call predecessors, (611), 611 states have call successors, (611) [2021-12-22 15:19:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-22 15:19:14,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:14,868 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:19:14,869 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:14,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:14,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1689100969, now seen corresponding path program 1 times [2021-12-22 15:19:14,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:14,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487360374] [2021-12-22 15:19:14,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:14,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:19:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 15:19:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:19:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 15:19:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:19:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 15:19:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:19:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 15:19:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:19:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-12-22 15:19:15,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:15,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487360374] [2021-12-22 15:19:15,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487360374] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:15,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:15,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:15,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137477426] [2021-12-22 15:19:15,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:15,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:15,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:15,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:15,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:15,756 INFO L87 Difference]: Start difference. First operand has 2221 states, 1486 states have (on average 1.3660834454912516) internal successors, (2030), 1573 states have internal predecessors, (2030), 619 states have call successors, (619), 115 states have call predecessors, (619), 114 states have return successors, (611), 589 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:19:23,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:23,025 INFO L93 Difference]: Finished difference Result 4990 states and 7568 transitions. [2021-12-22 15:19:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:19:23,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 159 [2021-12-22 15:19:23,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:23,071 INFO L225 Difference]: With dead ends: 4990 [2021-12-22 15:19:23,072 INFO L226 Difference]: Without dead ends: 2753 [2021-12-22 15:19:23,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:19:23,102 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 3378 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 3822 mSolverCounterSat, 3411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 6174 SdHoareTripleChecker+Invalid, 7233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3411 IncrementalHoareTripleChecker+Valid, 3822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:23,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3510 Valid, 6174 Invalid, 7233 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3411 Valid, 3822 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-22 15:19:23,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2021-12-22 15:19:23,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2200. [2021-12-22 15:19:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2200 states, 1475 states have (on average 1.3593220338983052) internal successors, (2005), 1552 states have internal predecessors, (2005), 611 states have call successors, (611), 114 states have call predecessors, (611), 113 states have return successors, (610), 588 states have call predecessors, (610), 610 states have call successors, (610) [2021-12-22 15:19:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3226 transitions. [2021-12-22 15:19:23,350 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3226 transitions. Word has length 159 [2021-12-22 15:19:23,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:23,351 INFO L470 AbstractCegarLoop]: Abstraction has 2200 states and 3226 transitions. [2021-12-22 15:19:23,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:19:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3226 transitions. [2021-12-22 15:19:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-22 15:19:23,364 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:23,364 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:19:23,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:19:23,365 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:23,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:23,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1294176512, now seen corresponding path program 1 times [2021-12-22 15:19:23,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:23,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637908739] [2021-12-22 15:19:23,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:23,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:19:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 15:19:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:19:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 15:19:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:19:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 15:19:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 15:19:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 15:19:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 15:19:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-12-22 15:19:23,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:23,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637908739] [2021-12-22 15:19:23,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637908739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:23,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:23,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:19:23,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807715359] [2021-12-22 15:19:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:23,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:19:23,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:23,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:19:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:19:23,755 INFO L87 Difference]: Start difference. First operand 2200 states and 3226 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:19:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:33,292 INFO L93 Difference]: Finished difference Result 6457 states and 9598 transitions. [2021-12-22 15:19:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 15:19:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 160 [2021-12-22 15:19:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:33,321 INFO L225 Difference]: With dead ends: 6457 [2021-12-22 15:19:33,321 INFO L226 Difference]: Without dead ends: 4286 [2021-12-22 15:19:33,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-22 15:19:33,334 INFO L933 BasicCegarLoop]: 2824 mSDtfsCounter, 6881 mSDsluCounter, 4692 mSDsCounter, 0 mSdLazyCounter, 5369 mSolverCounterSat, 6123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7101 SdHoareTripleChecker+Valid, 7516 SdHoareTripleChecker+Invalid, 11492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6123 IncrementalHoareTripleChecker+Valid, 5369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:33,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7101 Valid, 7516 Invalid, 11492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6123 Valid, 5369 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2021-12-22 15:19:33,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2021-12-22 15:19:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3503. [2021-12-22 15:19:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3503 states, 2339 states have (on average 1.3518597691321077) internal successors, (3162), 2465 states have internal predecessors, (3162), 963 states have call successors, (963), 201 states have call predecessors, (963), 200 states have return successors, (962), 920 states have call predecessors, (962), 962 states have call successors, (962) [2021-12-22 15:19:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 5087 transitions. [2021-12-22 15:19:33,560 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 5087 transitions. Word has length 160 [2021-12-22 15:19:33,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:33,561 INFO L470 AbstractCegarLoop]: Abstraction has 3503 states and 5087 transitions. [2021-12-22 15:19:33,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 15:19:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 5087 transitions. [2021-12-22 15:19:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-22 15:19:33,568 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:33,569 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:19:33,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:19:33,569 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:33,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:33,570 INFO L85 PathProgramCache]: Analyzing trace with hash 798228537, now seen corresponding path program 1 times [2021-12-22 15:19:33,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:33,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254602054] [2021-12-22 15:19:33,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:33,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:19:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 15:19:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:19:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 15:19:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:19:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 15:19:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 15:19:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 15:19:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:19:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 15:19:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:19:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:19:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-22 15:19:34,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:34,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254602054] [2021-12-22 15:19:34,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254602054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:34,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:34,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:19:34,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459925319] [2021-12-22 15:19:34,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:34,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:19:34,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:34,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:19:34,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:19:34,017 INFO L87 Difference]: Start difference. First operand 3503 states and 5087 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 15:19:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:40,291 INFO L93 Difference]: Finished difference Result 7774 states and 11468 transitions. [2021-12-22 15:19:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 15:19:40,291 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 202 [2021-12-22 15:19:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:40,318 INFO L225 Difference]: With dead ends: 7774 [2021-12-22 15:19:40,318 INFO L226 Difference]: Without dead ends: 4300 [2021-12-22 15:19:40,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:19:40,334 INFO L933 BasicCegarLoop]: 2660 mSDtfsCounter, 9402 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 7546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9661 SdHoareTripleChecker+Valid, 4504 SdHoareTripleChecker+Invalid, 9839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7546 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:40,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9661 Valid, 4504 Invalid, 9839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7546 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-22 15:19:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4300 states. [2021-12-22 15:19:40,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4300 to 3519. [2021-12-22 15:19:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 2351 states have (on average 1.3487877498936622) internal successors, (3171), 2475 states have internal predecessors, (3171), 963 states have call successors, (963), 205 states have call predecessors, (963), 204 states have return successors, (962), 922 states have call predecessors, (962), 962 states have call successors, (962) [2021-12-22 15:19:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5096 transitions. [2021-12-22 15:19:40,512 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5096 transitions. Word has length 202 [2021-12-22 15:19:40,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:40,514 INFO L470 AbstractCegarLoop]: Abstraction has 3519 states and 5096 transitions. [2021-12-22 15:19:40,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 15:19:40,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5096 transitions. [2021-12-22 15:19:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-22 15:19:40,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:40,523 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:19:40,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:19:40,523 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:40,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2072116083, now seen corresponding path program 1 times [2021-12-22 15:19:40,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:40,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483019626] [2021-12-22 15:19:40,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:40,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:19:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 15:19:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:19:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 15:19:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:19:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 15:19:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 15:19:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 15:19:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:19:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-22 15:19:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:19:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:19:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-22 15:19:40,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:40,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483019626] [2021-12-22 15:19:40,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483019626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:40,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:40,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:19:40,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438222262] [2021-12-22 15:19:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:40,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:19:40,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:19:40,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:19:40,939 INFO L87 Difference]: Start difference. First operand 3519 states and 5096 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 15:19:47,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:47,667 INFO L93 Difference]: Finished difference Result 7770 states and 11450 transitions. [2021-12-22 15:19:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 15:19:47,667 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 203 [2021-12-22 15:19:47,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:47,691 INFO L225 Difference]: With dead ends: 7770 [2021-12-22 15:19:47,692 INFO L226 Difference]: Without dead ends: 4298 [2021-12-22 15:19:47,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:19:47,708 INFO L933 BasicCegarLoop]: 2641 mSDtfsCounter, 6109 mSDsluCounter, 2595 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 4745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6373 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 7852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4745 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:47,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6373 Valid, 5236 Invalid, 7852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4745 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-22 15:19:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2021-12-22 15:19:47,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 3517. [2021-12-22 15:19:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3517 states, 2351 states have (on average 1.3479370480646533) internal successors, (3169), 2473 states have internal predecessors, (3169), 961 states have call successors, (961), 205 states have call predecessors, (961), 204 states have return successors, (960), 922 states have call predecessors, (960), 960 states have call successors, (960) [2021-12-22 15:19:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3517 states and 5090 transitions. [2021-12-22 15:19:47,919 INFO L78 Accepts]: Start accepts. Automaton has 3517 states and 5090 transitions. Word has length 203 [2021-12-22 15:19:47,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:47,920 INFO L470 AbstractCegarLoop]: Abstraction has 3517 states and 5090 transitions. [2021-12-22 15:19:47,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 15:19:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3517 states and 5090 transitions. [2021-12-22 15:19:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-22 15:19:47,928 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:47,928 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:19:47,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:19:47,929 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:47,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:47,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1478423429, now seen corresponding path program 1 times [2021-12-22 15:19:47,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:47,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822543998] [2021-12-22 15:19:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:47,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:19:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 15:19:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:19:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 15:19:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:19:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 15:19:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:19:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 15:19:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:19:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 15:19:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:19:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 15:19:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-22 15:19:48,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:48,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822543998] [2021-12-22 15:19:48,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822543998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:48,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:48,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:19:48,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432422620] [2021-12-22 15:19:48,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:48,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:19:48,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:48,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:19:48,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:19:48,284 INFO L87 Difference]: Start difference. First operand 3517 states and 5090 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 15:19:55,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:55,652 INFO L93 Difference]: Finished difference Result 7766 states and 11436 transitions. [2021-12-22 15:19:55,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 15:19:55,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 201 [2021-12-22 15:19:55,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:55,674 INFO L225 Difference]: With dead ends: 7766 [2021-12-22 15:19:55,675 INFO L226 Difference]: Without dead ends: 4296 [2021-12-22 15:19:55,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:19:55,689 INFO L933 BasicCegarLoop]: 2610 mSDtfsCounter, 10670 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 3899 mSolverCounterSat, 8150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10927 SdHoareTripleChecker+Valid, 6021 SdHoareTripleChecker+Invalid, 12049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8150 IncrementalHoareTripleChecker+Valid, 3899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:55,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10927 Valid, 6021 Invalid, 12049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8150 Valid, 3899 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-22 15:19:55,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4296 states. [2021-12-22 15:19:55,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4296 to 3515. [2021-12-22 15:19:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 2351 states have (on average 1.3470863462356444) internal successors, (3167), 2471 states have internal predecessors, (3167), 959 states have call successors, (959), 205 states have call predecessors, (959), 204 states have return successors, (958), 922 states have call predecessors, (958), 958 states have call successors, (958) [2021-12-22 15:19:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 5084 transitions. [2021-12-22 15:19:55,885 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 5084 transitions. Word has length 201 [2021-12-22 15:19:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:55,886 INFO L470 AbstractCegarLoop]: Abstraction has 3515 states and 5084 transitions. [2021-12-22 15:19:55,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 15:19:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 5084 transitions. [2021-12-22 15:19:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-22 15:19:55,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:55,892 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:19:55,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:19:55,892 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:55,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:55,893 INFO L85 PathProgramCache]: Analyzing trace with hash -185191999, now seen corresponding path program 1 times [2021-12-22 15:19:55,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:55,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330938351] [2021-12-22 15:19:55,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:55,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:19:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 15:19:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:19:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 15:19:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:19:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 15:19:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-22 15:19:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-22 15:19:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 15:19:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 15:19:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 15:19:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:19:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-22 15:19:56,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:56,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330938351] [2021-12-22 15:19:56,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330938351] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:56,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:56,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:19:56,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053463471] [2021-12-22 15:19:56,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:56,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:19:56,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:56,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:19:56,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:19:56,232 INFO L87 Difference]: Start difference. First operand 3515 states and 5084 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)